Mistake found! Here are the real results: (footage were shot in 240fps not 480) 1 Rubber band: 13/240= 0,0542 seconds per meter => 18,461 m/s ; E= 0,232J 2 Rubber bands: 10/240= 0,0417 seconds per meter => 24 m/s ; E= 0,37J 3 Rubber bands: 9/240= 0,0375 seconds per meter => 26,7 m/s ; E= 0,484J 4 Rubber bands: 8/240= 0,0333 seconds per meter => 30 m/s ; E= 0,612J Thanks to @SHRAPNEL for telling me 😅
If you compare these results to a similar experiment in which you fire the projectile normally, except without a barrel to so slow it down, you could calculate the amount of friction the barrel imparts upon the exiting projectile by using the work-energy theorem. It would be interesting to see how much or how little the projectile is impacted by the barrel. Just in case you happen to actually be interested in partially dismantling your Lego Sniper, here are the details in order to calculate the barrel friction: KE1=Kinetic Energy of projectile with barrel interference (J) KE2=Kinetic Energy of projectile without barrel interference (J) x=Length of the barrel (m) f=Barrel friction (N) f=(KE2-KE1)/x Regardless, awesome video!
Oh that would be interesting, acutally the barrel on this sniper is meant to be easily removed. I might try that also with the new AWP I’m currently working on. The gun it self is almost 1.2 meters long.
nice calculations, and its really awesome how strong the sniper is, but of course everybody knows that stepping on a lego is the most deadly thing to happen
Hey Kevin! I was working in one of your first snipers, and the big problem to increase the power was always the trigger. I 3D printed the trigger mech because I can’t figure out a way to do with Lego, I will post a video of this gun soon. Thks for the content, u are the best!
3:39 you should try stacking two L shapes together next time. That way the trigger will be thick enough to withstand the force of more than 1 rubber band.
Plotting number of rubber bands again the energy (J), gives an equation of y = 0.1254x +0 .111 with an R squared value of 0.9988. This means the number of rubber bands is directly proportional to the energy in Joules.
Cool idea! I built the gun and have an airsoft chronograph so I wanted to see if I got the same results. Here’s what I got on a 3 shot average: 1 rubber band: 50.6 fps, 0.16 joules 2 rubber bands: 71.8 fps, 0.32 joules 3 rubber bands: 84.8 fps, 0.45 joules 4 rubber bands: 98.0 fps, 0.60 joules So overall I think our results are pretty similar in velocity (I don’t know if my chronograph calculated the joules correctly), but your way of measuring is awesome considering all you had to work with is a slow motion camera and mathematical formulas 😂
@@Pedashredder Nah I input the projectile weight as 1.36g. I think it’s just a miscalculation or something because there’s no way the joules should be that low when the bullet is 6x the weight of a standard airsoft bb
Yeah I don’t know if and what I calculated wrong, but the calculations seem logic to me, but the result of over 2 joules still irritates me. Maybe it has something to do with air resistance, because the lego bullet looses speed very fast.
Die Waffenrechtliche Perspektive würde mich da mal interessieren :D Beim Airsoft braucht ja alles über 0,5J das F im Fünfeck und eine unter 0,5J auf über 0,5J zu tunen und sie nicht abnehmen zu lassen ist somit ein Verstoß. Aber wie sieht das aus wenn man sich ne starke Lego Waffe baut?^^ Beeindruckende Leistung auf jeden Fall
This is the video i wanted, I wanted to make a sniper but by using 4 rubber band But the it would break easily, it can only use 2 rubber band which is not power full....😅 Soo can u plss make a video of solving the problem, i will post a video on my channel of wat is the problem, so u can make a video about it, if u response to my comment plz😊
You can I don't think you can easily modify the tip of the lego bullet (bcs the trigger mechanism requires it to be pressed to the trigger). It might be possible if you constructed a small mechanism inside the bullet with a sharp pin and spring (so that the pin doesn't interfere with firing, but sharpens the bullet on impact) but doing this would require some engineering and modification to Lego.
Yeah you potentially could but not with this mechanism bc the foam of a nerf dart is not rigid enough. The power of this mech relies on the rubber bands creating tension behind the bullet. A nerf dart would just crumple.
Mine best results is 26,3 m/s idk where is the 60m/s here Seems you're captured in 240p not 480p (twice faster speed mistake) I could only believe in 35-40 but nothing more I could prove my results for sure
@@SHRAPNEL_LEGO yeah it is actually 8 times slower while editing the video, I had to set the slow mo footage to 800% to get the normal speed. it is a bit confusing, but 16 times slower isn´t true because you need the double amount of fps...here for example: 60 to 30 fps = 2x slower 120 to 60 = 2x slower 240 to 120 = 2x slower 480 to 240 = 2x slower The footage is 480 fps but still I´m not sure for the end result yet
Servus Kevin, hast du evtl eine 08/15 Email-Adresse? Dann zeige ich Dir mal die Kar98K und Deine SAP-6 (inkl Red Dot sry,mir fehlt der 2x3 rot leuchtende Brick) mit Geschossen in doppelter Größe! ;-) P.S. Snyzers Deagle Ice hatte auf Seite 213 nen lustigen Fehler! (Keule hat den schon korrigiert) Frage zur Deagle allgm. .... Hast du die konstruiert?? Grüße aus OWL
Instagram wäre gut weil es einfacher ist mit bildern und videos @kev183in Also snyzers deagle hat er konstruiert, ich habe die nur auf meinem kanal getestet
@@Kevin183 Thx, sry wegen dem Spruch (solltest den aber auch nicht vorlesen) "die können ja auch mal so höflich sein und Deutsch sprechen!" [Das war ich] Hmkey, ich bastel mir dann mal einen Acc und melde mich dann! Ajo, Dank Deiner Kar98K hab ich ein Loch in einer meiner Legokisten! Ging voll durch! Netten Gruß The ThrillChill Comp (2x) ;-) Und wehe du nennst mich Opa! LooooooL
Mistake found! Here are the real results: (footage were shot in 240fps not 480)
1 Rubber band: 13/240= 0,0542 seconds per meter => 18,461 m/s ; E= 0,232J
2 Rubber bands: 10/240= 0,0417 seconds per meter => 24 m/s ; E= 0,37J
3 Rubber bands: 9/240= 0,0375 seconds per meter => 26,7 m/s ; E= 0,484J
4 Rubber bands: 8/240= 0,0333 seconds per meter => 30 m/s ; E= 0,612J
Thanks to @SHRAPNEL for telling me 😅
🤝
👍
I have a question. Where can I buy the blue rubber bands that you use on your Lego guns?
Next step, to make it more powerful, and more solid, 4 joules!!! 💪🏻🔥🔥🔫. In any case, never disappointed with you 😉.
@@Alex06febe do u understand amount of 4 joules for real?
If you compare these results to a similar experiment in which you fire the projectile normally, except without a barrel to so slow it down, you could calculate the amount of friction the barrel imparts upon the exiting projectile by using the work-energy theorem. It would be interesting to see how much or how little the projectile is impacted by the barrel. Just in case you happen to actually be interested in partially dismantling your Lego Sniper, here are the details in order to calculate the barrel friction:
KE1=Kinetic Energy of projectile with barrel interference (J)
KE2=Kinetic Energy of projectile without barrel interference (J)
x=Length of the barrel (m)
f=Barrel friction (N)
f=(KE2-KE1)/x
Regardless, awesome video!
Oh that would be interesting, acutally the barrel on this sniper is meant to be easily removed.
I might try that also with the new AWP I’m currently working on. The gun it self is almost 1.2 meters long.
@@Kevin183 Sounds cool to me!
I'm not reading all that😅
RIP Trigger, you will be missed
nice calculations, and its really awesome how strong the sniper is, but of course everybody knows that stepping on a lego is the most deadly thing to happen
Especially the triangular pieces...
Hey Kevin! I was working in one of your first snipers, and the big problem to increase the power was always the trigger. I 3D printed the trigger mech because I can’t figure out a way to do with Lego, I will post a video of this gun soon. Thks for the content, u are the best!
Wow now thats a really cool video!!
You should do this with more guns!
Keep going👍
Omg you pop into my recommendations i watched your video 5 years ago. Sometimes i think of Who made the full auto pistol and finally found you
I want to build that so much. Amazing gun + rip trigger
Nice work man,I needed that video caculation, thanks again👍🏻
very nice video, but you should do more trials of each rubber band and take the averages of them in order to get more accurate results :)
If you want to compare the easy way, try looking how far the projectile bounces back after hitting the end and test it in different ranges
There was once the trigger to my sniper broke but what I didn’t expect is for it to shoot backwards, utterly destroying the gun itself
3:39 you should try stacking two L shapes together next time. That way the trigger will be thick enough to withstand the force of more than 1 rubber band.
Nah you misunderstood, those were already 2 L shapes, one of them broke off completely.😅
@@Kevin183 so even if there stacked together, the force of the bands is still too strong?
@@Kevin183 get metal ones
Plotting number of rubber bands again the energy (J), gives an equation of y = 0.1254x +0 .111 with an R squared value of 0.9988. This means the number of rubber bands is directly proportional to the energy in Joules.
You teached me more math than i learned in school
Cool idea! I built the gun and have an airsoft chronograph so I wanted to see if I got the same results. Here’s what I got on a 3 shot average:
1 rubber band: 50.6 fps, 0.16 joules
2 rubber bands: 71.8 fps, 0.32 joules
3 rubber bands: 84.8 fps, 0.45 joules
4 rubber bands: 98.0 fps, 0.60 joules
So overall I think our results are pretty similar in velocity (I don’t know if my chronograph calculated the joules correctly), but your way of measuring is awesome considering all you had to work with is a slow motion camera and mathematical formulas 😂
Not sure but i think it calculatet the joules wrong because your chronograph is set on 0.2 gram bbs and the lego projectile weights 1.36 grams.
lego bullets can't reach 60 m/s yeah
@@Pedashredder Nah I input the projectile weight as 1.36g. I think it’s just a miscalculation or something because there’s no way the joules should be that low when the bullet is 6x the weight of a standard airsoft bb
Yeah I don’t know if and what I calculated wrong, but the calculations seem logic to me, but the result of over 2 joules still irritates me.
Maybe it has something to do with air resistance, because the lego bullet looses speed very fast.
@@Kevin183 bro add me on a discord I'll explain your mistake haha
when you make a sniper thats more power than kevin183's: i am invincible, INVINCI- *lego gun breaks due to 5 rubberbands*
Ayo nice sniper!!! Can you make a revolver tutorial next?
Just wondering where u got the force idea. I talked about it in my video about the 3D printed lego bullet ;)
Where does he get the rubber bands from? I need them so my gun can shoot harder
Kevin will u like able to make a tutorial on how to make ur pistol mags like ur glock deagle
İs there a lot of force on the trigger or is it easy to pull (not very comfortable with too much resistance on the trigger).
Can you show us your process of making the lego guns
216 km/h, faster than my parents car 💀
Lmaooo
Driving skill issue 🤡
Sieht gut aus👏
Hello I love your content!!
Very good
Very cool, the math made it more interesting
hey kevin i have a question. Could you possibly make a British L113 snuper rifle long barrel with the amunision you are using
Die Waffenrechtliche Perspektive würde mich da mal interessieren :D
Beim Airsoft braucht ja alles über 0,5J das F im Fünfeck und eine unter 0,5J auf über 0,5J zu tunen und sie nicht abnehmen zu lassen ist somit ein Verstoß. Aber wie sieht das aus wenn man sich ne starke Lego Waffe baut?^^
Beeindruckende Leistung auf jeden Fall
i came here to chill, i got maths. I love it
Hey kevin, What is ur most powerful rifle
What kind of rubber band do you use? Could you send me a link
Tutorial?
Pls
This is the video i wanted,
I wanted to make a sniper but by using 4 rubber band
But the it would break easily, it can only use 2 rubber band which is not power full....😅
Soo can u plss make a video of solving the problem, i will post a video on my channel of wat is the problem, so u can make a video about it, if u response to my comment plz😊
Geiles Ding alla
Can you make a sniper in 100% lego technic?
ammo length 7
it doesn't have to be pretty
Hey we’re did you get the rubber bands
I have a question do you disign your own guns cause some of them look really close like the guns they sell on Aliexpress
I guess they steal from kevin
hey, where did you buy the rubber bands? Is there a link to buy it on aliexpress or amazon?
How do you put real scopes on lego guns?
How do u get these parts
“Correct me if im wrong” bruh who wants to get on his bad side?
can you make it short nerf darts ?
You can I don't think you can easily modify the tip of the lego bullet (bcs the trigger mechanism requires it to be pressed to the trigger). It might be possible if you constructed a small mechanism inside the bullet with a sharp pin and spring (so that the pin doesn't interfere with firing, but sharpens the bullet on impact) but doing this would require some engineering and modification to Lego.
Yeah you potentially could but not with this mechanism bc the foam of a nerf dart is not rigid enough. The power of this mech relies on the rubber bands creating tension behind the bullet. A nerf dart would just crumple.
@@arthursaroughian550 the design also means pointy bullets will get stuck under the release pin.
@@LynchtheFinch yeah that too ur right
You should make your own set where you have all the pieces the instructions and sell it for 75 dollars or 100 you’d make a lot
Actually, look at the costs. It's not worth it for him
I wonder if Kevin is on a watchlist..
Where do i get those rubberbands?
Man I wish I had a working Lego sniper, I tried over 5 times to make one but they all failed so I quit
Please let me know how much the gun costs.thanks
Do a range test!
I like that
PLEASSSSSSSSEEE SHOW US THE MECHANISM
Hello kevin!
The perfect home defense weapon
what lego gun is that?
bro do your lego parts broke while shooting?
the 1/2 bush
Ain’t no way the one with 4 rubber bands really made a “bang”💀💀💀💀
Hi! I built the first one handed operating lego gun. Consider giving it a look!
Mine best results is 26,3 m/s
idk where is the 60m/s here
Seems you're captured in 240p not 480p (twice faster speed mistake)
I could only believe in 35-40 but nothing more
I could prove my results for sure
That seems logical, but I am pretty sure I captured it in native 480 frames per second with the samsung s21 . So 4 times slower as a 30 fps video.
@@Kevin183 bruh
but 480/4=120
120/4=30 fps
Then 4x4=16 times slower, not 4x :) im making some more tests atm
@@SHRAPNEL_LEGO yeah it is actually 8 times slower
while editing the video, I had to set the slow mo footage to 800% to get the normal speed.
it is a bit confusing, but 16 times slower isn´t true because you need the double amount of fps...here for example:
60 to 30 fps = 2x slower
120 to 60 = 2x slower
240 to 120 = 2x slower
480 to 240 = 2x slower
The footage is 480 fps but still I´m not sure for the end result yet
@@Kevin183 can you contact me somewhere? I have newest results. You seems to work with 60fps video, not 30...
@Kevin183 if 480f is 1 second, then 30 fps would be 16 Seconds: 480 ÷30 =16. So it'd be 16x slower.
Wait, his country uses comas for decimals and points for thousands!
on my crossbow i use 8+ rubbers and it has no jam or something and its very dangerous😅
Servus Kevin, hast du evtl eine 08/15 Email-Adresse? Dann zeige ich Dir mal die Kar98K und Deine SAP-6 (inkl Red Dot sry,mir fehlt der 2x3 rot leuchtende Brick) mit Geschossen in doppelter Größe! ;-) P.S. Snyzers Deagle Ice hatte auf Seite 213 nen lustigen Fehler! (Keule hat den schon korrigiert) Frage zur Deagle allgm. .... Hast du die konstruiert?? Grüße aus OWL
Instagram wäre gut weil es einfacher ist mit bildern und videos @kev183in
Also snyzers deagle hat er konstruiert, ich habe die nur auf meinem kanal getestet
@@Kevin183 Thx, sry wegen dem Spruch (solltest den aber auch nicht vorlesen) "die können ja auch mal so höflich sein und Deutsch sprechen!" [Das war ich] Hmkey, ich bastel mir dann mal einen Acc und melde mich dann! Ajo, Dank Deiner Kar98K hab ich ein Loch in einer meiner Legokisten! Ging voll durch! Netten Gruß The ThrillChill Comp (2x) ;-) Und wehe du nennst mich Opa! LooooooL
kevin is calculating
That hits harder than a airsoft gun
I Need a Building Tutorial
My lego gm6 lynx can also pierce through a Cola can
5 rubber bands = most powerful lego gun
When Reloading the rubber bands will break
that's so cool how do you come with these mechanisms and designs
PLEASE SHOW ME HOW THE MECHANISM WORKS!!!!!!!!!!
cool
Hey kevin
Lol very Interesting👌
u should use supper glue to fix that piece
ahhh i can think about 20 rubber band power
buy 3 awp ak p90 guns for 50€, will you give me ammo?
You 1!!!
2.5 joules is 5 times the legal amount a normal softair can have where im from lol
🎉👍
Is anyone else still waiting on revolver?
use steel lego pieces
This actual can kill an human.. (shoot in belly
thats more powerful than cheap bb guns
Bro can you face reveals
physics lesson in ohio 💀
physics class
Have you broken lots of parts with this hobby? Idk for me lego brown pieces are made of glass…
FR💀💀💀💀
yeah fr
Bro face revel