You, sir, are a true test engineer and an amazing human being for sharing this valuable information! Your content is greatly appreciated among the spearfishing community all around the world! Keep it up! =)
great video friend! you have resolved many cafeteria disputes among spearfishermen and opened the eyes of many others. it would be nice if you could test omer and mares pneumatic spearguns.comparison between them and between other sling guns.keep up the great work!
Thanks for the great vid! Very interesting that the conventional speargun shoots better, could the pool water affect it in some way? I am really interested about your custom grip, how do you make it?
First things first.. Thank you for super well executed tests. Very informative and interesting! I'm a freediver just getting into spearfishing and I'm looking to get a smaller gun for reef / shallow waters in the Med. where I spend a couple of months a year. Even though I'm after a smaller gun I still want it to be powerful and accurate and the Pathos 82 gun in this test seem to be exactly what I'm looking for! Since I'm a noob at the spearfishing thing I don't understand 100% of the lingo, and I hope you can help clear a few thing out for me! 1. The gun in the test, is that the Pathos Pro 82, or is it the Pathos Open 82? Can't really tell in the vid. 2. The "small ID bands", is that bands with small inner diameter? Or is "ID" something else? 3. Does the "@ 360%" mean a elongation / band stretch of 360%? 4. What bands (make) are used and how long are the bands cut to achieve that stretch? Sorry for all the questions but you seem to have all the answers, and I just hope you can spare a few minutes of you time to answer them. :) Thanks and All the best! / E
Thanks for the video! I put a MVD roller head in my Cressi Geronimo 90 with 50cm 16mm bands and a 130 cm 6mm tri-cut Cressi shaft. Do you reckon it's a good setup? If not, what would you recommend?
I been wondering sometime, how long my 14mm rubber would last after using it for a bout 1 month or 2 month for loading it at 360%? how long do you think rubbers like primeline would last for?
Hello majdq8 ... great videos and information about the performance of different spear guns .. I am looking at a omer cayman E.T. in 95 or 105 and at a seac guun 30 in 95 or 105 actual length to get is still TBD. but was wondering if you have done any testing on one of these and what where your impressions, on power and accuracy and ease of use. thanks a lot for any feedback. cheers
Hi, your videos are excellent, I've seen almost all of them. I just bought a pathos laser open pro 110 aluminum. the shaft 6.75 pathos did not make a good impression on me. the twin bands pathos 16 seem to me to be of poor quality. What setup do you recommend? Here we fish barracudas, groupers, amberjakts, tarpoon. My English is terrible. Greetings from Venezuela.
Hola Carlos, si pescas los peces gordos que mencionas mejor pasar a varillas de 7.5 mm impulsadas por dos gomas de 16mm. La varilla es mucho mas rigida (acapeta mas potencia en gomas) y sobretodo con el peso adicional la energia cinetica es mayor lo cual significa mas penetracion la cual necesitas para lo peces de mas masa :). En mi canal veras que cazo AJs con fusiles de 110 0 120 de largo, usado siempre varillas de 7.5mm con gomas de 16mm. Un abrazo desde los Emiratos Arabes > (Fijate en los otros videos de Majd - es un crack)
thanks for the perfect video!i have one omer cayman 2000 100cm alouminio simple barrell butt new allmoste with reel omer comple.Iwant ask your opinion if i can convert with pathos roller kit"!!worth to do it or not?i wont your set up instraction!!thanks!!
Mate I’m a noob to the sport and I bought a pathos laser roller carbon 100, I’m not gonna be able to do the in depth testing you do ! Should I do anything to my gun or leave as is stock ! Is the pathos roller head the best or is there better upgrade .
I use the Go Pro Hero series. I want to use the Hero 4, but battery life is a huge problem for hunting. With the Hero 3+ you can use an expanded battery with much longer battery life ... I think that might be a better solution.
your videos are great i ve learned many things thanx to you ! i have pathos open pro 100 aluminum gun...combines it with primeline 14mm small id (cut @3.6) on 140cm 6.75mm pathos shaft, everything is great but muzzle part of the gun sinks down which is annoying :( if i change shaft shorter as 130cm 6,75mm or 7mm could it help? i dont wanna loose accuracy or shooting distance...thanks
Yes the aluminium barrel is quite heavy. I think you would see a huge improvement if you changed to a Carbon Fiber barrel. Otherwise you can get the "floater" sleeve which can be added to the aluminium barrel and that will give you some extra flotation.
Thank you for the research. In minute 22:05 the main problem of the drop is that the bands are stretched to third position. Try this experimental groups: 1º: stretch at first position, not third 2º: stretch to second position Compare 3º: Use shorter shaft with the best stretch position found before 4º: Use default faceted pathos shaft with cone and without cone
Thanks a lot, man! You did a hell of a job! I would be glad to do some tests (and hopefully will) with a shorter shaft... We know we need AT LEAST 7 mm shaft to be able to TAKE (not just wound) a big fish. Roller recoil is 2 times less at all other things equal because acceleration time is 2 times longer (with a pre-strech)... This allows heavier band load and, if properly done, longer killing distance... BUT this is all theory, it needs proper verification. Thanks again.
Yes, I was quite surprised how poorly roller setup worked. I think the problem is controlling wishbone pushing the tail of the shaft up and de-stabilizing the shaft. There needs to be a solution for that so that the theoretical advantage of a roller setup can work.
@@majdq8 Thanks very much for all these reliable tests. I was really disappointed to discover I had made the wrong choice with a 110 sniper roller...I've only tested it once and missed super easy Spanish mackerels and several other fish. I'm afraid my speargun is not accurate at all. So, how would you recommend to setup the gun? I have the original 16mm pathos tnt bands. When I came back home after my spearfishing session, I removed the circular band as I thought maybe the gun did bear too much pressure.... would you recommend to go for a classical 2 X 14mm bands?
have you tried the test shot with a booster band on the pathos roller? They sell the stock laser roller gun with the 14mm booster band, and the 16mm roller band.
+Don Solomon Yes I have tried the booster band and found it caused more band tangles so I gave up on it. For me the problem was not power ... it was more of a problem of shooting low when power was added. This is a problem that I am surprised not more people talk about with rollers ... the design of the roller has no way to avoid pulling the tail of shaft down as the band contracts below ... this happens as soon as you start increasing power with pre-tension. A roller without pre-tension is just not worth it as there is very little power. Low shooting gun is ok if it is consistent ... but here the problem is that the shaft is diving and trajectory is very bad making accurate shooting as you change distance impossible.
Hi Majd. Just one quick question if u can. Set up my 90pathos pro(dangelo 1) with a 7mm 120cm sigalsub shaft and x2 14mm bands. Do u think installing the pathos floater will help with recoil? Thanks a lot
perfect!! the C4 shoot like a dream thx alot man!! I just bought the pathos 82 :) do you think 120 long shaft @7 mm with 2 x 14.5 sigal would be a good setup? also changed the stainless steels prices on the muzzle of the urukay and replaced them with carbon, will send u some ohptos if I can :)
Yes the C4 Urukay is really nice once you change a few things. As for the Pathos 82 the best setup is with thin 13.6 to 14.1mm small ID bands form Primeline. The Sigalsub 14.5mm will not do as good unless you move to much heavier shafts. The perfect shaft for the 82 is a Sporasub America One shaft @ 6.75mm and 125cm length. Of course other shaft will also work really well.
wow you are right, the perfect size shaft is 6.75!! it shoots perfect!! I am really amazed how could this small gun shoot like this :D thx! Also ,, My friend want to get the 90 pathos Saragos, and I was thinking of adding 7.5 Sigal at 135 long with 2 x 14.5 Sigal small ID at 360% :D what do you think?
Your shooting to the right is constant, I think it is how your finger is placed on the trigger. THe trigger should be on the cushion half way through the first segment of your finger. If it's on the tip - you'll shoot left, if it is on the "bend" of the first segemnt as I suspect in your case, you will pull to the right.Exactly the same factor with pistols and revolvers.
Speargun is totally different dynamics than with a firearm. With a pistol, once you shoot the bullet is out of the barrel before the recoil can affect the shot. With a speargun, recoil happens as the shaft is leaving the track. So you put a lot of effort into controlling recoil by handle modification to allow the track to be as stable as possible as the shaft is leaving the track. Also with a speargun, even a tiny bit of offset in the flopper, or even how the line goes over and back behind the shaft ... can affect trajectory a little bit. So a bit of right or left of center is totally acceptable and is not due to my finger placement.
What do you think of the floater? Do you think on a classic pathos carbon gun it will somehow reduce recoil and be more accurate? Keep up the good videos! Cheers!
+Lorenz No I don't think the floater helps in any way. Just keep your classic gun as is. To reduce recoil try shaping the handle to fit your hand exactly ... I will try and put a video of how to do that ... it does make a huge difference with guns at 120 or longer.
+Lorenz I use 151 silicone sealant inside the hole and around the wishbone plug and push the plug in. If using spectra wishbone loop I dip the end in plasti dip a day before and let it dry. The silicone is a lubricant and when it dries beomes a seal. I also put some of that silicone around where I will tie my constrictor knot and use kevlar line (200 or 250lb) to tie a double constrictor knot. Kevlar will never slip and the silicone prevents line burn on the rubber and seals and protects it ... and when it dries it holds the knot firm. Never ever had a knot or wishbone slip ... while I have many wishbone slips from knots done by gun manufacturers.
wow! I had not seen this video ! I do not know how but the video had escaped me .... as always , really clear and interesting (indeed astounding ) . Thanks ! One thing I noticed , correct me if I'm wrong .... In the final part with 2 small id 14 and arrow from 125x7 handle " Angel 1 " were not modified with epoxy and fired anyway very well ..... Then, with arrow 130x6 , 5 , you have changed the handle ( as for pathos 130 ) .... It was necessary for the 82 ? From the videos it seems to me that as long as you are using shaft to 7 mm, the "simple ergonomic grip"(like angelo 1) can be sufficient...
I initially had accuracy problems and thus I decided to put a setup which I know is dead accurate ... my custom handle and the Sporasub shaft. Later on I discovered the accuracy problem was due to the Pathos shaft. The handle used does not matter and both are equally accurate. The handle customization is not necessary on the 82 gun as recoil is minimal. Both the D'Angelo 1 and D'Angelo II with sear change and custom grip shot equally accurate.
incredible. 7 years have already passed 😳. It's a shame you stopped posting videos. after having revealed the potential of 14 mm bands, now it would be nice to verify the potential of compact weapons. this winter I would like to make an "abellan 75" to use with a 7.5 shaft, and a "110" with an 8*135 shaft and three 14 elastic bands. In the Mediterranean, even for tuna, having shorter and more manageable weapons is a great advantage. for this reason many have switched to vacuum oleo-pneumatics.
Thank you sir for all your videos. I have a question how do you adjust for windage in a roller gun. My MVD in stock set up is shooting low and to the right. Low probably six inches at 4 meters and six inches right. I have not been able to figure out how to adjust point of aim. Tried new spears with no change. Have shortened the bands, have lightened the bands, no drastic change. It has the stock mvd rubbers and it is a very difficult gun to load. Is it just a matter of putting thicker 16mm rubbers on and making it longer than stock bands.
I found that rollers if pushed too hard, will flip the back of the shaft up when it exits the track ... this causes very low shots. My suggestion is to reduce the loading of the gun. Of course you will lose power, but at least the shot will be straight. In the video here you can see that happening exactly. You can compensate a little for the lost power by using thicker bands. The idea is to let the wishbone release the shaft before reaching the roller so that the rotation of the roller doesn't flip the tail of shaft. You really have to spend a lot more time tuning a roller , but it can be done and if done correctly results are very good (as in the video).
@@majdq8 thank you so much for the quick response. That is what I viewed in your video and I ordered 16mm small id over the 14 and went with a less punchy band. I went with prime line. I also saw on a roller gun builders video that you make a double wishbone a super short and a long. You hook the spear to the long wishbone and when the short wishbone catches the roller ramp it prevents exactly what you said it throwing the spear up and down. Sad these companies aren't doing this from the beginning. Thank you so much again for all your videos. I have one more question for you. Do you think enclosed track rollerguns such as the pathos sniper and mako spearguns prevent this problem with an enclosed track? Have you seen a disadvantage to enclosed track guns? To me they sound like the perfect thing but you would know better than anyone. Thanks mate and cheers.
@@TridentCustomBaits I don't beleive that is the answer as that is like cutting your head off to stop a headache. Enclosed Track will kill off your velocity ... sometimes as much as 50% !!! much better is to make your design correct from the beginning. I used to only use ET guns, but after testing I don't use them anymore. The performance hit is just unacceptable for me and they have zero advantage accuracy wise. They might help a badly designed speargun but today there is no excuse to making a poorly designed speargun.
@@majdq8 roger that! Thank you! That is why I asked! You have probably handled every gun out there. Stay away from et guns, noted completely. Thanks again!
hi again. I just bought an pathos sniper r size 115. I have trouble to charge. I think the bands are short. it has two bands. short and large. both 16 mm. one has 70 cm. and other has 1.45 cm without wishbone only rubber. do you know is that right, ? there are something wrong ? hope you can help me. you know the right size ? thank you
I am not familiar with that gun ... but let's say the 115 has 120cm band stretch and you want 340% strech ... thus you would take 120 x 2= 240 and then divide by 3.4 ... which gives you around 70.5 cm. So the 70cm band might be OK, but the 1.45cm band is way off and actually enough for 2 bands.
Hiya, keep going with these reviews. So interesting. You are the only one does this, so well. Just out of interest what's the best setup for a 85 sling pathos sniper, not roller?
Best setup for that is 2 x 14mm small ID bands cut at 360% and a 7mm @ 125cm shaft! However if you want to keep your Sniper track enclosed then better use a 6.75mm shaft as it has less friction as shaft goes out. You can see this setup in action here th-cam.com/video/Gtw31On8MDk/w-d-xo.html
@@majdq8 wow! You are so knowledgeable. Many hours of work. Thanks for that😊👍. When is the next video? Salvimar metal sapiens carbon? Signalsub nemesis pro carbon would be very interesting.
More important of all is correct setup for either roller or classic. Roller shoots great if properly setup, but to shoot great you have to sacrifice some power. Classic can be pushed to higher performance and still be super accurate. Personally I prefer the classic setup as it has more power and less things to go wrong ... plus much quicker to load. You can see both these setups in actual spearfishing conditions here th-cam.com/video/Gtw31On8MDk/w-d-xo.html
@@majdq8 thank you. I just recently set up my gun to 360% 14mm small ID bands i have seen in some of your vids and I am amazed how much better it seems to perform so far.
why you prefer the 6.75 ?? I been watching your videos and always say something about the mass and penetration with 7 mm shafts. thank you. hope your answer. I got the small ID bands 14 mm. Now I need to buy the exactly shaft.
The Pathos 82cm does not have too much band stretch, so I don't think that it can push a 7mm shaft to terminal velocity ... but @ 6.75mm I think it can get very close. Doesn't mean that 7mm won't do really well, just that a 6.75mm shaft might be a better fit.
I don't think it is possible to load the Sigalsub 14.5 to 3.6 !!! They are very stiff bands. Maybe 3.3 ... but for 7mm shaft no need for 14.5mm bands ... better results is with 14mm small ID bands. Also much easier to load!
Best is same like video. 2 x 14mm small ID bands with a 7mm @120cm shaft. You can see this combination in spearfishing conditions here th-cam.com/video/Gtw31On8MDk/w-d-xo.html
hi. !! about my hammer head 110. I know about the bands small I D. 14 mm. Now I wanna know about the shaft. which is better for that gun. 7 mm. or. 6.7. thank you.
Yes I think so, but to get the same performance you see here, the handle of the gun has to be very high up to minimize muzzle rise and also the trigger should be a reverse trigger to maximize band stretch.
I have a 90 cm pathos open laser pro gun and I was thinking of having the roller kit installed...but with th video I saw that I just have to change he 17,5 rubber with two 14 mm..
Yes absolutely. With a 90cm gun you have 8cm more band stretch than the gun in this video, so results would be even better. Just make sure that your 14mm are not regular inside diameter but rather 14mm small ID.
thanks a lot. and where can I get that específic band? the problem is I live in Mexico . you can give me some address to ask for it. thank you a lot. your videos help so much
The bands used were Primeline small ID. The bands are actually made in Mexico and then exported to the US. Many people think Primeline bands are US bands but they are not. My last batch of Primeline bands were actually sent to me from Mexico even though I ordered them from Primeline US.
The standard setup of pathos 82 is with 19mm band and 6,5 shaft, the 20mm and 6,75 is overkill for such a small gun. WIth 17,5 bands and 6,25 shaft it would work even better. I have a pathos 90 with 2 14mm bands and 6,5 shaft and its shots are very accurate.
+Awaker The bands I got measured at 19.41mm so I assumed it was 20mm. As for the shaft, the default shaft came with notches and in the shop I asked to change it to shark finned shaft ... so it is possible that the original shaft was 6.5mm rather than 6.75mm ... but very little change (maybe 150 grams) ... moving from a 120cm to 130cm shaft @ 6.5mm would be more difference in shaft mass. The setup tested @ 7mm was amazing and very powerful accurate ... I never dreamed a gun so small could be setup with so much power. The 7mm setup is more powerful than many older 120cm guns with 150cm and 160cm @ 7mm shafts with 2 x 16mm bands!. I have tried many default factory setups @ 120cm that cannot pass 10cm penetration test @ 5 meters. The key here is the correct choice of bands! The 130cm @ 6.5mm Sporasub shaft shot extremely well ... and am sure @ 120cm it will also do really well in both 6.5mm and 6.75mm. For the 7mm shaft ... even though it did extremely well, I have a feeling that bands around 14mm to 14.2mm would do even better.
Yes, with 2 x 14mm bands the power is incredible and still keeps pin point accuracy. You can see both setups used in actual spearfishing conditions here th-cam.com/video/Gtw31On8MDk/w-d-xo.html
@@majdq8 Thanks! Then that will bey setup for next season. I'm really happy with my pathos 82 but a little extra performance can't hurt :) Also im thinking about maybe adding a reel but I'm not too sure if I want that extra complication or not
My experience tells me that its always better 2x 14mm rubbers for any shaft up to 8mm. better precision and overall performance. 16mm and over rubbers add too much power to the soft shafts and it makes them "wave" as they pierce the water. They wont fly straight. its also lighter on the trigger. My go to rubbers are always 14.5mm primeline for shafts up to 7mm, on guns up to 115.
Depends on what fish you want to target. I mostly hunt for medium fish 800g - 2.5kg so i use a 6.75 and a 7mm shaft. 8mm and larger is for big fish. Visibility in the Mediterranean is about 15-20 meters so i have 75 gun for reef and 115 for blue. Tried rubbers from 14 to 16mm and the 14 worked best for me for long and fast shots, on both guns. Both of my guns came with 16mm rubbers and i really noticed the difference when i changed. I have a Cressi Cherokee open 75 and Pathos Roller 115 (and a Seac Sting 45 which i only used in the first month of diving lol...)
+Ayman Abdin I just put the tip on a bench grinder while rotating slowly at an angle. Then polished with sandpaper. I also removed the flopper and increased the pin hole size a bit and put a hardened steel Devotosub pin and flopper. Also roughened the area in front of flopper and epoxied a cone in front.
Yes they are 17-4PH hardened stainless steel. Also the flopper and pin are hardened SS. They do need some work with a dremel tool to remove burrs and sharp edges, but they are priced very good for what you get. Can also ask for a cone ... which helps accuracy and penetration. I highly recommend them.
I really don't know. I think that there is a certain line where you need a certain amount of rubber to move a spear shaft. If you go over this power then the additional rubber hurts performance as it is just extra volume and weight. The heavier bands performed poorly with light shafts, but with heavier shafts the thicker diameter rubber gave better performance. I think for 7mm shafts and less diameter, best is 13.8 to 14mm bands and for heavier shafts the 14.5 to 15mm are better.
@@majdq8 I have a 115 sniper r I've trying to figure out for about 9 months. Best setup seems to be 16mm small id with med pre-stretch, no booster band and a 7mm hunt shaft. Accuracy was similar to your results when compared to the stock pathos shaft. I don't have access to a pool so i guess i have to do a pen test on some fish. Thank you for the videos and valuable insight. Also how would you rig a riffe euro 90?
@@808iy 1st time trying my new sniper roller 110 last weekend and missed every fish, couldn't believe it. When I came back home, I removed the circular band as it tends to get tangled all the time and thought maybe too much power is not good for this gun. Will try without the booster/circular band next time to see if it makes a difference. Are you still using this set you mentioned?
@@moonwalkingbeluga6459sorry for the late response but I abandoned this setup a while ago. I kept missing point blank shots. I swapped the muzzle to the traditional setup and it felt more accurate. I had to upgrade the trigger to handle the extra load.
I did get the Sinper ET 125cm and will test it soon . It is not the roller version but the normal version. I am convinced that roller does not improve performance due to testing almost 20 different single and double roller setups. The only roller setups that I think have a chance of reaching the performance of a well tuned classic setup are invert rollers.
Terminal Velocity is a term I use when I can no longer gain velocity from a given setup. So even adding band power will not change the velocity. Thus it makes no sense to push a gun too high above TV because all you get is more recoil for no gain. The ideal setup is about 20% above TV ... this way if you load your bands and they lose some power with time, you still have the same performance and same shaft flight.
Thanks for your reply majdq8!!! The only explanation I can give for ''TV'' is the absolute latex contraction speed of the bands without load.I think that the easiest way to increase speed of the shaft is the pulleys, but then you need a very good amount of force...... (See '12 bandB Daniel double invert roller')
Awesome work majdq8! I really appreciate your videos and good informations! On this configuration(2 x 14mm bands @ 360%) did you aready included the extra 20% above TV ? So, for this setup "Terminal Velocity" would be at @ 300% , Is that correct? I'm aiming to test that on a Picasso Magnum Carbon Rail 95... Cheers!
+memas1989 The Pathos D'Angelo 1 plastic trigger has no problems ... the only problem is with the D'Angelo II stainless steel trigger where it will suffer "galling" as the trigger sear and shaft sear scratch each other. ... this make trigger pull almost impossible after some shots. I think some issues have been addressed with the latest SS trigger but haven't really tested to see if this has been fixed. For powerful loads using the D'Angelo II SS trigger I recommend you change out the sears with Ermes kit.
Hello. I have a question wich band do you use ? i dont find this bands. When i was search in google i find this band. www.amazon.com/Speargun-Primeline-Rubber-Tubing-Select/dp/B00PPNM474?th=1&psc=1 if you are use this band ı order to this band thanks for reply
Line release can be a huge problem if it snags. You will get shots off center and lose a lot of velocity. To check if your line release is not snagging ... set one band on rest tab and take a practice shot. The line should unravel without any problems. Usually a snag will be easily observable with a low power load.
@@allanjr808 You can reduce the problem by using thicker mono line. Also you can shorten the pin so that it will not snag ... but that can be risky as if you over do it you will have a non functional line release. Problem is that many people are using dyneema shooting line and that tends to snag much more.
@@majdq8 okay, I'll try a bigger line. I've been using black mono but havent had problems before. When the mono snags, it always happens the same way: after I take my shot, the spear exits the gun then stops before the first wrap. The wishbone on the roller band catches the mono. Makes me sick when I get opportunities to bring home some fish but to fail because of gun failures.
I think it will perform similar to what is in this test. There is a fundamental problem in that the more you pre-tension the bands the more the wishbones will pull the back of the shaft up and make the shot go low. This needs to be addressed before I become interested in testing this again. But as you can see from the test, a roller is not going to improve on the classic setup with 2 bands. That is quicker and easier to load with less complications ... and more powerful! I just don't see the need for the roller as it hurts performance rather than helps.
I haven't shot a Hammerhead speargun is many years, but I think it would be the same. It has more to do with band stretch rather than gun make. Both shafts would work great and whatever difference there is it would be minimal.
You, sir, are a true test engineer and an amazing human being for sharing this valuable information! Your content is greatly appreciated among the spearfishing community all around the world! Keep it up! =)
YOur tests are always revealing and well made. I also love to consider all your efforts made in these yearsa as really referencing. Thanks a million.
thank your. I really appreciate your time to answer
great video friend! you have resolved many cafeteria disputes among spearfishermen and opened the eyes of many others. it would be nice if you could test omer and mares pneumatic spearguns.comparison between them and between other sling guns.keep up the great work!
Thanks for the great vid! Very interesting that the conventional speargun shoots better, could the pool water affect it in some way? I am really interested about your custom grip, how do you make it?
First things first.. Thank you for super well executed tests. Very informative and interesting!
I'm a freediver just getting into spearfishing and I'm looking to get a smaller gun for reef / shallow waters in the Med. where I spend a couple of months a year. Even though I'm after a smaller gun I still want it to be powerful and accurate and the Pathos 82 gun in this test seem to be exactly what I'm looking for!
Since I'm a noob at the spearfishing thing I don't understand 100% of the lingo, and I hope you can help clear a few thing out for me!
1. The gun in the test, is that the Pathos Pro 82, or is it the Pathos Open 82? Can't really tell in the vid.
2. The "small ID bands", is that bands with small inner diameter? Or is "ID" something else?
3. Does the "@ 360%" mean a elongation / band stretch of 360%?
4. What bands (make) are used and how long are the bands cut to achieve that stretch?
Sorry for all the questions but you seem to have all the answers, and I just hope you can spare a few minutes of you time to answer them. :)
Thanks and All the best! / E
Hey mate. Love the work, ive got a 110 laser carbon roller, what rubber would you recommend with a RA 7.5mm shaft.
Very interesting test!
Thanks for the video! I put a MVD roller head in my Cressi Geronimo 90 with 50cm 16mm bands and a 130 cm 6mm tri-cut Cressi shaft. Do you reckon it's a good setup? If not, what would you recommend?
I been wondering sometime, how long my 14mm rubber would last after using it for a bout 1 month or 2 month for loading it at 360%? how long do you think rubbers like primeline would last for?
Súper fan of your videos and hard data, thank you !, Did you evert test the invert roller? I’m very interested in inverts
thank you. I really appreciated your help
Nice video! How did you make the cone on the shaft?
hi! how did u setup the lower part of the roller phatos, the pre-tensioner? with glue ? or u use other thing??
Hello majdq8 ...
great videos and information about the performance of different spear guns .. I am looking at a omer cayman E.T. in 95 or 105 and at a seac guun 30 in 95 or 105 actual length to get is still TBD. but was wondering if you have done any testing on one of these and what where your impressions, on power and accuracy and ease of use. thanks a lot for any feedback. cheers
Hi, your videos are excellent, I've seen almost all of them.
I just bought a pathos laser open pro 110 aluminum.
the shaft 6.75 pathos did not make a good impression on me.
the twin bands pathos 16 seem to me to be of poor quality.
What setup do you recommend? Here we fish barracudas, groupers, amberjakts, tarpoon.
My English is terrible.
Greetings from Venezuela.
Hola Carlos, si pescas los peces gordos que mencionas mejor pasar a varillas de 7.5 mm impulsadas por dos gomas de 16mm. La varilla es mucho mas rigida (acapeta mas potencia en gomas) y sobretodo con el peso adicional la energia cinetica es mayor lo cual significa mas penetracion la cual necesitas para lo peces de mas masa :). En mi canal veras que cazo AJs con fusiles de 110 0 120 de largo, usado siempre varillas de 7.5mm con gomas de 16mm. Un abrazo desde los Emiratos Arabes > (Fijate en los otros videos de Majd - es un crack)
Please make a video testing the Pathos Sniper roller 95 speargun. Great job generally, thanks!
Hello! Thank you for your video!very interesting
thanks for the perfect video!i have one omer cayman 2000 100cm alouminio simple barrell butt new allmoste with reel omer comple.Iwant ask your opinion if i can convert with pathos roller kit"!!worth to do it or not?i wont your set up instraction!!thanks!!
how can i get the small id bands?is there any online store that sells them? thank you for your tims
Mate I’m a noob to the sport and I bought a pathos laser roller carbon 100, I’m not gonna be able to do the in depth testing you do ! Should I do anything to my gun or leave as is stock ! Is the pathos roller head the best or is there better upgrade .
OK. I understand. but. talking about hammer head spear gun 110. 150cm shaft. you prefer 6.75. ?? or 7mm. thanks and sorry about to many questions
Very good tests man thanks your efforts. Which camera do you use ? I like picture quality.
I use the Go Pro Hero series. I want to use the Hero 4, but battery life is a huge problem for hunting. With the Hero 3+ you can use an expanded battery with much longer battery life ... I think that might be a better solution.
At 6.00 what brand are the blue rubbers? Also nice test!
your videos are great i ve learned many things thanx to you ! i have pathos open pro 100 aluminum gun...combines it with primeline 14mm small id (cut @3.6) on 140cm 6.75mm pathos shaft, everything is great but muzzle part of the gun sinks down which is annoying :( if i change shaft shorter as 130cm 6,75mm or 7mm could it help? i dont wanna loose accuracy or shooting distance...thanks
Yes the aluminium barrel is quite heavy. I think you would see a huge improvement if you changed to a Carbon Fiber barrel. Otherwise you can get the "floater" sleeve which can be added to the aluminium barrel and that will give you some extra flotation.
Thank you for the research. In minute 22:05 the main problem of the drop is that the bands are stretched to third position. Try this experimental groups:
1º: stretch at first position, not third
2º: stretch to second position
Compare
3º: Use shorter shaft with the best stretch position found before
4º: Use default faceted pathos shaft with cone and without cone
Hello!!!I have pathos sniper 95 circular...What is the best setup for this gun....The first setup with 2×16 aand 6,75(1,30) had much recoil....Thanks
Thanks a lot, man! You did a hell of a job! I would be glad to do some tests (and hopefully will) with a shorter shaft... We know we need AT LEAST 7 mm shaft to be able to TAKE (not just wound) a big fish. Roller recoil is 2 times less at all other things equal because acceleration time is 2 times longer (with a pre-strech)... This allows heavier band load and, if properly done, longer killing distance... BUT this is all theory, it needs proper verification. Thanks again.
Yes, I was quite surprised how poorly roller setup worked. I think the problem is controlling wishbone pushing the tail of the shaft up and de-stabilizing the shaft. There needs to be a solution for that so that the theoretical advantage of a roller setup can work.
@@majdq8 Thanks very much for all these reliable tests. I was really disappointed to discover I had made the wrong choice with a 110 sniper roller...I've only tested it once and missed super easy Spanish mackerels and several other fish. I'm afraid my speargun is not accurate at all. So, how would you recommend to setup the gun? I have the original 16mm pathos tnt bands. When I came back home after my spearfishing session, I removed the circular band as I thought maybe the gun did bear too much pressure.... would you recommend to go for a classical 2 X 14mm bands?
have you tried the test shot with a booster band on the pathos roller?
They sell the stock laser roller gun with the 14mm booster band, and the 16mm roller band.
+Don Solomon Yes I have tried the booster band and found it caused more band tangles so I gave up on it. For me the problem was not power ... it was more of a problem of shooting low when power was added. This is a problem that I am surprised not more people talk about with rollers ... the design of the roller has no way to avoid pulling the tail of shaft down as the band contracts below ... this happens as soon as you start increasing power with pre-tension. A roller without pre-tension is just not worth it as there is very little power. Low shooting gun is ok if it is consistent ... but here the problem is that the shaft is diving and trajectory is very bad making accurate shooting as you change distance impossible.
Hello! Thank you for your videos! please tell me, do you recall about the pathos sniper? 105 long
I don't have that gun so I am not sure how it would do. I do have the 125 Sniper and will be testing it soon.
majdq8 thank you! I'm waiting for this test.
Nice videos!Its a good set up 2x14 with 6.50 at pathos 90 pro?
Oh yes ... absolutely!
Hi Majd. Just one quick question if u can. Set up my 90pathos pro(dangelo 1) with a 7mm 120cm sigalsub shaft and x2 14mm bands. Do u think installing the pathos floater will help with recoil? Thanks a lot
If you have a carbon barrel you don't need the floater. If you have an aluminium barrel the floater helps.
Can you give me an advice. I want to change my sniper to roller but i first have to change the floater. Do you have any idea how to do it
perfect!! the C4 shoot like a dream thx alot man!! I just bought the pathos 82 :) do you think 120 long shaft @7 mm with 2 x 14.5 sigal would be a good setup? also changed the stainless steels prices on the muzzle of the urukay and replaced them with carbon, will send u some ohptos if I can :)
Yes the C4 Urukay is really nice once you change a few things. As for the Pathos 82 the best setup is with thin 13.6 to 14.1mm small ID bands form Primeline. The Sigalsub 14.5mm will not do as good unless you move to much heavier shafts. The perfect shaft for the 82 is a Sporasub America One shaft @ 6.75mm and 125cm length. Of course other shaft will also work really well.
wow you are right, the perfect size shaft is 6.75!! it shoots perfect!! I am really amazed how could this small gun shoot like this :D thx! Also ,, My friend want to get the 90 pathos Saragos, and I was thinking of adding 7.5 Sigal at 135 long with 2 x 14.5 Sigal small ID at 360% :D what do you think?
Your shooting to the right is constant, I think it is how your finger is placed on the trigger. THe trigger should be on the cushion half way through the first segment of your finger. If it's on the tip - you'll shoot left, if it is on the "bend" of the first segemnt as I suspect in your case, you will pull to the right.Exactly the same factor with pistols and revolvers.
Speargun is totally different dynamics than with a firearm. With a pistol, once you shoot the bullet is out of the barrel before the recoil can affect the shot. With a speargun, recoil happens as the shaft is leaving the track. So you put a lot of effort into controlling recoil by handle modification to allow the track to be as stable as possible as the shaft is leaving the track. Also with a speargun, even a tiny bit of offset in the flopper, or even how the line goes over and back behind the shaft ... can affect trajectory a little bit. So a bit of right or left of center is totally acceptable and is not due to my finger placement.
very good !! bravoo !!!
What do you think of the floater? Do you think on a classic pathos carbon gun it will somehow reduce recoil and be more accurate?
Keep up the good videos!
Cheers!
+Lorenz No I don't think the floater helps in any way. Just keep your classic gun as is. To reduce recoil try shaping the handle to fit your hand exactly ... I will try and put a video of how to do that ... it does make a huge difference with guns at 120 or longer.
+majdq8 that would be good! Also, how do you minimize the water intrusion in the bands? It would be nice to know all those little details to. Thanks!
+Lorenz I use 151 silicone sealant inside the hole and around the wishbone plug and push the plug in. If using spectra wishbone loop I dip the end in plasti dip a day before and let it dry. The silicone is a lubricant and when it dries beomes a seal. I also put some of that silicone around where I will tie my constrictor knot and use kevlar line (200 or 250lb) to tie a double constrictor knot. Kevlar will never slip and the silicone prevents line burn on the rubber and seals and protects it ... and when it dries it holds the knot firm. Never ever had a knot or wishbone slip ... while I have many wishbone slips from knots done by gun manufacturers.
What do you think is the right setup (rubbers) for a weapon with shaft 6.75 x 140cm (the gun is pathos laser carbon 100cm)
2 x 14mm bands @ 360%.
I got a hammer head gun size 110 with 7 mm shaft. recommended two 16 mm band? or two 14 mm band. thanks. hope answer
2 x 14mm small ID bands will give you much better performance than 16mm. Make sure the bands are small ID (small ID) and not regular 14mm bands.
wow!
I had not seen this video ! I do not know how but the video had escaped me ....
as always , really clear and interesting (indeed astounding ) . Thanks !
One thing I noticed , correct me if I'm wrong .... In the final part with 2 small id 14 and arrow from 125x7 handle " Angel 1 " were not modified with epoxy and fired anyway very well ..... Then, with arrow 130x6 , 5 , you have changed the handle ( as for pathos 130 ) ....
It was necessary for the 82 ? From the videos it seems to me that as long as you are using shaft to 7 mm, the "simple ergonomic grip"(like angelo 1) can be sufficient...
I initially had accuracy problems and thus I decided to put a setup which I know is dead accurate ... my custom handle and the Sporasub shaft. Later on I discovered the accuracy problem was due to the Pathos shaft. The handle used does not matter and both are equally accurate. The handle customization is not necessary on the 82 gun as recoil is minimal. Both the D'Angelo 1 and D'Angelo II with sear change and custom grip shot equally accurate.
incredible. 7 years have already passed 😳. It's a shame you stopped posting videos. after having revealed the potential of 14 mm bands, now it would be nice to verify the potential of compact weapons. this winter I would like to make an "abellan 75" to use with a 7.5 shaft, and a "110" with an 8*135 shaft and three 14 elastic bands. In the Mediterranean, even for tuna, having shorter and more manageable weapons is a great advantage. for this reason many have switched to vacuum oleo-pneumatics.
Thank you sir for all your videos. I have a question how do you adjust for windage in a roller gun. My MVD in stock set up is shooting low and to the right. Low probably six inches at 4 meters and six inches right. I have not been able to figure out how to adjust point of aim. Tried new spears with no change. Have shortened the bands, have lightened the bands, no drastic change. It has the stock mvd rubbers and it is a very difficult gun to load. Is it just a matter of putting thicker 16mm rubbers on and making it longer than stock bands.
I found that rollers if pushed too hard, will flip the back of the shaft up when it exits the track ... this causes very low shots. My suggestion is to reduce the loading of the gun. Of course you will lose power, but at least the shot will be straight. In the video here you can see that happening exactly. You can compensate a little for the lost power by using thicker bands. The idea is to let the wishbone release the shaft before reaching the roller so that the rotation of the roller doesn't flip the tail of shaft. You really have to spend a lot more time tuning a roller , but it can be done and if done correctly results are very good (as in the video).
@@majdq8 thank you so much for the quick response. That is what I viewed in your video and I ordered 16mm small id over the 14 and went with a less punchy band. I went with prime line. I also saw on a roller gun builders video that you make a double wishbone a super short and a long. You hook the spear to the long wishbone and when the short wishbone catches the roller ramp it prevents exactly what you said it throwing the spear up and down. Sad these companies aren't doing this from the beginning. Thank you so much again for all your videos. I have one more question for you. Do you think enclosed track rollerguns such as the pathos sniper and mako spearguns prevent this problem with an enclosed track? Have you seen a disadvantage to enclosed track guns? To me they sound like the perfect thing but you would know better than anyone. Thanks mate and cheers.
@@TridentCustomBaits I don't beleive that is the answer as that is like cutting your head off to stop a headache. Enclosed Track will kill off your velocity ... sometimes as much as 50% !!! much better is to make your design correct from the beginning. I used to only use ET guns, but after testing I don't use them anymore. The performance hit is just unacceptable for me and they have zero advantage accuracy wise. They might help a badly designed speargun but today there is no excuse to making a poorly designed speargun.
@@majdq8 roger that! Thank you! That is why I asked! You have probably handled every gun out there. Stay away from et guns, noted completely. Thanks again!
hi again. I just bought an pathos sniper r size 115. I have trouble to charge. I think the bands are short. it has two bands. short and large. both 16 mm. one has 70 cm. and other has 1.45 cm without wishbone only rubber. do you know is that right, ? there are something wrong ? hope you can help me. you know the right size ? thank you
I am not familiar with that gun ... but let's say the 115 has 120cm band stretch and you want 340% strech ... thus you would take 120 x 2= 240 and then divide by 3.4 ... which gives you around 70.5 cm. So the 70cm band might be OK, but the 1.45cm band is way off and actually enough for 2 bands.
Thank you.
Hiya, keep going with these reviews. So interesting. You are the only one does this, so well.
Just out of interest what's the best setup for a 85 sling pathos sniper, not roller?
82cm😜🤭
Best setup for that is 2 x 14mm small ID bands cut at 360% and a 7mm @ 125cm shaft! However if you want to keep your Sniper track enclosed then better use a 6.75mm shaft as it has less friction as shaft goes out. You can see this setup in action here th-cam.com/video/Gtw31On8MDk/w-d-xo.html
@@majdq8 wow! You are so knowledgeable. Many hours of work.
Thanks for that😊👍. When is the next video? Salvimar metal sapiens carbon? Signalsub nemesis pro carbon would be very interesting.
Hey bro, do you have all this data in a spreadsheet?
another question please. which size exactly each band for my hammer ??
Try 360% cuts. You take distance from band hole to shark fin then multiply by 2 and then for 360% you divide by 3.6.
Thx. Have your thoughts on this roller vs classic setup with 14mm bands changed at all since this video was made?
More important of all is correct setup for either roller or classic. Roller shoots great if properly setup, but to shoot great you have to sacrifice some power. Classic can be pushed to higher performance and still be super accurate. Personally I prefer the classic setup as it has more power and less things to go wrong ... plus much quicker to load. You can see both these setups in actual spearfishing conditions here th-cam.com/video/Gtw31On8MDk/w-d-xo.html
@@majdq8 thank you. I just recently set up my gun to 360% 14mm small ID bands i have seen in some of your vids and I am amazed how much better it seems to perform so far.
why you prefer the 6.75 ?? I been watching your videos and always say something about the mass and penetration with 7 mm shafts. thank you. hope your answer. I got the small ID bands 14 mm. Now I need to buy the exactly shaft.
The Pathos 82cm does not have too much band stretch, so I don't think that it can push a 7mm shaft to terminal velocity ... but @ 6.75mm I think it can get very close. Doesn't mean that 7mm won't do really well, just that a 6.75mm shaft might be a better fit.
very nice!all your videos are great!Can you make one how to make custom handle?Thanks for all of your help and information.
Yes soon I will make a video for customizing the handle. It is a game changer and dramatically improves performance and accuracy!
Thank you very much my friend.I want to make a custom handle for my pathos carbon 100.So i will be waiting for your video!Thanks again for all.
Is that sniper roller and laser roller? Or you fix the roller with your self ?
+mohamed swesi It is a Pathos roller kit that I fixed myself.
Hi again 😁 would 14.5 sigal extream with 7 mm shaft at 125 long but be good or the 14.5 is a bet 2 strong ? Cut will be at 3.6?
I don't think it is possible to load the Sigalsub 14.5 to 3.6 !!! They are very stiff bands. Maybe 3.3 ... but for 7mm shaft no need for 14.5mm bands ... better results is with 14mm small ID bands. Also much easier to load!
Hi majd,do you use reactive or progressive band on classic setup here?
Hello, I like your video very much, I will buy a new harpoon, how do you think I should do the combination of 82cm aluminum? Thank you from now
Best is same like video. 2 x 14mm small ID bands with a 7mm @120cm shaft. You can see this combination in spearfishing conditions here th-cam.com/video/Gtw31On8MDk/w-d-xo.html
hi. !! about my hammer head 110. I know about the bands small I D. 14 mm. Now I wanna know about the shaft. which is better for that gun. 7 mm. or. 6.7. thank you.
Both will work well. For a 110 band stretch gun I would prefer the 6.75mm shaft.
Hi. thanks for video. I have a question - it is possible to apply this modification (two bands of 14 mm and an arrow 6,50-6,75) on any gun of 82 cm?
Yes I think so, but to get the same performance you see here, the handle of the gun has to be very high up to minimize muzzle rise and also the trigger should be a reverse trigger to maximize band stretch.
ok.Thanks a lot
@@majdq8 Tell me please for yourself which rifle you would choose? Rollergun or classic gun?
I prefer the simplicity of the classic setup.
thanks.I face the choice - Pathos Laser roller 90 or Pathos Saragos 90 (modification 14mmx2 6.75-1.30)
I have a 90 cm pathos open laser pro gun and I was thinking of having the roller kit installed...but with th video I saw that I just have to change he 17,5 rubber with two 14 mm..
Yes absolutely. With a 90cm gun you have 8cm more band stretch than the gun in this video, so results would be even better. Just make sure that your 14mm are not regular inside diameter but rather 14mm small ID.
thanks a lot. and where can I get that específic band? the problem is I live in Mexico . you can give me some address to ask for it. thank you a lot. your videos help so much
The bands used were Primeline small ID. The bands are actually made in Mexico and then exported to the US. Many people think Primeline bands are US bands but they are not. My last batch of Primeline bands were actually sent to me from Mexico even though I ordered them from Primeline US.
Super!! Спасибо!!!
The standard setup of pathos 82 is with 19mm band and 6,5 shaft, the 20mm and 6,75 is overkill for such a small gun. WIth 17,5 bands and 6,25 shaft it would work even better.
I have a pathos 90 with 2 14mm bands and 6,5 shaft and its shots are very accurate.
+Awaker The bands I got measured at 19.41mm so I assumed it was 20mm. As for the shaft, the default shaft came with notches and in the shop I asked to change it to shark finned shaft ... so it is possible that the original shaft was 6.5mm rather than 6.75mm ... but very little change (maybe 150 grams) ... moving from a 120cm to 130cm shaft @ 6.5mm would be more difference in shaft mass. The setup tested @ 7mm was amazing and very powerful accurate ... I never dreamed a gun so small could be setup with so much power. The 7mm setup is more powerful than many older 120cm guns with 150cm and 160cm @ 7mm shafts with 2 x 16mm bands!. I have tried many default factory setups @ 120cm that cannot pass 10cm penetration test @ 5 meters. The key here is the correct choice of bands! The 130cm @ 6.5mm Sporasub shaft shot extremely well ... and am sure @ 120cm it will also do really well in both 6.5mm and 6.75mm. For the 7mm shaft ... even though it did extremely well, I have a feeling that bands around 14mm to 14.2mm would do even better.
You made your self very clear, thanks for the answer, good reviews, keep them coming (y)
👍 super
So all in all for a 82cm pathos gun my best bet is going for a dual shark fin shaft with two 14mm bands?
Yes, with 2 x 14mm bands the power is incredible and still keeps pin point accuracy. You can see both setups used in actual spearfishing conditions here th-cam.com/video/Gtw31On8MDk/w-d-xo.html
@@majdq8 Thanks! Then that will bey setup for next season. I'm really happy with my pathos 82 but a little extra performance can't hurt :)
Also im thinking about maybe adding a reel but I'm not too sure if I want that extra complication or not
My experience tells me that its always better 2x 14mm rubbers for any shaft up to 8mm. better precision and overall performance. 16mm and over rubbers add too much power to the soft shafts and it makes them "wave" as they pierce the water. They wont fly straight. its also lighter on the trigger. My go to rubbers are always 14.5mm primeline for shafts up to 7mm, on guns up to 115.
@@joaomelo61 How doch you go about choosing shaft diameter?
Depends on what fish you want to target. I mostly hunt for medium fish 800g - 2.5kg so i use a 6.75 and a 7mm shaft. 8mm and larger is for big fish. Visibility in the Mediterranean is about 15-20 meters so i have 75 gun for reef and 115 for blue. Tried rubbers from 14 to 16mm and the 14 worked best for me for long and fast shots, on both guns. Both of my guns came with 16mm rubbers and i really noticed the difference when i changed. I have a Cressi Cherokee open 75 and Pathos Roller 115 (and a Seac Sting 45 which i only used in the first month of diving lol...)
could u please tell me how you modified the pathos shaft?
+Ayman Abdin I just put the tip on a bench grinder while rotating slowly at an angle. Then polished with sandpaper. I also removed the flopper and increased the pin hole size a bit and put a hardened steel Devotosub pin and flopper. Also roughened the area in front of flopper and epoxied a cone in front.
is Devoto sub shafts are any good?
Yes they are 17-4PH hardened stainless steel. Also the flopper and pin are hardened SS. They do need some work with a dremel tool to remove burrs and sharp edges, but they are priced very good for what you get. Can also ask for a cone ... which helps accuracy and penetration. I highly recommend them.
halla majdq8 good test but i still waiting for c4 test
thanks
+Mohammed Althani Inshallah soon ... I have most of it finished but am trying out some different ideas on the muzzle. Results are extremely good !!!
+majdq8 thanks my friend
gut one thing do you test it with 2 or 3 band and what the size for it and the shaft
I tested with 2 and with 3 bands. with 7.5 and 8mm and 8.5mm shafts
+majdq8 thanks my friend
Ordinary things makes life easier
Why did the 16mm have less pen than 14.5mm?
I really don't know. I think that there is a certain line where you need a certain amount of rubber to move a spear shaft. If you go over this power then the additional rubber hurts performance as it is just extra volume and weight. The heavier bands performed poorly with light shafts, but with heavier shafts the thicker diameter rubber gave better performance. I think for 7mm shafts and less diameter, best is 13.8 to 14mm bands and for heavier shafts the 14.5 to 15mm are better.
@@majdq8 I have a 115 sniper r I've trying to figure out for about 9 months. Best setup seems to be 16mm small id with med pre-stretch, no booster band and a 7mm hunt shaft. Accuracy was similar to your results when compared to the stock pathos shaft. I don't have access to a pool so i guess i have to do a pen test on some fish. Thank you for the videos and valuable insight. Also how would you rig a riffe euro 90?
@@808iy 1st time trying my new sniper roller 110 last weekend and missed every fish, couldn't believe it. When I came back home, I removed the circular band as it tends to get tangled all the time and thought maybe too much power is not good for this gun. Will try without the booster/circular band next time to see if it makes a difference. Are you still using this set you mentioned?
@@moonwalkingbeluga6459sorry for the late response but I abandoned this setup a while ago. I kept missing point blank shots. I swapped the muzzle to the traditional setup and it felt more accurate. I had to upgrade the trigger to handle the extra load.
Check the new
Pathos sniper-r (r for roller)115..it's amazing!!
I did get the Sinper ET 125cm and will test it soon . It is not the roller version but the normal version. I am convinced that roller does not improve performance due to testing almost 20 different single and double roller setups. The only roller setups that I think have a chance of reaching the performance of a well tuned classic setup are invert rollers.
great words... from real world!
What is terminal velocity?
Terminal Velocity is a term I use when I can no longer gain velocity from a given setup. So even adding band power will not change the velocity. Thus it makes no sense to push a gun too high above TV because all you get is more recoil for no gain. The ideal setup is about 20% above TV ... this way if you load your bands and they lose some power with time, you still have the same performance and same shaft flight.
Thanks for your reply majdq8!!! The only explanation I can give for ''TV'' is the absolute latex contraction speed of the bands without load.I think that the easiest way to increase speed of the shaft is the pulleys, but then you need a very good amount of force...... (See '12 bandB Daniel double invert roller')
Awesome work majdq8! I really appreciate your videos and good informations!
On this configuration(2 x 14mm bands @ 360%) did you aready included the extra 20% above TV ?
So, for this setup "Terminal Velocity" would be at @ 300% , Is that correct?
I'm aiming to test that on a Picasso Magnum Carbon Rail 95...
Cheers!
i think the problem with pathos guns is the trgger
maybe is too hard for you....
+memas1989 The Pathos D'Angelo 1 plastic trigger has no problems ... the only problem is with the D'Angelo II stainless steel trigger where it will suffer "galling" as the trigger sear and shaft sear scratch each other. ... this make trigger pull almost impossible after some shots. I think some issues have been addressed with the latest SS trigger but haven't really tested to see if this has been fixed. For powerful loads using the D'Angelo II SS trigger I recommend you change out the sears with Ermes kit.
Hello.
I have a question wich band do you use ? i dont find this bands. When i was search in google i find this band.
www.amazon.com/Speargun-Primeline-Rubber-Tubing-Select/dp/B00PPNM474?th=1&psc=1
if you are use this band ı order to this band
thanks for reply
or you can you say similar band thank you again.
Cressi has started making the small ID bands and you can get them here www.scubastore.com/scuba-diving/cressi-slings-per-roll-pure-scarlet/65047/p
I think it is losing strength because of Line release :) ..me on my gun I missed a lot of fish in order to line release ..
Line release can be a huge problem if it snags. You will get shots off center and lose a lot of velocity. To check if your line release is not snagging ... set one band on rest tab and take a practice shot. The line should unravel without any problems. Usually a snag will be easily observable with a low power load.
@@majdq8 my sniper r shooting line keeps snagging once the shaft exits the gun. How would I fix this? Seems to happen randomly
@@allanjr808 You can reduce the problem by using thicker mono line. Also you can shorten the pin so that it will not snag ... but that can be risky as if you over do it you will have a non functional line release. Problem is that many people are using dyneema shooting line and that tends to snag much more.
@@majdq8 okay, I'll try a bigger line. I've been using black mono but havent had problems before. When the mono snags, it always happens the same way: after I take my shot, the spear exits the gun then stops before the first wrap. The wishbone on the roller band catches the mono. Makes me sick when I get opportunities to bring home some fish but to fail because of gun failures.
I don't have anymore pathos now all my guns are demka...
+memas1989 Maybe one day I will try a Demka ... they look nice!
+majdq8 can you do a shoot test on the pathos sniper roller?
I think it will perform similar to what is in this test. There is a fundamental problem in that the more you pre-tension the bands the more the wishbones will pull the back of the shaft up and make the shot go low. This needs to be addressed before I become interested in testing this again. But as you can see from the test, a roller is not going to improve on the classic setup with 2 bands. That is quicker and easier to load with less complications ... and more powerful! I just don't see the need for the roller as it hurts performance rather than helps.
Red letters/words are almost impossible to read. Pity.
OK. I understand. but. talking about hammer head spear gun 110. 150cm shaft. you prefer 6.75. ?? or 7mm. thanks and sorry about to many questions
I haven't shot a Hammerhead speargun is many years, but I think it would be the same. It has more to do with band stretch rather than gun make. Both shafts would work great and whatever difference there is it would be minimal.