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Geek Culture / Wooden "gun"

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Cyborg ART
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Posted: 12th Feb 2010 21:38 Edited at: 12th Feb 2010 21:38
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Hi there!

Some of you may know that I am currently in carpentry school, doing furniture etc.
Sometimes we have time over where we can do almost anything we want.

So me and my friend tought we could try to make a wooden "gun", not in the mean to damage or kill. More like a softair gun...

Today we made kind of a prototype, and it works quite well.
Using rubberbands.

Video: http://www.youtube.com/watch?v=XYtaAaj_ah0

But we would like to make something better, with better accuracy and range. And functionality.

For the moment it shoots about 5 meters, but you have to load it manualy from the front.


We are aiming for a "gun" which
-can shoot at least 15 meteres with good accuracy
-can be loaded with more than one projectile, maybe in a magasine
-is made only with wood, rubberbands or springs

We are able to use every machine you can think of, even a CNC machine which takes pieces up to 2,5 x 1,5 meters.
We also have lots of different woods to choose from, but I'd prefer MDF.

Since we can use the CNC we are able to "cut" the pieces with exact precision, industry standard
Which also means that we can make a rifle with lots of details.


So, I wonder if anyone here got any good (or bad) ideas on how to make a cool, non lethal but still accurate "gun"/"rifle" out of wood shooting wood (or something better)

Sketches, ideas, everything...


And please keep it on-topic.

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lazerus
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Posted: 12th Feb 2010 21:49
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Surprisingly i have alot of research on making weapons. / sarcasm / Of course i have designs!

Ill dig them out tomoorow and edit them so they'll work with elastic bands. Though as for effectiveness, im unsure.

Give me a bit to play tommorow.

-Con


http://lazerus-reborn.deviantart.com/
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Lonnehart
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Posted: 12th Feb 2010 22:30
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You could try for a crossbow type design, with the ammo cartridge on top and the gun being gravity fed.

In the beginning there was nothing. There'll be nothing in the end...
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Shadowtroid
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Posted: 12th Feb 2010 23:23
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Gravity fed...I like it.

That was a cool video. You could also do a magazine with a spring, then have a slide, that would both bring another block to be ready AND reload the rubber band. That'd be pretty hard, though...

"And we played the first thing that came to our heads...Just so happened to be... the best song in the world...

it was the best song in the world..."
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Diggsey
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Posted: 13th Feb 2010 00:39 Edited at: 13th Feb 2010 00:39
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I designed a gun



The bullets are light blue, and red lines are elastic bands.

The bullets are pushed up by the elastic bands into the chamber, as soon as each bullet is fired. The block at the top is then pulled back. This block pulls the small green block below it along as well.

The green block has a hinged bar hanging from it which can only rotate up to 90 degrees because of the wood behind it. This means that when it is pulled back, it slides over the bullet, then falls back down behind it.

The top block then springs back to its original position, and the gun is ready to fire. Pulling the trigger releases the bullet (and the small green block pushing it) and the gun will fire. The next bullet will spring up into place.


New DBPro IDE + integrated debugger!

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Lonnehart
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Posted: 13th Feb 2010 05:46
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If that was you loading the gun, I have one suggestion... Never EVER look down the barrel of any loaded gun. You don't know if it might accidentally go off or not.

I've worked with actual guns (actually just the M-16 assault rifle and the M-60 machine gun) and was taught a few safety tips about them, such as not looking directly into the barrel and keeping the thing pointed down unless you're going to actually shoot something.

In the beginning there was nothing. There'll be nothing in the end...
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lazerus
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Posted: 13th Feb 2010 11:37
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Quote: "f that was you loading the gun, I have one suggestion... Never EVER look down the barrel of any loaded gun. You don't know if it might accidentally go off or not.

I've worked with actual guns (actually just the M-16 assault rifle and the M-60 machine gun) and was taught a few safety tips about them, such as not looking directly into the barrel and keeping the thing pointed down unless you're going to actually shoot something."


You get taught that? I thought it was common sense


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Lonnehart
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Posted: 13th Feb 2010 12:09
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I was one of those guys who would actually look into the barrel of a gun. I was also one of those guys who would look past a barrier at a grenade... AFTER throwing it! So yeah... I had to be "taught" that...

In the beginning there was nothing. There'll be nothing in the end...
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Cyborg ART
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Posted: 13th Feb 2010 12:44
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Looks great Diggsey, then it wouldnt be too hard to modify the magazine you you can swap it after emptying it.

I will try to find a gun/rifle which could fit your design.

@Lonnehart

That was my friend, I would never look into a barrel
The problem here is that the barrel is so wide so you can fit two "bullets", so if a "bullet" isn't properly loaded it will be thrown away sideways.

@ Lazerus

Cant wait to see your ideas aswell.

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NeX the Fairly Fast Ferret
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Posted: 13th Feb 2010 12:50 Edited at: 13th Feb 2010 12:50
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*fail* misread

Athlon64 2.7gHz->OC 3.9gHz, 31C, MSi 9500GT->OC 1gHz core/2gHz memory, 48C, 4Gb DDR2 667, 500Gb Seagate + 80Gb Maxtor + 40Gb Maxtor = 620Gb, XP Home
Air cooled, total cost £160
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Keo C
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Posted: 14th Feb 2010 04:27
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I'll take a shot a designing a gun.


Image made by the overworked Biggadd.
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CoffeeGrunt
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Posted: 14th Feb 2010 17:32 Edited at: 14th Feb 2010 17:35
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Here's my quite failed design. You glue a 9V battery to the top of the barrel, connect a switch, and drill the two unconnected wire ends into the end of the barrel. Pack wire wool at the end, and load a tube filled with the explosive of choice, with a round glued to the end...

Electric current flows into the wire wool when the switch is toggled on. Wire wool's electrical resistance causes it to turn red hot, igniting the explosive and firing the round...

-=EDIT=-

Oops, saw the only use wood and stuff rule. Oh well... :/

http://dystopiawipb.blogspot.com/

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MSon
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Posted: 14th Feb 2010 17:43 Edited at: 14th Feb 2010 17:45
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@ CoffeeGrunt: You have wool wire with an electric flow directly in contact with explosives, is it a booby trap gun...


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Shadowtroid
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Posted: 14th Feb 2010 17:52
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If you used it, it would kill someone...But not the person you're shooting at...

"And we played the first thing that came to our heads...Just so happened to be... the best song in the world...

it was the best song in the world..."
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RUCCUS
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Posted: 14th Feb 2010 20:09
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Found these videos in related videos to yours on youtube:

56 shots wooden gun: http://www.youtube.com/watch?v=EGCthretLBk&NR=1
Sub Machine Gun: http://www.youtube.com/watch?v=s9_ONA9hHBE&NR=1
Gatling Gun: http://www.youtube.com/watch?v=XeDXVN52cHI&NR=1

Might help.
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Cyborg ART
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Posted: 14th Feb 2010 20:18
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Quote: "Here's my quite failed design. You glue a 9V battery to the top of the barrel, connect a switch, and drill the two unconnected wire ends into the end of the barrel. Pack wire wool at the end, and load a tube filled with the explosive of choice, with a round glued to the end...

Electric current flows into the wire wool when the switch is toggled on. Wire wool's electrical resistance causes it to turn red hot, igniting the explosive and firing the round...

-=EDIT=-

Oops, saw the only use wood and stuff rule. Oh well... :/
"


Its a good idea, but I guess someone could loose a hand or two if it missfires. And I also bet its quite illegal

@RUCCUS
Saw those, but they only shoot rubberbands if I am not wrong. But if we can't shoot the "bullets" then maybe somthing like this could work.

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MSon
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Posted: 14th Feb 2010 20:31 Edited at: 14th Feb 2010 20:35
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they look good, as does the double gatling gun, (http://www.youtube.com/watch?v=XlwDpZJypTY&NR=1), But things like that take far too long to reload as you need to put a hundred or so elastic bands on, so i'de probably switch from rubber bands to a spring mechanism to fire small items which would be easier to load, you could make this in the shape of something like a shotgun, Cock It to tighten the spring and reload in 1.

Its not just wood as there would be a spring, but then you could use wooden bullets, (Or Metal if you wanted to hurt someone)

Everyone Be Cool, You, Be Cool.
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MSon
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Posted: 14th Feb 2010 20:38
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sorry to double post, but i think this is what you want
http://www.wonderhowto.com/wonderment/yooohooo-homeland-security-fully-functional-paper-shotgun-0113591/

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PAGAN_old
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Posted: 14th Feb 2010 20:48
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my great uncle is a carpenter and he made me a gun once which is based on the same concept as your prototype, exept it actually looks like a real shotgun, uses an aluminium barrel and bungy cords instead or rubberbands which give it a pretty powerful punch. the only thing about it is it wears down the aluminium barrel here ill try to draw the design.

dont hate people who rip you off,cheat and get away with it, learn from them

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lazerus
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Posted: 14th Feb 2010 22:12
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Sorry im taking so long, Its a screw you all its saturday thing

Ive just found a design that would work only with wood and elastic bands so ill upload the modified version tommorow, Its a little too leathal right now so im just downgrading it lol

-Con


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gbark
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Posted: 14th Feb 2010 23:56
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Quote: "too lethal"

NEVER! At the very least, show us how it works in its current state before making it weaker!
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CoffeeGrunt
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Posted: 15th Feb 2010 00:17
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Quote: "Its a good idea, but I guess someone could loose a hand or two if it missfires. And I also bet its quite illegal "


I wasn't saying to build it, only a moron would try that...

http://dystopiawipb.blogspot.com/
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lazerus
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Posted: 15th Feb 2010 00:33 Edited at: 15th Feb 2010 02:59
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@gbark - Too leathal qoute - Id quote it but i forgot it and this is in edit lol.

It shoots steel bolts to about 40m range. Leathality causes limits though, the shaft shattered sending a highly tensed bungie cord along with a metal spikes flying in all directions. That was after the 4th shot though. i got whip lash from the bungie to the face. Just missed my eye, so now i have a little cresent scar just at the top of my check bone.

Ehh it was fun. I can do it carefree and laugh since its my life, but for others well, less to hand tools of the devil to the hands of children.

And I havent sold my soul yet

Yeah so i do have a responsibility not to give out a potentially harmful design to otherwise stated kids, a design that would kill anything it was aimed at for that matter.

So yep im de-leathising it and removing a large part of the design, mainly the the pully system i used it used to gain all that power. I also used a power drill to wind it up, the type to drill through reinforced concrete lol.

My im actually showing a bit of maturity, put a stop to that!

tra la ala la laaa

edit again i hate my stupid grammer


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Shadowtroid
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Posted: 15th Feb 2010 02:30
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Wait...Lazerus? Maturity? Unheard of! Get the paramedics! He's feeling mature!

"And we played the first thing that came to our heads...Just so happened to be... the best song in the world...

it was the best song in the world..."
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MSon
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Posted: 15th Feb 2010 02:46
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The little mans growing up

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Shadowtroid
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Posted: 15th Feb 2010 03:02
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No...I'm not ready for this...I'm forbidding you from growing up!!

*Sob*

"And we played the first thing that came to our heads...Just so happened to be... the best song in the world...

it was the best song in the world..."
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PAGAN_old
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Posted: 15th Feb 2010 03:08
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i was looking into coil guns just now. I got how to make a simple one thats not too powerful, but i think i want to try to make something deadly. I will of course have to do a lot of research first but it would be a cool idea to look into

dont hate people who rip you off,cheat and get away with it, learn from them
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Cyborg ART
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Posted: 15th Feb 2010 08:34
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On topic, gentlemens

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CoffeeGrunt
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Posted: 15th Feb 2010 13:21
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Quote: "i was looking into coil guns just now. I got how to make a simple one thats not too powerful, but i think i want to try to make something deadly. I will of course have to do a lot of research first but it would be a cool idea to look into"


They require huge amounts of energy though, I think it takes somewhere in the region of half an hour to charge the experimental ones...

That's what it said on Future Weapons at least...

http://dystopiawipb.blogspot.com/
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PAGAN_old
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Posted: 15th Feb 2010 14:31
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will the battery out of my moped work? its gonna be a pretty heavy gun.

dont hate people who rip you off,cheat and get away with it, learn from them
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CoffeeGrunt
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Posted: 15th Feb 2010 23:05
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I dunno, the official military test one had a small generator complex charging it up...

Let's put it this way, they're still trying to size down the power consumption just to put it on a battleship, and that's a railgun, they require less energy than a coilgun...

If you get it working though, please YouTube it, I'd love to see something like that...



http://dystopiawipb.blogspot.com/
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lazerus
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Posted: 15th Feb 2010 23:38
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Railgun? that brings back memories, now that was a dangerous whim of mine ^_^"

Made for about £10 and it shot tinfoil plasma another thing that blew up -___-" but it did it spectaculary, capacitors blew up in series after overcharging to 1000v. Ran it on 6 9v batteries in parallel only lasted 2 shots a set, only got 9 shots lol. First 4 failed, blocked up my rails 5 after the break point were fun. I incremented the capacitors charge, the first 4 never had enough power, 5th got about 1ich out. Eventually reached 4 foot on a 90sec charge. 2min blew it up.

I must have been electrucuted a dozen times i lost feeling in my arm everytime lol.

As for the plans, i ripped design off the net and improved it.

Did i mention it was only 4inchs long>?

Ive had a fun childhood in that respect lol


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PAGAN_old
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Posted: 15th Feb 2010 23:48 Edited at: 15th Feb 2010 23:55
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there are tons of rail gun projects out there i found this site while researching http://www.coilgun.ru/ most of these are kindaof weak but there are a couple that have the power of 1000 joules do you think thats powerful enough to do some serious damage? Those ones are multistage coils and they have to be timed with persision, I am sure i can make a simple one, i already started scrapping for parts. I found a 450v copasitor at 150uf, from what i read it would do just fine as these were made to release large bursts of energy very fast (i think i should look for a copasitor with more voltage and less uf). right now i need to figure out how to charge the copasitor without frying it. but if anyone is interested here are some really cool sites i found. http://wiki.4hv.org/index.php/Coil_gun

http://www.angelfire.com/80s/sixmhz/coolstuff2.html

i only found out that these things are real yesturday, Before i thought rail/coil guns were only in scifi games, if i knoew about this sooner, i would have tried building one back in school since we had an electronics shop there that could help me out with this

dont hate people who rip you off,cheat and get away with it, learn from them
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Lonnehart
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Posted: 16th Feb 2010 06:52
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Back on the subject...

How about designing a shotgun type rubberband powered weapon? One that uses sections of a wooden dolley as ammo. I think a pump action shotgun would work. Load ammo in a tube, a mechanism to load the ammo into the breach while at the same time tensioning the rubber band, and finally a trigger to fire it off.

If you build a gun good enough, you could defeat the evil Magneto with it!!!

In the beginning there was nothing. There'll be nothing in the end...
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PAGAN_old
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Posted: 16th Feb 2010 11:19
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HAHA that was so cheezy. But um... you can build a wooden coil gun. Less metal mens less interfearence for the electromagnet.

dont hate people who rip you off,cheat and get away with it, learn from them
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PAGAN_old
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Posted: 16th Feb 2010 14:58
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hey i got another cool concept. this one works for round balls (bbs) only but it involves the acceleration of the bb with 2 electrical motors. Or to expand on theidea you hac have 2 or three pairs each one going faster than the one before it see attached pic

dont hate people who rip you off,cheat and get away with it, learn from them

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Errant AI
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Posted: 16th Feb 2010 15:15
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Gravity feed for the magazine might be a good bet. You could build similar to a Chinese repeating crossbow (http://www.youtube.com/watch?v=UYgbKi4SX5M) to keep all wood but maybe a modern twist with the tools you have access to. I would recommend surgical tubing in lieu of rubber bands.
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Lonnehart
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Posted: 17th Feb 2010 00:16
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Rather than having that crossbar on the crossbow, I prefer to use a piston made of a wood dolley along with ammunition made from the same sized dolley. The rubber band could run from the front of the gun towards the back so that you have enough power to push your wooden dolley bullet out of the barrel. The barrel would have to be short so the friction within the barrel doesn't slow your bullet down. That's my take on it anyway...

You should also round the front end of the bullet so that it's rounded.... easier for the thing to go through the barrel.

In the beginning there was nothing. There'll be nothing in the end...
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Cyborg ART
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Posted: 17th Feb 2010 18:00
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@papgan

Could maybe work on other stuff than BBs too

@EAI

Thats a pretty cool crossbow I dont have any surgical tube, but I have 20m of 6mm elastic rope which got a lot of power.

@Lonnehart

Almost the same as our prototype

We have found a spring for an airsoft shotgun which I think could give some power needed, if we decide to use spring insted of rubber band or similliar.

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