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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

1201236 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

626120 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

336480 Views

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

Topics

ABS piston

Last post by CS
Replies: 6
by SpudStuff » Sat Jan 21, 2006 12:39 am

First post

i saw the how to for the three inch piston and i was wondering if i can use black ABS drain pipe for the 3 inch outter piece. i don't want to spend...

Last post

Green Card anyone? Sorry I couldnt resist.

6 Replies

2832 Views

Last post by CS
Sun Jan 22, 2006 2:33 am
PrOpAnE?

Last post by nabu92
Replies: 5
by nabu92 » Sat Jan 21, 2006 11:07 pm

First post

Hey, i recently made my 1st spudgun and i was wondering if directly spraying propane from a torch into the chamber is dangerous, right now i use...

Last post

k,thanks for the info :)

5 Replies

2393 Views

Last post by nabu92
Sun Jan 22, 2006 12:04 am
WHY WONT IT WORK

Last post by nabu92
Replies: 7
by nabu92 » Sat Jan 21, 2006 7:15 pm

First post

i just made my first combustion chamber spudgun, and it wont ignite! ive been trying to ignite it with my camera flash igniter and bbq igniter for 3...

Last post

i think ur right, ill try it 2morrow, thanks 4 the help

7 Replies

3268 Views

Last post by nabu92
Sat Jan 21, 2006 10:03 pm
coaxial pneumatics

Last post by nicholai
Replies: 6
by cardinals08 » Tue Jan 10, 2006 11:33 pm

First post

I was just wondering, if you have a coaxial pneumatic, that would mean that the valve is in the chamber, right? How would you get it open? By remote...

Last post

well actually the pneumatic cylinder i was thinking of actuating the piston (could be a pvc piston with o-rings) would be small but fast. a smaller...

6 Replies

2117 Views

Last post by nicholai
Sat Jan 21, 2006 6:02 pm
ported valve

Last post by Atlantis
Replies: 6
by jrrdw » Fri Jan 20, 2006 10:13 am

First post

here's a idea-a spring loaded rotorary valve, say your chamber is 4 dia. and your barrel is 2 dia. have the barrel through to the end with a quick...

Last post

Dude just scrap the idea, it won't work. Even if you did get it to work, it wouldn't be half as good as a ball valve.

6 Replies

3219 Views

Last post by Atlantis
Sat Jan 21, 2006 12:11 am
mini pill bottle cannon fuels

Last post by Atlantis
Replies: 2
by darkpyro » Tue Dec 13, 2005 5:46 pm

First post

i have made a mini cannon and it is a pain to get the right feul air mix i have used butane (i did not really get to try this much because my lighter...

Last post

Try making a cone out of paper, stick it into the chamber, and most of the hairspray won't enter the chamber avoiding over-fueling. Basically, make...

2 Replies

3000 Views

Last post by Atlantis
Fri Jan 20, 2006 4:06 pm
braided regulator hose

Last post by SpudStuff

by SpudStuff » Wed Jan 18, 2006 10:30 pm

how many of you have seen latkes propane regulator and seen the braided hose and said i want that. it's pritty expencive so i found a solution. to to...

0 Replies

2099 Views

Last post by SpudStuff
Wed Jan 18, 2006 10:30 pm
Big Blowgun

Last post by Atlantis
Replies: 3
by Atlantis » Tue Jan 17, 2006 8:17 pm

First post

Does anyone here know how a blowgun works? I was whondering if it was possible to make a large PVC version of one.

Last post

So basically the piston moves down and the air leaks AROUND it? I might try to make a design for this but it porbably won't work. Thanks for the help...

3 Replies

3308 Views

Last post by Atlantis
Wed Jan 18, 2006 8:23 pm
Stupid mistake

Last post by Lucas_Pukas
Replies: 10
by Lucas_Pukas » Sun Jan 15, 2006 11:55 pm

First post

So I feel like a real idiot now. I went to ACE to pick up the necessary PVC for my newest gun the other day on my lunch break. I was kinda in a hurry...

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Thanks! Not sure yet about the silencer. I still need to put some holes in it. Most of the gun is just dry fit for the picture. I need to get time to...

10 Replies

4646 Views

Last post by Lucas_Pukas
Wed Jan 18, 2006 12:04 pm
over 120 psi with piston valve

Last post by Mini Khan
Replies: 5
by Mini Khan » Mon Jan 16, 2006 5:34 pm

First post

i have had some experince with cannons and iam looking forward to build a piston valve cannon but iam wondering why no one ever takes thier piston...

Last post

thanks guys, i guess ill take ur advice by not going up too high but i should of let u know that i was gonna use 2.5 inch sch 40

5 Replies

2804 Views

Last post by Mini Khan
Tue Jan 17, 2006 10:07 pm
which is better piston valve or diaphragm valve?

Last post by Mini Khan
Replies: 2
by Mini Khan » Mon Jan 16, 2006 7:17 pm

First post

which makes a more powerfull cannon a piston valve or diaphram valve?

Last post

no way ur so awsome thanks for the advice, u deserve like a gold metal or somethin

2 Replies

1550 Views

Last post by Mini Khan
Tue Jan 17, 2006 10:04 pm
Legality

Last post by Ballad_Black
Replies: 20
by Casper » Mon Dec 05, 2005 5:53 pm
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Ok i have this neighbor that saying my gun is becoming an issue but really hes becoming an issue for me lol but ya i need proof that these guns are...

Last post

I checked with the cops after my first gun was built up. It was legal and all, but he said the only place they could take any waction is if its in a...
20 Replies

9157 Views

Last post by Ballad_Black
Tue Jan 17, 2006 8:16 pm
Mini Combustion Accessory

Last post by Rambo
Replies: 17
by TalonXxX » Wed Dec 07, 2005 1:44 pm
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I really liked j_diz's PVC stand he made for his propane combustion cannon and I really wanted to make one... but didn't have the time/money/parts to...

Last post

I forgot to remaind-never ignite thise mixigere with out safety glases. :!:
17 Replies

8278 Views

Last post by Rambo
Tue Jan 17, 2006 8:14 am
Making a Electric spark.

Last post by jrrdw
Replies: 3
by soggysandwich » Mon Jan 16, 2006 11:42 pm

First post

I was wondering how to make a spark using a 9volt battery. like a stun gun but i wanna make my own. so does anyone have a guide to making one? thanks.

Last post

the car coil does need 12 volt DC to charge, the converted charge comes out of spark plug wire is normaly upwards of 25,000 volts DC, the newer one...

3 Replies

2411 Views

Last post by jrrdw
Tue Jan 17, 2006 7:20 am
cannon wont work

Last post by Atlantis
Replies: 14
by gijeses » Sun Jan 01, 2006 9:38 pm

First post

im getting a little spark, and ive been using starter fluid for propellant, btw this is a simple combustion chamber gun. i have a 10 4 pvc combustion...

Last post

Here's some advice when dealing with sparks.
1: Flame Facials are not fun.
2: The gun may fire even though it has been opened multiple times.
I have...

14 Replies

5276 Views

Last post by Atlantis
Mon Jan 16, 2006 9:04 pm
pneumatic questions

Last post by nicholai
Replies: 14
by regre7 » Sat Jan 14, 2006 3:43 pm

First post

Hello again. I've been gone for a while, but I'm back.

I'm about to start putting together the pneumatic cannon I was talking about earlier here,...

Last post

well pretty much any will work but a putty type of epoxy will be much more easy to work with since it wont dribble down and make a mess, the other...

14 Replies

6082 Views

Last post by nicholai
Mon Jan 16, 2006 5:44 pm
soda stream carbonators

Last post by darkpyro
Replies: 10
by darkpyro » Fri Jan 13, 2006 11:37 pm

First post

i live in australia and am trying to get co2 for my cannon and i know that you can get co2 canisters from the super market to use in these things...

Last post

i cant find a pic but i think the soda stream carbonator has a valve built in in the form of a button so you just stick your 330gram bottle in then...

10 Replies

4439 Views

Last post by darkpyro
Mon Jan 16, 2006 5:01 pm
effect of volume of compressed air released

Last post by boilingleadbath
Replies: 5
by regre7 » Sun Jan 15, 2006 5:39 pm

First post

How much does the volume of compressed air released from the air pipe into the barrel affect the muzzle velocity of the projectile? Does modifying...

Last post

Wheather you'll get more power from a better valve or a bigger chamber is going to depend apon the mass of the projectile, among other things. You'll...

5 Replies

2385 Views

Last post by boilingleadbath
Mon Jan 16, 2006 1:12 am
hybrid idea

Last post by boilingleadbath
Replies: 9
by cardinals08 » Thu Jan 12, 2006 4:58 pm

First post

The teacher did a demo in chem class today. she put little zinc pebbles in Hydrochloric acid. It made a reaction producing zinc chloride and hydrogen...

Last post

And you think it wouldn't have gone up in flames if it was filled with propane?
(ignoring that it would have never been set on fire, because propane...

9 Replies

4691 Views

Last post by boilingleadbath
Mon Jan 16, 2006 12:43 am
Trident PB Clip

Last post by Atlantis

by Atlantis » Sat Jan 14, 2006 12:03 am

I was looking at semi-auto paintball guns on this site and I noticed how much the clips stick out. I came up with this idea, where you could angle...

0 Replies

2846 Views

Last post by Atlantis
Sat Jan 14, 2006 12:03 am
supah plus pneumatic chamber size

Last post by cardinals08
Replies: 1
by DAltar » Fri Jan 13, 2006 8:13 pm

First post

i just ordered a supah plus and i was wondering if a 4 x 46 inch chamber is sufficient or should i go with a bigger chamber? if anyone has any...

Last post

doesnt it just depend on how big you want your gun?

1 Replies

1342 Views

Last post by cardinals08
Fri Jan 13, 2006 8:48 pm
Poorman's Breech

Last post by Technician
Replies: 9
by dethstik » Thu Feb 03, 2005 3:38 pm

First post

***Poorman's Breech***
The Poorman's Breech is nothing more than a piece of pvc the SAME SIZE of the barrel cut to about 1 or 2 long and then taking...

Last post

You can use a 1.5 cam lock on a 1.5 barrel if you want to turn some of the diameter off the barrel. If you don't want to compromise the strength of...

9 Replies

10851 Views

Last post by Technician
Fri Jan 13, 2006 2:54 pm
Combustion Silencer????

Last post by Technician
Replies: 22
by Snikle » Mon Jun 27, 2005 10:23 am
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Heay everyone ive just made my first spud cannon with my dad and a couple of mates. It fires great (see vid below)

The problem is that its too loud...

Last post

Nice serious sounding cannon, and I'm still laughing my arss off after watching that video too! :lol:
22 Replies

9212 Views

Last post by Technician
Fri Jan 13, 2006 2:35 pm
meter

Last post by Technician
Replies: 7
by iamthewalrus » Wed Jul 06, 2005 1:29 pm

First post

is there anything wrong with injecting propane from ur meter through a 1/8 in hole instead of the normal 1/4??

Last post

I cant imagine it being very much slower, however I have a question, do you nooed a regulator on a propane meter? and if so is there a particular...

7 Replies

4832 Views

Last post by Technician
Fri Jan 13, 2006 9:34 am
First Micro

Last post by r0n
Replies: 12
by r0n » Tue Jan 10, 2006 6:25 pm

First post

ive been surffing this fourm for along time and today i have finally built my first cannon execpt it is a micro but its still a cannon. Im building a...

Last post

made it at lunch. all my firends were like WOW and fired it once outside pretty loud and cool did not melt but it expaneded as it shot. qtip didnt go...

12 Replies

5494 Views

Last post by r0n
Thu Jan 12, 2006 8:38 pm

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