How fletching spin direction impacts single bevel rotation on impact
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- เผยแพร่เมื่อ 27 มิ.ย. 2021
- How does matching and mismatching fletching spin direction to single bevel spin direction influence the cut profiles?
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Great test & vid. Thank you!
Probably the best video I’ve seen done on the single bevel broad head. I didn’t quite understand how the rotation through the animal works but it makes complete sense now. I will probably be switching to a single bevel now. I’ve wanted to for a few years just didn’t know enough about them.
Wow 😮, just wow! If someone would have told me that the fletching dictates rotation of the head after impact, I would have called them a liar. Hell, I would have bet them and lost 😠. Thanks for edumicatin this old bowyer. Awesome demonstration! 👏
Crazy good video. I’m an archery hunting noob and nobody is talking about this stuff when you’re buying gear. Thanks so much!
I am very appreciative of your research. I will have to fletch my arrows with a right helical for my new Iron Will single bevels. As always, great content! Thank you Sir. Take care and good luck out there! -Love from NH
This was very informative. My hypothesis was that the standard wisdom shall apply. You never know however. Thanks again.
the best experiment of single bevel i've ever watched!
Well done. That took some work to put all this together with all the diagrams. Great work.
I appreciate all your effort and time you put into all the testing you do!!!!! Saves me and I'm alot of others time and money and animals!! Keep up with efforts 👏👏👏👏💯💯💯💯
I sure appreciate your work!!
This is an excellent explanation, thank you!
Well done straight forward and practical testing 👍👍
Very well made. Thanks for making the video!
Thanks for the research Ron!
Wonderful test. Very interesting. Thanks for taking the time and effort to do this.
This is very well done! Thank you!
Cant wait to see the results.
Excellent experiment and analysis. This conclusion is exactly what I would have predicted given energy loss and friction dynamics. Multiple tests of the same nature would further support your conclusion. This would be a good logical next step. The one negative I have heard about LH bevel is that they tent to loosen on impact because of threading direction on inserts. This I have overcome with plumbers tape or even hot glue. From what I understand the VAST majority of bow strings are made such that arrows leave the string with a left spin. Maintaining this left spin with left fletch and LH bevel is logical and your results validate this. However, VERY few companies make a LH Bevel unfortunately. Subscribed!
At the same time that this makes really good sense also people have to be aware if you're shooting a compound I don't know about to Ringer but a compound if that bow string is spun to the right clockwise which 95% people do your arrow 95% of the time is going to clock left therefore coming off the boat without fletching naturally to the left so if you follow that with your flagship it's gonna make it spin even faster and harder especially if you got the same type of broadhead on if your arrow does spin to the left But if if you put a right wing Fletch On a arrow that clocks left coming out of the boat it will stop in mid air and correct the arrow and starts spinning it back to the right but they've showed that on high speed camera at Lancaster' archery
Right, so take your counter clock wise shooting bow (left hand spin) and right fletch the arrow and put on a right bevel, not only will your arrow adjust to clock wise (right hand spin) in a matter of just a few feet the tip will get tighter on impact (instead of looser) and now the arrow weight will help with penetration instead of looseing up.
Thank you for this excellent video!
Been super curious about this!!!
Well presented content! Thank you!
Great video...once again 💪🏽🇺🇸🏹
Very cool video.
I can only say what I have witnessed shooting Grizzlies for about 20 years. Most of my kills were 15-20 years ago using right bevel original Grizzlies from the original manufacturer. I would agree that all the animals shot properly died quickly and were recovered and eaten. I was using left fletch. I would now match the bevel with the feathers.
Great video 👍
Holy moly I was just thinking about creating some device like that just the other day
Great video
Very interesting and well put together! Would love to see them compared while penetrating actual bone. I’d be curious to see if the RB/LW has the rotational power to actually crack the bone. Thanks again, enjoy all your videos
The rotational force will be immediately imparted to the broadhead to it's maximum. Just push an arrow with a single bevel thru a watermelon to see this.
This is absolutely counter intuitive! What an eye opener. I was positive that the opposing bevel powered by the forward momentum of the arrow would easily overcome the rotational momentum. Now my question becomes, when i shoot a no bevel i to a target with helical feathers, it has no perceptible rotation. This is very paradoxical.
Thanks for the time and energy you put into this video . I have ABB strings and cables on my hoyt V 33 which turn right, 3degree right helical fletching and a iron will right beveled broad head. I think I’m good to go.
Very interesting. Seems like a good test. I’m struggling with other videos that show the arrow stop and take the bevel turn on impact. I think this may be the long low angle of that head that induces little rotation. My shorter steeper angle heads spin through with more rotation. Thanks for testing!
Good stuff. Thanks.
Great test and explanation thereof. Will you ever declare a "sharpness winner" in terms of the sharpest blade edge you have experienced and the greatest potential for edge retention? Asking for a friend - as the kids say.
Very interesting! thanks for putting this out! I am curious to see if there would be any accuracy difference, and grouping difference.
great stuff thanks
I forgot to add that I shot an antelope with a 50# longbow and 500gr arrow with a left wing fletched 125 gr grizzly on a cedar shaft. The arrow split the humerus and then pentetrated a rib, the heart and stopped on the off side shoulder. The animal traveled about 50 yds before the crash before death.
From a physics perspective you have angular momentum which is the rotating of the arrow. Any time you try to change the direction of that rotation, it will drain energy from the arrow. Will it get the job done if beveled opposite? Probably, but it’s like driving an engine firing on 5 out of 6 cylinders
Thanks for the research Ron! Can you elaborate a bit how string rotation effects this? My bow naturally rotates arrow to the left so I started fletching my arrows with a left offset but shooting right hand single bevel.
Another question this brings to mind is would the arrow spin in flight with a single bevel with either straight or no fletchings at all. That would tell a lot. Also I wonder if a rotating insert would affect things at all. Love your vids man
Are you adding a screw in adapter to those Grizzly heads? If so is there a glue and adapter combo you prefer? Thanks for all the amazing info!
Very fascinating video. Thanks for doing this. It would be interesting to hold the 1st experiment (meat/flesh test) to show how much rotational impact the fletching has on a double bevel once cutting begins.
Also, is that tracking device on the market yet? Name/link please?
What about erratic flight with the opposing directions? Great videos.
Yeah for me personally its common sense your shooting the opposite fletching hoping it will force rotated the same direction your just bleeding momentum & energy as soon as it starts the penetration process.
Excellent test. Ethics makes spinning inserts and theoretically that would let the broad head spin the way it wants regardless of fletching I wonder how those would fair in a test like this?
Great video man... Totally makes sense and now I know for sure that the left bevel Grizzlies I have with my right helical aren't going hunting with me...
Does anyone know of left helical for an Easton ez-fletch?
Did the experiment years ago in foam and found virtually no difference. I believe what is happening it that the rotation of the arrow can be reversed with very little loss of energy and will assume the rotation of the bevel immediately. More testing is warranted...
Very interesting, but was wondering if you’ve used these same heads and did an accuracy test at 30-40 yds or farther to see if the right beveled broad-head caused issues with left helical vanes?
How do you want your single bevel broad head on your arrow in relation to the fletching s?
ok so would a "heavier" helocal would cause a difference on rotation with the same bevel?
Check out 1nestly here on TH-cam high def slow motion video of the differences at impact, flight etc with many different fletching and head combinations
Any chance you know where I can find a 500gr single bevel?
So essentially a single bevel has penetration has nothing that's different from a double bevel unless it hits bone?
One QUESTION ..your broadheads insert clockwise the same as your left fletching and left bevel rotation will this not just UNSCREW your broadheads upon impact ...? Once it hits a medium ..
I covered this in another video. You can see it here. th-cam.com/video/_A8tLeixxs4/w-d-xo.html
Will straight fletching go both ways
Any testing with 0 degree fletching?
most pre-fletched arrows nowadays come with some degree of offset or helical. most proshops will also put offset or helical while fletching an arrow.