Selective Fire Tri Barrel Rubber Band Gun (RBG): A LEGO® creation by Jack Streat : MOCpages.com

Selective Fire Tri Barrel Rubber Band Gun (RBG)

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a selective fire rubber band gun with a capacity of 24 rounds, and a very quick loading time.

About this creation

this is a RBG with a 24 round capacity. the loading time is amazingly fast for the capacity - under 2 minutes!

ther is a video here that explains most of what i say below

the gun works by having each RB hooked onto its own peg. these pegs go along the top of the gun, so this means that to get a roughly equal range for each band, there are 3 different places where you hook the other end. the grey pegs remind you when to change barrel.
when the gun fires, a sloped piece is moved along the line of pegs, and so each band is literally lifted off its peg. the sloped piece is moved by you pulling back a handle on the side (the gun is ambidextrous, so there is one on each side). the 'selective fire' bit comes from the fact that the more you pull the handle back, the more the gun shoots, so you can fire as many bands as you like at one time!

it is a very basic mechanism, with only one moving part, so anyone can make one! it also is a very versatile gun, with its 'selective fire' and very quick reloading time (for an RBG).

pics:

side view

top view

mechanism close-up (the black bit is the bit that moves backward)

looking down the 'sights'

close-up side view, loaded

side view, slider fully back

another view of the mechanism

well thats about it - tell me what you think!

Comments

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I like it

Thijs van Ooij

March 17, 2010

Great gun!. Inspired me to make one of my own. It is not as sturdy and has a much smaller capacity, but it has a working magazine. It works by just making the top part (where the rubber bands hook on on both ends) detatchable, with a 'spreader' for the RB's (so you don't have to manually put them over the moving piece). But can you please explain how you make sure the RB's don't block each other from being loaded? (happens to me all the time). BTW, you should make a P90 with a motorized version of this mech.

I like it

Sean Lee

March 14, 2010

May I have instruction?(seanlee0615@gmail.com

I like it

Bohdan Tkachenko

February 7, 2009

No, he means its bigger in size. Anyway great gun! I tried to make one like this and it failed.

I made it

Jack Streat

February 7, 2009

Quoting Jongejanssie Jongejanssie That such a simple gun can be so great... Nice Jack, i've got a bigger version of it. 5*, please review some of my guns!

when you say bigger, you mean size not capacity, dont you? mine has double the capacity of yours but yeah it is a great mechanism, isnt it - sooo simple...

I like it

Jongejanssie Jongejanssie

February 7, 2009

That such a simple gun can be so great... Nice Jack, i've got a bigger version of it. 5*, please review some of my guns!

By Jack Streat

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Added February 7, 2009

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