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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

650425 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

384356 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

200251 Views

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

Topics

Getting piston to work

Last post by schmanman
Replies: 5
by Shrimphead » Thu Mar 30, 2006 9:55 pm

First post

I am working on a 3 piston cannon. I made foxx's 3 piston, just a little differently. The problem is that the piston won't ever seal against the...

Last post

oh,I thought you ment a 3 diameter piston for a 4 valve,sorry

5 Replies

1759 Views

Last post by schmanman
Sun Apr 02, 2006 1:29 pm
Spark screw placement...

Last post by feral_patriot
Replies: 12
by Pete Zaria » Fri Mar 31, 2006 7:42 pm

First post

First, very cool community here. I've been reading the site for a few weeks, first time posting though.

I've built 3 or 4 spud guns, all...

Last post

Heptane...www.Sciencelab.com. About $ 12.oo / 500ml... however there are other sources... :twisted:

12 Replies

3399 Views

Last post by feral_patriot
Sun Apr 02, 2006 2:04 am
Paint ball gun

Last post by SpudStuff
Replies: 10
by WOW!! » Sun Mar 26, 2006 2:43 pm

First post

Iam building a air cannon with a barrel to shoot paint balls, what size pipe is the best for paint balls? thx

Josh

Last post

the grey sch 80 3/4 inch sprinkler risers fit the balls perfectly with no wadding of any kind

10 Replies

3264 Views

Last post by SpudStuff
Sat Apr 01, 2006 11:45 pm
Mythbusters "magic" ice bullet

Last post by SpudStuff
Replies: 7
by Brian the brain » Sat Apr 01, 2006 8:16 am

First post

Come on!! I just watched that show again...those guys haven't got a clue!!

Even though I haven't shot with ice myself I'm pretty sure all high...

Last post

I saw that one and my thought is that even if it leaves the barrel intact at any reasonable distance the bullet would melt while traveling through...

7 Replies

4388 Views

Last post by SpudStuff
Sat Apr 01, 2006 11:09 pm
Mesuring Muzzle Velocity

Last post by boilingleadbath
Replies: 2
by sodman2k » Sat Apr 01, 2006 8:11 am

First post

all questions have been answered
Thank you

This post may now be deleted

Last post

Sodaman, go hurt your self.
You may have had your questions answeared, but to deprive others of a learning opertunity defeats the purpose of a forum.

2 Replies

1411 Views

Last post by boilingleadbath
Sat Apr 01, 2006 10:45 pm
How Pneumatics work?

Last post by iamthewalrus
Replies: 9
by D-Roc » Fri Mar 31, 2006 11:34 pm

First post

I'm new to pneumatics and I'm just wondering how's it made? It's powered by a pump like a bicycle pump right? You let it build pressure, then pull...

Last post

ok, this is off topic, but Rambo, how is that chamber on ur gun attached to the valve, it really doesnt look safe. and taz22, age has nothing to do...

9 Replies

3559 Views

Last post by iamthewalrus
Sat Apr 01, 2006 1:32 pm
Questions on blowguns...

Last post by dragon finder
Replies: 4
by D-Roc » Fri Mar 31, 2006 8:49 pm

First post

What's the highest FPS a blowgun ever reached? Can someone give me pictures of some powerful blowguns? Thanks.

Last post

I don't remember how high the fps were but a guy could but a dart trough a plywood board stoping about half way.

4 Replies

1637 Views

Last post by dragon finder
Sat Apr 01, 2006 8:52 am
Calculation problems

Last post by zvallance1
Replies: 4
by Mr_SBC » Thu Mar 30, 2006 10:41 pm

First post

Hi, I am building a pb gun and I have a question.

1. I am trying to calculate the proper ratio, and trying to find what set up is the best.

I am...

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Zvallance1, he stated in his post that the GGDT wasn't working for him.

well, thats weird, I must have missed that when i read it...how embarrasing...

4 Replies

1822 Views

Last post by zvallance1
Fri Mar 31, 2006 5:04 pm
rainbird over-under question.

Last post by screamingflea
Replies: 13
by screamingflea » Wed Mar 29, 2006 4:47 pm

First post

I have built this cannon using a 1 valve and have had it for a year or two. Anyways, I have upgraded it to a dual-tank design with 2 of the same...

Last post

I looked all around on there, and still havn't found a similair valve set up to follow. Do you have a direct link?

13 Replies

4526 Views

Last post by screamingflea
Fri Mar 31, 2006 4:59 pm
need some help.. building a top notch gun.. expert needed

Last post by boilingleadbath
Replies: 2
by stevo » Fri Mar 31, 2006 12:25 am

First post

well i have had some experience with spud cannons in the past 7 years.. about 5 years ago i built a very large abs cannon that i still have not fired...

Last post

Answears to some questions:

The fans (refered to as chamber fans , which makes sense considering where they are) are used to mix the flamable gasses...

2 Replies

1129 Views

Last post by boilingleadbath
Fri Mar 31, 2006 3:24 pm
Slow Valve

Last post by mi_july
Replies: 5
by mi_july » Wed Mar 29, 2006 7:04 am

First post

Hey guys, Im new here, but i have a problem and you guys seem to be the pro's! I have a pneumatic spud gun with a 50cm 4inch chamber and a 2inch...

Last post

Its ok lads, we found a solution, we just pump it up to the right pressure and take the solenoid out so the whole top chamber equalizes quicker it...

5 Replies

1845 Views

Last post by mi_july
Thu Mar 30, 2006 4:21 pm
paintjob

Last post by spudmonkey
Replies: 8
by neilman88 » Mon Oct 03, 2005 12:10 am

First post

how do u guys get those really nice paint jobs...do ya give it to a professional?

Last post

i wanted some better choises so i went to autozone and looked there and they had a large selection of stuf and apparently dupli-color makes adhesion...

8 Replies

2961 Views

Last post by spudmonkey
Wed Mar 29, 2006 8:33 pm
Schematic fly

Last post by FiveseveN
Replies: 7
by Hitler_the_spud » Fri Feb 17, 2006 1:27 am

First post

for those who can make as in solder or follow these schematics here is a great ignition for a combustions if you need one there 30 dollors 8)

Last post

Yeah, good insulation is a must. It's a good idea to keep the wires at a distance from eachother, too, since it could arc between them, even with...

7 Replies

6298 Views

Last post by FiveseveN
Wed Mar 29, 2006 3:26 am
is there a big difference?

Last post by Rambo
Replies: 6
by Rambo » Mon Mar 27, 2006 2:04 am

First post

Because the sprincler valve works on the same principle as the piston valve, wich one is better.I don't have any of them and is it shure that it's...

Last post

The pepsi bottle is for refill.It is enought for plenty of shots.

6 Replies

3354 Views

Last post by Rambo
Tue Mar 28, 2006 12:32 am
Water Rocket Mortar

Last post by Atlantis
Replies: 23
by Jakal444 » Thu Mar 16, 2006 4:28 pm
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This is just an idea a had whilst reading up on burst discs. Just thought I would post it for fun. Maybe someone will draw some inspiration from it....

Last post

If you built a clip into this it could be a fullt automatic, gravity fed, mortar cannon. This gives me ideas for a burst-fire cannon I might make. I...
23 Replies

9981 Views

Last post by Atlantis
Mon Mar 27, 2006 6:00 pm
PVC Fitting Dimensions

Last post by theregoesthewindow
Replies: 3
by theregoesthewindow » Sun Mar 26, 2006 6:07 pm

First post

Is there a site that has the dimesions of different fittings on it? I spent about thirty minutes searching for one on Google (but that doesn't count...

Last post

Found it!
linky

3 Replies

2188 Views

Last post by theregoesthewindow
Sun Mar 26, 2006 10:17 pm
Burst Fire

Last post by Atlantis

by Atlantis » Sun Mar 26, 2006 9:00 pm

I was wondering if anyone knew how to make a burst fire cannon. This is what I'm looking for.
1: Pneumatic or Combustion, If combustion, please don't...

0 Replies

2453 Views

Last post by Atlantis
Sun Mar 26, 2006 9:00 pm
mini problems

Last post by _Hell_Storm_
Replies: 7
by iamthewalrus » Wed May 25, 2005 6:10 pm

First post

ok, ive finished my mini pill gun and its sparks every tim e, but i wont fire, i think my spark my be to weak, but it looks fine. i dont think im...

Last post

i have the same problem also my solder dosnt stick the wire to the screw i burnt my thumb on the solderer and my skin smelled like cooked bacon but...

7 Replies

3189 Views

Last post by _Hell_Storm_
Sun Mar 26, 2006 3:02 pm
bbq ignitors

Last post by _Hell_Storm_
Replies: 20
by pvt joker » Wed Jun 15, 2005 9:40 pm
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First post

hey
i just phoned the bbq store to c if they sell bbq spark igniter things
and they do how ever the woman said we would need to see your bbq first i...

Last post

get a friend to buy it or someone older if not order 1 from ebay u can pick up cheap ones i picked up 10 click lighters for £1.95 off ebay took out...
20 Replies

9227 Views

Last post by _Hell_Storm_
Sun Mar 26, 2006 2:57 pm
need valve

Last post by )DEMON(
Replies: 8
by )DEMON( » Sat Mar 25, 2006 3:55 am

First post

i need a vavle to release pressure from a chamber into a barrel quickly and effeciently, what sould i do , what valve should i use or should i make...

Last post

if i buy stuff from ebay it will cost a shite load of money to ship it to south africa

8 Replies

3014 Views

Last post by )DEMON(
Sun Mar 26, 2006 2:50 pm
I need help with my mini!!

Last post by _Hell_Storm_
Replies: 10
by Shrimphead » Sat Feb 11, 2006 5:35 pm

First post

I just barely made a pill bottle mini using a piezo, and i can't get it to light the fuel!
I've been using the butane from the lighter that I stole...

Last post

i recomend start again somethink must be up with it some were there must be a hole were its ascapeing i made a tutorial how to make a pill bottle...

10 Replies

3565 Views

Last post by _Hell_Storm_
Sun Mar 26, 2006 1:09 pm
Will this work at all?

Last post by Shrimphead
Replies: 8
by Jakal444 » Wed Feb 01, 2006 3:00 pm

First post

The only part that seems rather dubious to me is the garden hose and nozzle, which i was planning to attach to the PVC using hose clamps.

Certain...

Last post

Just a basic coax piston valve. You might want the piston (sanded end cap) to be flat on the barrel-sealing end. Then you'll also want to put some...

8 Replies

3033 Views

Last post by Shrimphead
Sun Mar 26, 2006 12:48 am
Spud gun for beginners?

Last post by TalonXxX
Replies: 15
by D-Roc » Wed Mar 22, 2006 7:41 pm
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What's a good spud gun and bb airsoft gun that's for beginners or easy to make?

Last post

Yeah, I agree. Ball valve pneumatics are definately the simplest to build and use and they are alot more fun (IMHO) because I hate pissing around...
15 Replies

5372 Views

Last post by TalonXxX
Sat Mar 25, 2006 3:29 pm
Buterfly Valves

Last post by SpudStuff
Replies: 3
by SpudStuff » Wed Mar 22, 2006 8:36 pm

First post

while i was at the flea market i bought a 1 inch butterfly valve for 5 dollars.
when i got home i installed it on my miny cannon.
it shot almost...

Last post

the valve is opened by hand al the air is out before the valve is even 1/2 way open.
I spent the money on the sprinkler valve because i have a gauge...

3 Replies

1595 Views

Last post by SpudStuff
Sat Mar 25, 2006 2:07 am
Pneumatic Help

Last post by SteamRoller
Replies: 4
by SteamRoller » Fri Mar 24, 2006 12:03 am

First post

So me and my cousin are trying to build our first pneumatic gun. We don't understand what, if anything, we are doing wrong. We modded the valve based...

Last post

It's working now with the flow reversed and shooting fantastic. I don't know why, but if it aint broke, don't break it again.

Thanks for the help...

4 Replies

1776 Views

Last post by SteamRoller
Fri Mar 24, 2006 10:56 am

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