tech e blog

06/14/2006

LEGO GumGun

Put simply, this rapid fire rubber band gun is one of the coolest LEGO creations we've come across. Unfortunately, no instructions were provided on how to build your own. Video after the jump.
This rapid fire LEGO gun looks like lots of fun. This is what you need on your side when the next office battle breaks out.
[via HackedGagets]

This entry was posted on 06/14/2006 1:18pm and is filed under Gadgets, Video .
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There are 27 comments about this post (2 pages).

1
Wah, what fun! I made two small pistols out of lego once, but that was using those special rubber lego thingy shooters. This is so much more original! :)
2
hey post the instructions on here!!!! thats too cool and an essential boredom killer
3
I think im going to tinker around with this idea. I cant be the hardest build in the world.
4
I like the rapid fire part, thats cool!
5
thats pretty sexy.
6
Yeah, thats cool, but it's really not that hard. I built something near exactly the same as that, its über easy. Just look at it, what you see is what you get, it pretty much shows you how to build it just by showing the video/pictures of it :)
7
I started working on one of those yesterday, after seeing this video. I can get it so that when I pull the trigger, it fires all the rubber bands in the gun at once... I just can't get them to firew one at a time. I need some sort of locking mechanism..... I'll keep working no the concept.
8
Damn... i'cant build it....please someone who does do it send me a tutorial... tnx... email: c2leader@walla.com
9
If somone build one of these guns please send me the construction Tutorial or pleas post a link. I want to build some for my trigger happy sons.
10
here's some other cool lego guns i found. www.brickgun.com
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how to shoot more then one at the time send me email kim_binali@hotmail.com
14
i worked out how to build a rubber band gun... but its smaller: 1. make a "body" for the gun of 2 units down and across and 8 units long. 2. make a handle in any way you like at the back of the gun, normal type reccomended 3. put a thin block poking out the front on top of the front body, that keeps the bands in place 4. change to technic, make a triangle (small) structure. 5. put in two gears, front bigger than back. 6. make sure thos gears are touching though. 7. connect technic bit to guns back using a piece with circles, they fit! 8. load you rubber band with ones half under the frontpiece and another in the back gear cogs. 9. put your thumb the front gear and push. 10. dont forget to point it away from you!
15
Well after seeing the video, I decided to improve my old design (http://ericscomp.homeip.net:8181/1337/rbgun/) and figured out mostly how it works. -bands are loaded onto 14 tooth small gear (16 tooth works too) -this is geared 5:1 with the 40 and 8 tooth gears -this again is geared down 3:1 with the 24 and 8 tooth gears -overall ratio is 15:1, which means your 14 tooth gear will turn 1/15 of a rotation (almost 1 tooth) for every whole turn of the geared-down axle. -a simple locking mechanism can be constructed on the geared-down axel with a sliding upside-down Technic beam with 2 pins in it, 1 hole between the two pins. (+ is pin) oooo+o+oooooo and one of those weird axel-90-degree-pin converter thingys that they give you a lot of but you can never find a use for. It fits nicely between the two pins. oooo+U+oooooo when the beam is pulled back, the tension causes the weird piece to flip around and hit the second pin oooo+//+oooooo and when moved back, it lines back up in between the two. oooo+U+oooooo If you can figure out that much, it doesnt take a genius to make a barrel, handle, and more convenient trigger.
16
some one send me building instructions rewind360@hotmail.com
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[...] So you’ve seen the others, now check out the “ultimate” LEGO rubberband gun. This device shoots an impressive 11-rounds per second . Unfortunately, no other information was provided. Video after the jump. [...]
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[...] Page Summary: This is what you need on your side when the next office battle breaks out. You can leave a response, or trackback from your own site. -a simple locking mechanism can be constructed on the geared-down axel with a sliding upside-down Technic beam with 2 pins in it, 1 hole between the two pins. June 14th, 2006 Deadkenndys1105 I think im going to tinker around with this idea.read more | digg story              [...]
22
I have tried to make that gun and I dont know how.I need to know how to make that cool one.If someone knows how to build that please tell me how did you do it!!!
23
i NEED to know how to make that.its ausome!
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