Miniature Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Posted in Combustion Cannons
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm » in Combustion Cannons
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I've been wanting to get in some spud shooting action this fall before the weather got cold. I know it's been a while since I filmed anything for...

Last post

thank you for creating this website is there anything i can do to help
15 Replies

569061 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm

Topics

Mag-lite High Velocity Launcher

Last post by sagthegreat
Replies: 18
by sagthegreat » Wed Aug 08, 2012 11:22 am
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Hi, This is my Mini Mag-Lite Coaxial gun.

Specs
.177 steel bb/pellets
600 fps as per the soda can chronograph
Plastic/Rubber Piston
So far only 200...

Last post

Ok I have a few questions, I made the barrel that is 6 inchs long, and want to extend it to 12 inches, is there a way to do it without tearing out...
18 Replies

11276 Views

Last post by sagthegreat
Thu Nov 08, 2012 5:11 pm
Mini cannon/L.E.D. Launcher

Last post by jackssmirkingrevenge
Replies: 6
by Ronin » Tue Sep 11, 2012 11:50 am

First post

In the past I have made tennis ball soup can launchers.and modified to make noise(no projectile)soldering large metal funnels or larger cans at the...

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No one's pulled him up on using O 2 in a plastic launcher though?

I did here , to no avail it seems.

6 Replies

5236 Views

Last post by jackssmirkingrevenge
Wed Sep 12, 2012 1:15 am
Breath powered pneumatic pen gun?

Last post by jackssmirkingrevenge
Replies: 2
by PaperNinja » Wed Aug 15, 2012 10:27 am

First post

I had this idea to optimize simple pen-blowguns which would be to simply add a piston valve so your breath is at it's full pressure before it blows...

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Force = Pressure x Area.

Pen tubes are tiny, so they have a small area, so for a large force, you want high pressure.

The human body can supply...

2 Replies

3689 Views

Last post by jackssmirkingrevenge
Thu Aug 16, 2012 12:57 am
"Lempo" pneumatic ballistic knife

Last post by jackssmirkingrevenge
Replies: 117
by jackssmirkingrevenge » Mon Oct 17, 2011 1:20 pm
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Version 2 of my pneumatic ballistic knife using the same concept but with more attention to detail and most impressive of all, a fantastic dagger...

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That looks like it stuck into the wood very well. Have you measured how fast it goes.

Never bothered chronying it to be honest, it's not exactly...
117 Replies

58790 Views

Last post by jackssmirkingrevenge
Thu May 31, 2012 12:30 am
A short question

Last post by Brian the brain
Replies: 14
by Packols » Mon Mar 12, 2012 9:10 am

First post

is it ok to use a co2 bike refile with a mini pen gun if so will it be more powerful

Last post

Fill it up completely with water and find out.

If it pops it will pop with less energy.
Hiding behind a sheet is still a good idea.

And so it...

14 Replies

7731 Views

Last post by Brian the brain
Tue Mar 13, 2012 1:15 pm
ARGHHH Pistons

Last post by sharpshooter11000
Replies: 18
by sagthegreat » Sat Feb 18, 2012 12:15 pm
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I am currently building a Pneumatic Pen Gun, and have been browsing the forum. I was wondering If anyone would like to tell me what i should make the...

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There is an optimal length for all barrels. If you have a really short barrel it will be inefficient, if it's too long it will have too much friction...
18 Replies

13030 Views

Last post by sharpshooter11000
Wed Feb 29, 2012 6:59 pm
Stainless Steel Pen Gun - First Pneumatic :)

Last post by killerbanjo
Replies: 11
by killerbanjo » Wed Feb 08, 2012 12:17 pm

First post

EDIT: Ignore the shooting video, ive tested it with a snugger projectile and power is much greater. Can easily go right through 2 drinks cans and...

Last post

Dont ye make fun o the kernow people now!

11 Replies

9405 Views

Last post by killerbanjo
Sun Feb 19, 2012 12:44 pm
Pneumatic Pen Gun Help

Last post by killerbanjo
Replies: 18
by sagthegreat » Thu Feb 16, 2012 5:25 pm
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I am making a penumatic Pen Gun and need some help, No matter what I do my piston wont seal the barrel, I am open to all suggestions thanks. :P

Last post

Looking forward to it, good luck. :)
18 Replies

11268 Views

Last post by killerbanjo
Sat Feb 18, 2012 11:03 pm
Help plese

Last post by Packols
Replies: 2
by Packols » Fri Feb 10, 2012 11:24 am

First post

2 days ago i make a pneumatic pen gun using plastic pen for the body and the eraser and a piece of rubber for the piston for the shredder valve i use...

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thank man is it good for me to make the piston out of glue gun and i think to make one out of a copper pipe i wonder if i put the glue gun in and let...

2 Replies

3454 Views

Last post by Packols
Sat Feb 11, 2012 7:19 am
I want to buy a pnumenic pen gun

Last post by Packols
Replies: 11
by Packols » Sat Feb 04, 2012 8:30 am

First post

I want to buy a strong one and please tell me the price to. By the way I live in Thailand to Plz send to Thailand.i can pay by PayPal. It's hard to...

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aprosimatly how many psi it can hold and if i use a super lube its like a lubricant would it be better this is the picture

is it ok to use a rubber...

11 Replies

7508 Views

Last post by Packols
Mon Feb 06, 2012 7:01 am
Mini PAC Full Auto

Last post by Petitlu
Replies: 18
by Petitlu » Thu Jan 26, 2012 12:32 pm
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When I got up this morning I remembered that I had one pop off and I started to do a mini running in full auto 10bar
I finished this evening, I met...

Last post

:D

he was 10 years!
he also wants a stick ...
18 Replies

13570 Views

Last post by Petitlu
Sat Jan 28, 2012 6:45 am
new mini

Last post by Gun Freak
Replies: 6
by urgle the danish cow » Sun Jan 22, 2012 6:43 pm

First post

i havent made a mini in a very long time and i want to get into pen guns so i thought id start with a prototype.

main tube 1/2 inch copper.
caliber...

Last post

You can use fine grit sandpaper...

6 Replies

5140 Views

Last post by Gun Freak
Mon Jan 23, 2012 6:43 pm
My first "spud gun"

Last post by Proxywars
Replies: 11
by Proxywars » Sun Jan 15, 2012 3:12 am

First post

Here's my gun. It fires bb's, spitballs, and food =). Very ghetto =p. I'ma get my fish food can as it is a big container that's fits in my hand so I...

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I found out combustion guns are illegal here in cali I'll go work on my pneumatic pen gun.

11 Replies

6571 Views

Last post by Proxywars
Mon Jan 16, 2012 2:31 pm
Is this safe while using butane based aerosol?

Last post by Proxywars
Replies: 12
by Proxywars » Sun Jan 15, 2012 9:56 pm

First post

Title says all =p

Last post

Sounds good I'll hit up lowes one day haha

12 Replies

8173 Views

Last post by Proxywars
Mon Jan 16, 2012 4:24 am
Help with mini valve gun

Last post by Proxywars
Replies: 42
by Proxywars » Mon Jan 09, 2012 2:30 pm
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I'm thinking of making this.

I will need:
1/8 in id brass pipe
hot glue
soft rubber
1 small screw
1 small nail
epoxy
8mm ID pipe
Shrader valve...

Last post

Please delete my gun will not work.
42 Replies

20630 Views

Last post by Proxywars
Sat Jan 14, 2012 3:27 pm
Clear Mini Hybrid (8mm Barrel)

Last post by mark.f
Replies: 46
by pneumaticcannons » Fri Nov 04, 2011 11:40 am
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I'm sorry GunFreak....... I've joined the dark side :D

So I finally got everything I needed to actually fire off some shots with my mini today. I...

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lol Mark.. I am using the same thing he is!! I am almost done in fact!! I even fabricated my own TINY schrader valve for it!!

Just saiyan, if...
46 Replies

25983 Views

Last post by mark.f
Mon Dec 19, 2011 11:42 pm
my mini spud gun

Last post by paul360
Replies: 6
by paul360 » Fri Nov 11, 2011 12:41 pm

First post

did somebody saw smaller spud gun with gas system?

Last post

Very very nice, welcome to Spudfiles. Is that a paint by numbers container you used for the chamber? Looks like it. :D yes it is :D

6 Replies

5689 Views

Last post by paul360
Sun Nov 13, 2011 7:56 am
valveless pellet gun

Last post by pneumaticcannons
Replies: 75
by jackssmirkingrevenge » Thu Jun 21, 2007 11:19 pm
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This is an idea I had a while back, which was to dispense with the valve altogether and use the projectile to seal the air chamber, locked in place...

Last post

a device than cannot really be aimed
I sniped a can with mine from 20ft :D
good luck on the pen gun tho+ making you're knives pretty(a skill i do...
75 Replies

48919 Views

Last post by pneumaticcannons
Fri Oct 21, 2011 1:44 am
Prototype-Silent Ballistic Knife

Last post by pneumaticcannons
Replies: 9
by pneumaticcannons » Sun Oct 16, 2011 9:52 am

First post

I think I'm getting obsessed with using plastic in hap launchers lol...
Inspired by jsr's ballistic knife i thought id make my own version...of...

Last post

thanks guys for the positive support. Just wanted to post this so people who have already seen this post don't just skip past a video they that they...

9 Replies

6644 Views

Last post by pneumaticcannons
Mon Oct 17, 2011 4:47 am
smallest ever 3/4" pneumatic

Last post by mattyzip77
Replies: 17
by jackssmirkingrevenge » Thu Aug 09, 2007 1:00 am
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Following on the success of my pneumatic pengun project , here's my latest high pressure mini coaxial :D

Ok, so it's actually the round for my...

Last post

That thing is awesome man. With a longer barrel and perhaps larger chamber that thing could slice bricks in half (not actually). You must be good...
17 Replies

14619 Views

Last post by mattyzip77
Sun Aug 21, 2011 9:10 am
Machined pengun - Dimply

Last post by LeMaudit
Replies: 446
by LeMaudit » Fri Jun 10, 2011 3:00 pm
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Hi guys,

Here's my very first pneumatic project, following a design JSR was kind enough to help me design and approve.
(guess who's fault it will...

Last post

Here's my best try.

The rubber washer could be replaced by a o-ring... but I feel this will have more chances not to be ripped-off by the air flow...
446 Replies

138995 Views

Last post by LeMaudit
Sun Aug 07, 2011 9:36 pm
.357 idea.

Last post by warhead052
Replies: 9
by warhead052 » Sat Jul 09, 2011 10:44 am

First post

I have a couple .357 magnum shells, and I my friend has a .357 revolver. My idea, which has been put to use in a different gun, is a coaxial mini,...

Last post

Ok. Makes sense. Well I have an idea. I just need to figure out how to make hammer valves. Cartridge + bolt action + hammer valve = semi auto rifle.

9 Replies

5364 Views

Last post by warhead052
Sat Jul 09, 2011 12:52 pm
First mini.

Last post by warhead052
Replies: 2
by warhead052 » Thu Jul 07, 2011 4:40 pm

First post

I know, this is a common cannon, but it was put together in 10 minutes so its ok with me. Butane and airsoft bbs are the main fuel and ammo....

Last post

Haha, this was pure ghetto. I had everything.

2 Replies

3227 Views

Last post by warhead052
Thu Jul 07, 2011 5:46 pm
is it a pen or a gun?

Last post by ilovefire
Replies: 41
by ilovefire » Tue Aug 10, 2010 7:04 pm
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its a gun! this is my pen gun i made from a broken Parker pen, it looks just like it did before i started except the part when you push the button it...

Last post

or ebay...
41 Replies

19835 Views

Last post by ilovefire
Sat Apr 23, 2011 1:38 am
nerf gun bullets

Last post by chinnerz
Replies: 4
by nerfnerd111 » Mon Feb 21, 2011 8:23 am

First post

hey guys asking for some ideas for homemade nerf gun bullets for my new homemade cannoc. please reply. i know that nerfisnt really welcome in...

Last post

Get foam:

Send informer a PM asking if he can send foam to where you live.

Do this when you get it:

enjoy.

4 Replies

5569 Views

Last post by chinnerz
Thu Feb 24, 2011 3:54 am

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