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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

1201433 Views

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

Last post by mrfoo
Replies: 152
by dewey-1 » Tue Mar 24, 2009 12:12 pm
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First post

Over the last year I have made a lot of CAD drawings for
Pneumatic Launchers.

I have imported several of them into Sketchup format.
Here is the link...

Last post

Bollocks. Dewey put them out in the hope that, and I quote

some of you can make use of these!

There's absolutely nothing wrong with using them,...
152 Replies

626403 Views

Last post by mrfoo
Mon May 20, 2024 11:17 am
Solvent Welding Course Recommended For ALL

Last post by Technician1002
Replies: 46
by sgort87 » Fri Aug 04, 2006 8:18 pm
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First post

Originally posted by DR on the Spudtech forums:

IPEX Solvent Cements ONLINE Course can be found here:

It is recommended that you download and...

Last post

Your earlier post about just scoring the surface, has me wondering if that is why OATEY makes a brush tool that scores the inside of a fitting, and...
46 Replies

336543 Views

Last post by Technician1002
Thu Dec 02, 2010 5:04 pm

Topics

this might be a silly question but...

Last post by beergut
Replies: 25
by beergut » Sun Dec 31, 2006 8:04 am
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I was drawing up a parts list for my hybrid last night and I got to thinking...

The pressure should only get as high in the combustion chamber as it...

Last post

I understand what you are saying... Which is why I was wondering what the velocity of acetylene (combustion) is... If I recall from my military demo...
25 Replies

6541 Views

Last post by beergut
Wed Jan 03, 2007 6:15 pm
Blowgun psi rating.

Last post by frankrede
Replies: 8
by M3NT4L » Sun Jul 30, 2006 11:52 pm

First post

Im BIG when it comes to safetyand i busted my ass making a sch40+ cannon who's chamber psi rating is 260 (every other part in the cannon is rated...

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Dont ask for plans, we dont like that.
Read up in the spudwiki at te tip of the page and design your own or go to the how to section of the forum.

8 Replies

2251 Views

Last post by frankrede
Wed Jan 03, 2007 12:18 pm
Super Quick Exhaust Valve

Last post by nicholai
Replies: 8
by therian » Sun Dec 31, 2006 11:47 pm

First post

Hi . Im building my second pneumatic rifle and thought of using QEV for it, but i found something what sound much better Super Quick Exhaust Valve !...

Last post

yeah, those ones from mcmaster are also a lot cheaper than those ones and are made from the same manufacturer. I bought a butt load of them :)

8 Replies

4678 Views

Last post by nicholai
Tue Jan 02, 2007 9:32 pm
Heat Bent Handle

Last post by Deko
Replies: 11
by sjog » Mon Jan 01, 2007 12:30 pm

First post

IMG_0059_1.JPG PCGUY was nice enough to post two guns for me ,the blue one has heat bent handle.
I wanted some curves on a gun just to be...

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sweet handles im gonna do my best to make some but i doubt i could ill probally screw it up :?

11 Replies

5709 Views

Last post by Deko
Tue Jan 02, 2007 2:12 pm
hybrid probs

Last post by mark.f
Replies: 6
by zeigs spud » Fri Dec 29, 2006 9:40 pm

First post

i made a simple cheapo hybrid but idk wht to make my brust disk from. whenever i put it in it rips or breaks.

Last post

It all depends on the surface area of the burst material exposed to the pressure. What size union are you using?

6 Replies

1803 Views

Last post by mark.f
Sun Dec 31, 2006 10:59 pm
Pneumatic CB Ration

Last post by keep_it_real

by keep_it_real » Sun Dec 31, 2006 8:47 pm

Dunno if this has been said (well I know it's been said but maybe not this way) but here's how i calculated it. I'm not positive if it works like I...

0 Replies

2201 Views

Last post by keep_it_real
Sun Dec 31, 2006 8:47 pm
New Materials

Last post by Canuckicks
Replies: 5
by ƒlying$pud » Sat Oct 29, 2005 4:10 am

First post

Hey fellas, just wondering if it would be possible or if u know of any1 who instead of making a cannon from pvc or abs made one fom fibreglass or...

Last post

I know this post is old but there is another reason NOT to make a cannon from carbon fibre, when it breaks it breaks and the super sharp pieces would...

5 Replies

3204 Views

Last post by Canuckicks
Sun Dec 31, 2006 8:06 pm
Safety Valve

Last post by Hotwired
Replies: 10
by MrPotatoHead » Fri Aug 11, 2006 12:48 pm

First post

I am building my second launcher. It is another pneumatic. The chamber consists of a end cap and a sleeve that actually but up to one another, so the...

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Yes if the inner pipe expands a little under pressure so it presses against the outer pipe the outer pipe can help deal with the force.

The tighter...

10 Replies

3076 Views

Last post by Hotwired
Sun Dec 31, 2006 3:36 pm
Valve on Talon ss.

Last post by frankrede
Replies: 6
by Benny » Sun Jul 02, 2006 3:33 am

First post

Does anyone know how the valve on the talon ss works?
this it the talon ss:

Last post

Oh yeah! Thanks, those brasss eagles are cheapo fun though

6 Replies

1462 Views

Last post by frankrede
Sun Dec 31, 2006 12:57 pm
New member... Not as high-tech as a lot of you... :(

Last post by Infernal2
Replies: 29
by Tango » Sun Dec 24, 2006 1:46 pm
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Hey everyone,

I just joined the site. I'm not as big-league as most of you, as I only shoot the traditional ammo that the gun was named after, but...

Last post

LOL, I hope not. I have seen the video. Nothing really big to be honest. I accidentally executed a squirrel with my balista one day. He was hanging...
29 Replies

9476 Views

Last post by Infernal2
Sat Dec 30, 2006 11:12 pm
Where to get a flint sparker

Last post by frankrede
Replies: 2
by Canuckicks » Sat Dec 30, 2006 9:17 pm

First post

This is such a stupid question and i will most likely be yelled at but i need to know where to get a flint lantern sparker (i live in canada) I have...

Last post

Walmart/Sporting Goods/Laterns/Hanging on a hook/end of file.

2 Replies

1268 Views

Last post by frankrede
Sat Dec 30, 2006 10:21 pm
Basic Question

Last post by nicholai
Replies: 11
by Lycan » Fri Dec 29, 2006 4:47 pm

First post

Okay, so instead of sifting through the 18 results pages for the item I searched for, I'll just take a chance of getting yelled at...

Where can I...

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thanks for saving me the explanation mark :D

11 Replies

3620 Views

Last post by nicholai
Sat Dec 30, 2006 8:41 pm
Sleeving Pipe

Last post by MrCrowley
Replies: 12
by medievalman » Fri Dec 29, 2006 10:35 pm

First post

i am going to make a buzooka style combustion launcher, and i have two ?'s:

what should i sleeve 2in. PVC in?

what should i sleeve 1 1/2in. PVC...

Last post

Look at the other 'bazooka' style guns on here and find out how they made it.

12 Replies

2418 Views

Last post by MrCrowley
Sat Dec 30, 2006 3:15 pm
The best fittings?

Last post by frankrede
Replies: 23
by SpudStuff » Tue Dec 26, 2006 7:02 pm
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I have hears people make referances to the best fittings. I choose my fittings based on mold marks, socket tolerance, and overall apperance. I perfer...

Last post

If fittings were individually tapped/die'd they would cost alot more.
23 Replies

9736 Views

Last post by frankrede
Sat Dec 30, 2006 2:20 pm
Hi everyone, new guy with cannon pics

Last post by beergut
Replies: 17
by beergut » Fri Dec 29, 2006 7:09 pm
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Hi guys!
So, I've been reading the forum and I'm real impressed with some of these cannons! I'm 33 and I've built maybe 3 or 4 cannons in the past...

Last post

I'm not sure I understand what the spark has to do with igniting the air / fuel mixture in a hybrid? Once it's lit... it's lit. I would think any...
17 Replies

6520 Views

Last post by beergut
Sat Dec 30, 2006 6:53 am
Big Gun Video

Last post by skinner
Replies: 8
by medievalman » Fri Dec 29, 2006 5:20 pm

First post

I'm not sure if this is against the rules, but i found this video and thought it was pretty cool. BUT DONT TRY THIS!

Last post

Man, that is extreme!

8 Replies

2777 Views

Last post by skinner
Fri Dec 29, 2006 11:09 pm
how many shots ?

Last post by SpudBlaster15
Replies: 5
by jrrdw » Thu Jan 19, 2006 6:11 pm

First post

how many shots can the normal computer fan take before the fuel and cumbustion ruin it? on the average?

Last post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

5 Replies

2678 Views

Last post by SpudBlaster15
Fri Dec 29, 2006 10:59 am
Accurate marble ammo

Last post by Deko
Replies: 23
by ProfessorAmadeus » Wed Dec 20, 2006 6:34 pm
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For all you people on spud files that have marble guns, you know how inaccurate they can be. This tutorial will show you have to make a simple much...

Last post

this is a great ammo i just got around to making one of these today and its really accurate

it reminds me alot of a bottle rocket...
23 Replies

10173 Views

Last post by Deko
Thu Dec 28, 2006 11:40 pm
Firstie

Last post by MrCrowley
Replies: 8
by cdfeto » Thu Dec 28, 2006 12:00 am

First post

Hey I'm new to all this (forum, canons, guns,...) but am very willing to built my own rig.

I've read a few post and the wiki and all ... but i...

Last post

Combustions are really only reliable when you use metered propane/mapp, since this guy wants a simple gun I doubt he would use metered propane or...

8 Replies

2128 Views

Last post by MrCrowley
Thu Dec 28, 2006 2:55 pm
right paint

Last post by experament-u2
Replies: 9
by experament-u2 » Wed Dec 27, 2006 7:23 am

First post

ok iv made a new gun and i want to paint it but i cant find anywere that sells fusion here in australia so wat could i use that wouldent rub off and...

Last post

frankrede this is the gun im goin to paint it now has a bipod and a scope

9 Replies

2344 Views

Last post by experament-u2
Wed Dec 27, 2006 11:36 pm
What i just read that ATF said !(help you get out of trouble

Last post by paaiyan
Replies: 3
by Psycodrew » Sun Nov 19, 2006 2:07 pm

First post

ATF -- Yes, they are legal.
Department of the Treasury
Bureau of Alcohol, Tobacco, and Firearms
Washington, DC 20226
As defined in section 921(a) (3)...

Last post

Sweet, so they are legal. As for giving it to parents, my dad's right there with me, haha.

3 Replies

3065 Views

Last post by paaiyan
Wed Dec 27, 2006 10:24 pm
homemade mini co2 tanks.

Last post by Flying_Salt
Replies: 65
by djt » Sun Jun 25, 2006 1:00 pm
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all this talk about using those mini co2 tanks that you buy for filling a chamber has got me thinking. you could just get a small piece of metal pipe...

Last post

they do here. Its near the front of the store.

What store and how much is it normally?
65 Replies

19029 Views

Last post by Flying_Salt
Wed Dec 27, 2006 9:17 pm
Spring cannon.

Last post by Bluetooth
Replies: 1
by Spyider » Wed Dec 27, 2006 1:26 pm

First post

i was thinkin of making a gun not sure what fore yet though but itd be powered by springs. put like a fishing real type thingy to crank it back and...

Last post

I've tried it for nerf darts. What do you plan to shoot and how big? For the trigger I used a simple lever type thing with rods that the levers can...

1 Replies

729 Views

Last post by Bluetooth
Wed Dec 27, 2006 1:51 pm
For Those of You Electrically Gifted, (I'm Not!)

Last post by mark.f

by mark.f » Wed Dec 27, 2006 8:14 am

I've been looking into electrical ignition systems for the past few days to help a buddy of mine out. I was considering a few circuit designs. First...

0 Replies

1759 Views

Last post by mark.f
Wed Dec 27, 2006 8:14 am
The best pipe?

Last post by mark.f
Replies: 13
by SpudStuff » Tue Dec 26, 2006 7:09 pm

First post

I have hears people make referances to the best pipe. I choose my pipe based on internal smoothness, outer diameter tolerance, and color. I perfer JM...

Last post

Charlotte, because their Tru-Fit system makes certain occasions with pipe not fittings into sockets non-existent.

13 Replies

5329 Views

Last post by mark.f
Wed Dec 27, 2006 7:19 am

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