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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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First post

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

650150 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

384275 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

200201 Views

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

Topics

pressure rating

Last post by boilingleadbath
Replies: 6
by b-nice » Mon Sep 12, 2005 7:23 pm

First post

would a 4'' * 24'' chamber be to much to use nsf-dwv fittings

Last post

Tecnicaly, it's not - NSF-61 only rates for health effects.
However, the construction of them is robust and the socket lengths long, so it should be...

6 Replies

2802 Views

Last post by boilingleadbath
Sun Mar 05, 2006 4:49 am
car tire valve

Last post by taz22
Replies: 3
by taz22 » Sat Mar 04, 2006 4:05 am

First post

heey does any1 knows what size the thread is of a car tire valve??? thnx :?: :?:

Last post

ok thnx :P so i think the thread is m6 thnx all

3 Replies

1606 Views

Last post by taz22
Sun Mar 05, 2006 2:26 am
Possible Ignition Source

Last post by The High Plainsman
Replies: 6
by spudzinger » Thu Feb 02, 2006 6:34 pm

First post

Hey, I just had a brain fart.LOL. Excuse me.Anyways I thought maybe you could use a standard small engine spark plug. Like one from a lawn mower. You...

Last post

if you pull a spark plug out of a mower and leave it attached to the magnetic stuff and the pull string, i see no reason it wouldnt spark.

6 Replies

2875 Views

Last post by The High Plainsman
Sun Mar 05, 2006 1:40 am
Gatling Gun

Last post by dragon finder
Replies: 15
by saladtossser » Thu Jul 07, 2005 12:44 pm
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***UPDATE***

going to look like a beaut when its done with a satin black paint job. going to have 6 barrels, it will be longer later.

but still a...

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But this isn't about bb machine guns or spud guns. Also I didn't want to post a topic about something I havent done in a general spud cannon related...
15 Replies

9198 Views

Last post by dragon finder
Sat Mar 04, 2006 11:45 pm
regulator mod?

Last post by Brian the brain
Replies: 2
by Brian the brain » Sat Mar 04, 2006 1:48 am

First post

Is it possible to mod a regulator to regulate to higher pressure than intended?

I got one that regulates down to 10 bar and I would like to get it...

Last post

Would I need a stronger spring or a weaker one??
Cause if I need a stronger one I could also ad a washer to tighten up that spring...

At least your...

2 Replies

1537 Views

Last post by Brian the brain
Sat Mar 04, 2006 2:25 pm
Burst Disk or Ball valve

Last post by Rambo
Replies: 15
by rsgpit » Mon May 30, 2005 5:20 pm
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I was about to go get materials for a ballvalve cannon, but just made a mini burst disk cannon out of a 1liter gatorade bottle and bikepump(shoots...

Last post

I suppose that the ball valve can take a lot more preshure then any other valve and if I open it with O2 and petrol in a piston...
15 Replies

7162 Views

Last post by Rambo
Sat Mar 04, 2006 3:50 am
H2O2 Pot.Permangenate? - I can't be the only one

Last post by cardinals08
Replies: 8
by Ahab » Thu Mar 02, 2006 6:17 pm

First post

Hi peeps - new member on the forum.

I have just clicked the link to the forum after rediscovering spud gunds while boredly reading wiki.

I built...

Last post

You could use that for a pneumatic if you get enough steam.

8 Replies

3532 Views

Last post by cardinals08
Fri Mar 03, 2006 10:24 pm
O-rings

Last post by boilingleadbath
Replies: 15
by K40T1C » Thu Mar 02, 2006 8:00 pm
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Why do people insist on using O-rings in their pistons....

Oh wait how can I be so stupid... they make an airtight seal...

Correction... How can...

Last post

.003 is fairly easy, ok? I'v done it a few times before, so I know from experience. Keep in mind that this is a fairly old lathe that my dad got on...
15 Replies

6047 Views

Last post by boilingleadbath
Fri Mar 03, 2006 4:47 pm
co2

Last post by Brian the brain
Replies: 14
by pyromanic13 » Tue Feb 28, 2006 10:55 pm

First post

instead of buying a regulator for useing co2 why not just use a safety pop of valve (15 bucks) instead?

Last post

Just mount a manometer( pressure gauge) and stop filling at the desired pressure...how difficult can that be???

14 Replies

4995 Views

Last post by Brian the brain
Fri Mar 03, 2006 3:08 pm
Mounting schrader to endcap

Last post by TfAv1228
Replies: 11
by crcowboyfan » Tue Feb 28, 2006 9:36 pm

First post

What is the best way to go about mounting a schrader valve to an endcap? The valve I got is unthreaded and just has a round fat rubber ball at the...

Last post

so assumeing you had metal threads on it the pvc is strong enough to just screw it in to? meaning making your own threads. I'm about to install one...

11 Replies

4521 Views

Last post by TfAv1228
Thu Mar 02, 2006 11:00 pm
I know its a long shot...

Last post by pyromanic13
Replies: 7
by pyromanic13 » Wed Mar 01, 2006 6:43 pm

First post

does any one have a table for 16 gram co2 cartriges?

Last post

ya thats why I said its a long shot, the reason I want to use 16 grams is because for some reason they're cheaper at the bike shop and I like how I...

7 Replies

2781 Views

Last post by pyromanic13
Thu Mar 02, 2006 10:39 pm
painting a spud gun

Last post by HAYLO_Stealer
Replies: 2
by nicholai » Tue Feb 28, 2006 11:38 pm

First post

dont get me wrong, i love krylon fusion, but ive totally switched to this kick ass deal i got at home-cheapo.

the pic here is when i got it new, its...

Last post

when i pint my cannon i use enamal paint with my small air brush and make mine unique. Also spud gunningisnt my only hobby that uses a airbrush. if...

2 Replies

1240 Views

Last post by HAYLO_Stealer
Thu Mar 02, 2006 10:36 pm
Valve question

Last post by Shrimphead
Replies: 6
by Hatheg-Kla » Thu Mar 02, 2006 1:20 pm

First post

So I'm getting ready to build my first pneumatic and I'm trying to figure out what valve to use. I'm building an over under type (not coax) and was...

Last post

Nope. That is just a piston valve. Quick Exhuast Valves are manufactured by companies such as Goyen.

6 Replies

2791 Views

Last post by Shrimphead
Thu Mar 02, 2006 7:48 pm
Spring Piston Bolt.

Last post by dragon finder
Replies: 7
by Atlantis » Tue Feb 28, 2006 8:48 pm

First post

I may have seen this somewhere else but I have an idea for it. The pin that sticks out the back could be used with a trigger to hold it back and...

Last post

Creative
Check out my gatling gun idea
please post on it if you got an idea for it

7 Replies

3570 Views

Last post by dragon finder
Wed Mar 01, 2006 8:42 pm
makin an air rifle in australia

Last post by Shrimphead
Replies: 8
by Aaron ????? » Sun Mar 27, 2005 2:16 am

First post

would i be able to mafe an air rifle with the parts in australia ?
ive made a marble gun with a detachable barrel 4 pellets but it is weak

HELP ME

Last post

Hey the original damo dude, did you realize that this topic is like 8 months old?!!?!??!?!?!!?

8 Replies

3856 Views

Last post by Shrimphead
Wed Mar 01, 2006 7:26 pm
Pill Bottle Ignition Question

Last post by dragon finder
Replies: 24
by Bedo » Sun Feb 19, 2006 2:00 pm
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I have seen some pill bottles that directly inject butane with a regular lighter. I thought that was cool so i started to make one. One thing that...

Last post

My mini sux it fires 2 out of about 20 tries I used it with hair spray before and worked great but then I tried butane from a lighter I will probubly...
24 Replies

9466 Views

Last post by dragon finder
Wed Mar 01, 2006 5:09 pm
Hybrid Question

Last post by jrrdw
Replies: 1
by PyroManiac.666 » Wed Mar 01, 2006 5:12 am

First post

Hi, OK I actually have a couple questions. #1 What exactly does the 2x 3x 4x mix stuff for hybrids mean? Is it how many times more fuel AND air, and...

Last post

Interchangeable cannon, i like that idea! As for your hybrid questions try spud wiki. I would like to see a good detailed drawing of the 3 in 1,...

1 Replies

1233 Views

Last post by jrrdw
Wed Mar 01, 2006 7:12 am
Finding Rubber Sheet

Last post by dragon finder
Replies: 5
by Atlantis » Wed Feb 22, 2006 1:35 am

First post

I'm having trouble finding anything rubber that I can use in a pneumatic cannon. Does anyone know of anything I could strip it off of or where to buy...

Last post

Pond supply stores have that stuff(maby not all of them) I have been wondering where to get that stuff.......cool

5 Replies

1947 Views

Last post by dragon finder
Wed Mar 01, 2006 12:28 am
Pipe Inner Diameter

Last post by Atlantis
Replies: 5
by Atlantis » Sun Feb 26, 2006 5:35 pm

First post

I'm trying to make a piston for my next cannon. All I have laying around to test fit it is a chunk of 3 NSF-dwv pipe. I was wondering if this has the...

Last post

Thank you window, because I found a lot of cans that fit perfectly in this pipe. As for cowboyfan, I said and I quote my self, to test fit. I have...

5 Replies

2113 Views

Last post by Atlantis
Tue Feb 28, 2006 8:57 pm
How do you connect a brass ball valve to pvc pipe?

Last post by reaper613
Replies: 4
by crcowboyfan » Mon Feb 27, 2006 9:08 pm

First post

Like the title says, how do you connect a brass ball valve to pvc pipe? Is it threaded, or do you use some sort of glue?

Thanks

Last post

take it back and get a pvc valve

4 Replies

7217 Views

Last post by reaper613
Tue Feb 28, 2006 1:24 am
Advanced pneumatic question

Last post by Brian the brain
Replies: 2
by Brian the brain » Mon Feb 27, 2006 3:16 pm

First post

I would like to try and set a new pressure standard on homebuilt pneumatics.I'll soon get my CO2 bottle .I plan to build a strafer (cal depending on...

Last post

THe seal consists of a rubber hose( I was thinking of medical tubing) over a metal pipe.THe pressure pushes the hose onto the pipe and thus it can't...

2 Replies

1886 Views

Last post by Brian the brain
Mon Feb 27, 2006 6:52 pm
Thunderpipe FX-1

Last post by Shrimphead
Replies: 30
by Temple » Mon Feb 20, 2006 10:28 am
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Ok this is a question on how to ask a question.

How do I ask a how they did something with out getting in trouble?

Specificaly related to the...

Last post

Thanks Temple. My friends and I are into making movies, and with some connections we have, we can make pretty good looking ones. This could make them...
30 Replies

13083 Views

Last post by Shrimphead
Mon Feb 27, 2006 5:33 pm
Piston valve trouble

Last post by Shrimphead
Replies: 5
by Mini Khan » Mon Feb 27, 2006 12:20 am

First post

My piston valve makes a seal but it doesn't activate when I open the 1/4 ball valve at the end of my 4 diameter x 9 foot long cannon. I think the...

Last post

I think the problem is the primary chamber before the piston is the only chamber filling up

I think that he's saying that only the pilot is filling.

5 Replies

2223 Views

Last post by Shrimphead
Mon Feb 27, 2006 5:22 pm
Mad Caddy copy

Last post by Temple

by Temple » Sun Feb 26, 2006 10:53 pm

I built a copy of the Mad Caddy this weekend. I used 4 PVC for the chamber and a 27 1/2 barrel. We tested it to day at 100psi and 110psi this thing...

0 Replies

2008 Views

Last post by Temple
Sun Feb 26, 2006 10:53 pm
Schrader for Propane Injection

Last post by nicholai
Replies: 3
by PyroManiac.666 » Sun Feb 26, 2006 2:31 pm

First post

I would like to know if anyone has ever used or heard of using a schrader valve setup to fill the metering pipe of a propane injected combustion. I...

Last post

yeah use 1/8 fittings to save space, you can find mini ball valves at 1/4 inch that would be perfect for a meter pipe

3 Replies

1551 Views

Last post by nicholai
Sun Feb 26, 2006 5:52 pm

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