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working full auto machine gun
An electric machine gun that fires lego bricks (very quickly)
About this creation
out of all of the things that i have ever made, this definitely has to be one of the best and most satisfying. the reason: i have finally created a working full auto machine gun that fires lego bricks!!!!!!

features:
working full auto
working safety catch
20-brick magazine (undetachable)
two grips - front (vertical) and rear (pistol)
detachable stock
is really really fun to fire!!

the basic idea is this:
a big wheel with elasticated teeth spins at a high rpm. bullets (bricks) are fed onto it via a magazine, until the top one touches the "drum" part of the wheel. as this is smooth, the brick doesnt move until one of the teeth comes round and hooks onto the back. the rubber band on the tooth stretches (as the brick cant go forward as there is something blocking it) until the actual tooth (which keeps moving) hits a lever, which releases the thing that is blocking the brick, which flies off from the force of the rubber band. this happens 3 times every rev of the wheel, as there are three elasticated teeth.
the two motors are powered by 18v (each) from a transformer connecting two battery boxes together, which is all hidden in the big black box at the back.

this is probably not a great explination, so a video of the gun in action can be seen here


pics:
the gun







the gun, empty mag







the gun, stock removed







the back of the gun







the stock







empty mag







what to do so you can load it (see vid for more info)







inner workings







more inner workings







safety catch (safe)







ready to fire







looking down the "barrel", you can see the shooting wheel









well, that just about all there is to it.
tell me what you think!



Comments

 I like it 
  June 29, 2011
dude like m12s. i like it
  June 17, 2011
its really kinda sad how there are practically no accurate lego machine guns out there exept for "badass lego guns" book's machine gun, which im trying to make now
 I like it 
  May 29, 2011
Seriously... if you make another gun, consider the SIG Sauer 556, SIG Sauer SSG 3000, Magpul AFG, and the Magpul CTR please :P
  April 21, 2011
Does it shoot far ????
 I like it 
  January 19, 2010
L e g e n d!!!
  November 29, 2009
Sorry to double post.I just had a brainwave - I think you should make an M14 rifle. I just saw a 1:3 scale M14 and it looks cool.
 I like it 
  November 27, 2009
Great job... I love the mechanism but have yet to see it in action because the video link is broken (Brickshelf died, so did the links, instructions etc.) and either I can't find it or there is no youtube video on it. I really love all the mechanisms in your weapons (especially the Pump Action shotgun - I am building the mechanism now)
Jack Streat
 I like it 
Darcy Guerin Hanlon
  April 11, 2009
very good could do with some further development tho EG: like longer barrels and stuff
 I like it 
  March 5, 2009
it's a very good picture
 I like it 
  January 1, 2009
Look: To cover the big system, make a tommy gun, the wheel thing will be able to take of, and it will cover much!
 I like it 
  December 2, 2008
one word. WOW!
 I like it 
  November 24, 2008
You just invented a new sport : Lego-Soft ! XD It would be nice to make a league :P Stil an awesome job, I'm sure in some time you'll be able to make the mechanism smaller, just like they do with computer technology. ;)
 I like it 
  November 24, 2008
*Claps* Congratulations,i'm very impressed by this one. But try to make a switch between semi-and fully auto. It does look like an M-249 SAW. However,its such a great thing,it looks very ecxiting. But could you please review my guns,or try to make a Thompson M1921. Thanks,Jack.
 I like it 
  November 12, 2008
very impressive
 I like it 
  November 12, 2008
I wish my Technic skills were as good as this! Very impressed : )
 I like it 
  November 12, 2008
Great job! Very cool.
 I like it 
  November 12, 2008
I've seen guns that can fire with better FPS, but the rate of fire and the clean look of the gun is fantastic. This is an absolute win. ~Will
 I like it 
  November 12, 2008
I really really love it, need to improve the accuracy though, and using 1 x 6 bricks instead of 1 x 4 bricks usually helps....Please review my barrett, and stay tuned for v2
 I like it 
  November 12, 2008
Simply incredible! Awsome! There aren't enough words to describe the level of cool this reaches. :) I had thought about doing something similar, once, but my plan used an airsoft style gearbox which would pull back the launching pin with a half tooth gear. I had to give up due to lack of parts and the fact I didn't want to shave half the teeth off of any of my lego gears. :)
 I like it 
  November 11, 2008
Fantastic gear and rubberband system. Really great work.
 I like it 
  November 11, 2008
Very nice :).
 I like it 
  November 11, 2008
Sweet! It may not shoot extremely far and it's not very accurate, but the fact that it shoots at all and so fast is what counts. Awesome.
 I like it 
  November 11, 2008
What you have there my friend is called a H&K UMP 45. Your right about the machinegun part though.
 I like it 
  November 11, 2008
OMG That looks awesome!! If I were you I would cover the ammo though... so it isn't showing.... that looks awesome dude!!
 
By Jack Streat
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Added November 11, 2008
 


LEGO models my own creation MOCpages toys shop working full auto machine gunWeapons


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