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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

648561 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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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

383688 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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Originally posted by DR on the Spudtech forums:

IPEX Solvent Cements ONLINE Course can be found here:

It is recommended that you download and...

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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

199884 Views

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

Topics

Dry Ice Cannon

Last post by Technician1002
Replies: 5
by gyrotech » Sun Jun 02, 2013 12:08 am

First post

Dry ice in a burst disc style gun.

I believe dry ice can make very high pressures, upwards of 1500 psi when heated.

Dry ice super critical,...

Last post

To be technical, water vapor from boiling water is steam. You get it by adding heat to water.

Dry Ice is solid CO2. It skips the liquid phase at...

5 Replies

3706 Views

Last post by Technician1002
Mon Jun 03, 2013 5:33 am
need help with modifying fridge compressor

Last post by ihacker71
Replies: 11
by ihacker71 » Fri May 31, 2013 1:24 am

First post

Hello, everyone this is my first post on the Spudfile forums, I am new and need a lot of help too :) My first question is how do you modify a...

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Do you guys think this is a good solenoid valve for my uses??? Thanks for all the help!

11 Replies

4193 Views

Last post by ihacker71
Sat Jun 01, 2013 3:09 pm
Pressure control valve?

Last post by Technician1002
Replies: 3
by kydavies » Sat May 25, 2013 3:26 am

First post

I have a very vague idea of what I recently aquired (for free). All I know is that it's a 2 pressure control valve made by singer and its freaking...

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I Imagine if you remove the control valve (smaller diaphragm valve) you may be able to pilot it through it's pilot valve as a diaphragm valve with a...

3 Replies

2449 Views

Last post by Technician1002
Sat May 25, 2013 1:24 pm
Semi-auto valve for under $20

Last post by jackssmirkingrevenge
Replies: 95
by jackssmirkingrevenge » Tue Nov 29, 2011 11:41 am
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This will hopefully encourage many of you to venture beyond single shot pneumatics, for very little cash and assembly.

Here it is in action at 110...

Last post

You know, it would make an interesting booby trap trigger...
95 Replies

56878 Views

Last post by jackssmirkingrevenge
Sat May 25, 2013 4:18 am
Curious question....

Last post by PCGUY
Replies: 9
by Kilash » Wed May 15, 2013 8:52 pm

First post

Has anyone here ever got a spudgun, of any size, through airport security? :D

Last post

I fly with my launchers all the time. You must remove any regulator you have on any air tanks and go through an inspection. Having the US code...

9 Replies

4559 Views

Last post by PCGUY
Fri May 24, 2013 8:21 am
12 volt ac sprinkler valve

Last post by jackssmirkingrevenge
Replies: 2
by mudjunkie » Mon May 13, 2013 9:56 pm

First post

looking for a 12 volt AC sprinkler valve. This valve it to be used with a timer to add water to a pool

Last post

Isn't a float switch a better idea?

You can have a minimum level one to open the valve and a maximum level one to shut it off.

Also:

Not...

2 Replies

1452 Views

Last post by jackssmirkingrevenge
Tue May 14, 2013 3:08 am
Semi Automatic Golf Ball Gun.

Last post by Rezonate
Replies: 5
by Rezonate » Sun May 12, 2013 12:41 pm

First post

I'm trying to figure out a way for a semi automatic combustion cannon. I have already built my first combustion cannon (2 in chamber, 3/4 in barrel,...

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Alright, I'll just stick with a breechloading golf ball cannon. Still gonna have a fan and a direct propane injector. What I can do is post some...

5 Replies

2905 Views

Last post by Rezonate
Sun May 12, 2013 2:03 pm
Interpreting Muzzle Energy?

Last post by Kilash
Replies: 15
by RBurke83 » Thu May 02, 2013 10:54 am
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Hey guys, I searched for an answer to this query, but didn't find any definitive answer. So I use a muzzle energy calculator for my launcher, which...

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No problem, I enjoy doing the math for this kind of stuff.

A way to measure friction on a projectile inside the barrel is to invert the gun, and...
15 Replies

7758 Views

Last post by Kilash
Thu May 09, 2013 3:45 pm
Mass flow and De Laval nozzles for your spuddy

Last post by Alanstone
Replies: 53
by Gippeto » Fri Dec 05, 2008 12:53 am
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I am doing some research on high speed flow, and was wondering if there were any of you using either mass flow (by design), or preferably De Laval...

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Edit: sorry I didn't see this was an old thread. Here is a link to a 1960 patent of a compression ignition gun.

Patent US2947221 - COMPRESSION...
53 Replies

16920 Views

Last post by Alanstone
Mon May 06, 2013 4:31 pm
My compressor, 300 psi and more (..... much more :-D )

Last post by Solar
Replies: 169
by POLAND_SPUD » Sun Nov 25, 2007 11:16 am
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The fridge compressor is a refrigeration compressor adapted as an air compressor. While most shop compressors can reach up to 120 psi this thing can...

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What JSR said ^^^ The shoebox is a good inexpensive choice. It works hard and needs to be kept in top shape, but can get the job done.
169 Replies

86958 Views

Last post by Solar
Mon Apr 29, 2013 3:58 am
Help building my first cannon

Last post by RBurke83
Replies: 13
by Satasaurus » Fri Apr 26, 2013 2:35 pm

First post

Never mind

Mods please delete

Last post

When I was in middle school, which was a long time ago, I made a pvc combustion, hair spray cannon. My friend and I went to a closed (for business)...

13 Replies

5747 Views

Last post by RBurke83
Sat Apr 27, 2013 6:07 pm
How do I model a 1/2" QEV in GGDT?

Last post by cstru18
Replies: 2
by cstru18 » Fri Apr 26, 2013 6:53 am

First post

Hey everyone I'm new to spudfiles and I'm needing some help. I'm been searching how to model a 1/2 square qev into the ggdt I just can't find any...

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Thanks Poland_ spud appreciate the help. It's going to use the the semi auto blowgun mod wyz2285 used on his built for combat gun I was just...

2 Replies

1775 Views

Last post by cstru18
Fri Apr 26, 2013 8:43 am
How to make an Airsoft Sniper - Video

Last post by jrrdw
Replies: 4
by DasAbonnent » Mon Apr 22, 2013 3:51 am

First post

Hey,
here's a Video i made about how to make a gun i built once. I think it's one of the best and easiest ways to built an airsoft sniper.
Price is...

Last post

thx! mmh, yes, probably true, but is it easier?:^)

I think it will all ways be easier to squeeze a trigger then turn a valve. Just use the blow gun...

4 Replies

3345 Views

Last post by jrrdw
Thu Apr 25, 2013 4:57 pm
Kipkay used my instructable and made a video!

Last post by sagthegreat
Replies: 11
by sagthegreat » Thu Apr 11, 2013 7:08 pm

First post

here is his video about a flashlight coaxial gun

here is my instructable link

Last post

I own both accounts lol

11 Replies

6618 Views

Last post by sagthegreat
Mon Apr 15, 2013 8:52 pm
Please HELP me Air Cannon.

Last post by Brian the brain
Replies: 2
by Cannonboy » Sun Apr 14, 2013 3:45 am

First post

Hey, My Names Richard And Im Building Two Air Cannons, Ones A Miniature Co2 Pistol And The Other Is A Sniper Air Cannon Which Works Via A Schraeder...

Last post

Hi Cannonboy!

First off, it's hard to read a solid block of text.
You might want to use the enter button to seperate your lines.

It would help if...

2 Replies

1660 Views

Last post by Brian the brain
Sun Apr 14, 2013 6:18 am
.50 cal

Last post by flashskate13
Replies: 4
by sweed » Mon Mar 25, 2013 4:11 pm

First post

Howdy all, I'm new :?

I've tried searching and can not find this. If any one can point me in the right direction I'd appreciate it. I'm looking for...

Last post

Thanks wyz2285 after finding the video and watching it got me interested in building something similar after my DSR 1 project.

4 Replies

2153 Views

Last post by flashskate13
Tue Mar 26, 2013 5:35 pm
combustion with a valve

Last post by jimmy101
Replies: 7
by spudzooka98 » Mon Mar 25, 2013 9:01 am

First post

hi i am not wanting to make this it is a question i need answerd its been stuck in my head for weeks but what would happen if on a combustion gun...

Last post

You might want to read

Short answer: Roughly one second after ignition the pressure in a closed combustion chamber is basically back at atmospheric...

7 Replies

2929 Views

Last post by jimmy101
Mon Mar 25, 2013 3:44 pm
share your cannon accidents!

Last post by spudzooka98
Replies: 328
by A-98 » Fri Apr 27, 2007 11:55 am
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well, i created this thread in a hopes to: share your stories, and possibly educate people on what not to do!

anything related to cannons going...

Last post

me and my buddie was shooting all day with his combustion tater gun using hair spray towards the end of the day we filled it with oxygen and a little...
328 Replies

124244 Views

Last post by spudzooka98
Wed Mar 20, 2013 2:01 pm
spud gun stories

Last post by spudzooka98
Replies: 2
by spudzooka98 » Wed Mar 20, 2013 12:00 pm

First post

I looked around and did not see any others asking this but any one have any spud gun storys about their first or their latest funny moments or any...

Last post

thank you they are good

2 Replies

1378 Views

Last post by spudzooka98
Wed Mar 20, 2013 1:54 pm
10L oxy-butane test

Last post by jrrdw
Replies: 3
by RamboNucke » Thu Mar 14, 2013 3:07 pm

First post

Here's a test of what happens when 10L stoichiometric O2/butane explodes. The mixture is very dangerous because it can be set off with tiniest spark....

Last post

You need to get the Spudfiles mention out of the video title that is currently on Youtube. Read and follow the rules please.

3 Replies

1845 Views

Last post by jrrdw
Thu Mar 14, 2013 3:47 pm
Help Us !

Last post by Technician1002
Replies: 3
by KingPatator » Wed Mar 13, 2013 4:41 pm

First post

We are students from France.
Actually we are doing an presentation of Potatoes Cannon (called in France patator).

We did a Fan PAge on Facebook, we...

Last post

A little late, but it might be best to post your cannon info here. Not all of us want our real life linked to spudguns. My FB page is my RL page. I...

3 Replies

1305 Views

Last post by Technician1002
Thu Mar 14, 2013 10:15 am
Spudgun vs compound bow vs knife penetration video

Last post by Brian the brain
Replies: 8
by RamboNucke » Mon Mar 11, 2013 5:11 pm

First post

We all love it when friends come and we get to play with their toys :D

Link removed by BTB: Rule 3 states: no solid propellants.

I'll say more...

Last post

Brian, as long as no indication of how to make the powder burner was given or the composition used, surely this link could have been allowed?

It's...

8 Replies

2707 Views

Last post by Brian the brain
Wed Mar 13, 2013 10:17 am
1 1/2" inch dust collector valves for sale.

Last post by mattyzip77
Replies: 23
by mattyzip77 » Wed Dec 12, 2012 8:42 am
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I have 2 Goyen 1 1/2 inch dust collector valves for sale.Awesome and powerful valve, perfect for the noob looking to build a powerful easy to build...

Last post

Still no takers on these bad boys??????????????????
23 Replies

7995 Views

Last post by mattyzip77
Sun Mar 10, 2013 10:36 am
graphite or aluminum? best for chrome bearings5.6mm 7/32&

Last post by speedballs
Replies: 10
by speedballs » Wed Mar 06, 2013 9:12 am

First post

I'm using an easton jazz aluminium arrow blank as my barrel, 1916 is the arrow size. I have read some people use graphite hmm or is it carbon fibre?...

Last post

Away crap.. my bad! Google Easton jazz shafts should net better result. Sorry for miss-information. Don't know how to add links :shock: They have...

10 Replies

3186 Views

Last post by speedballs
Sat Mar 09, 2013 8:04 am
plug and play compressor?

Last post by Happy
Replies: 4
by Happy » Sat Mar 09, 2013 1:01 am

First post

I was wondering if anyone had ever built their own portable compressor, so I researched and found nothing. I then decided I liked the idea of...

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Ile look into it, I was thinking i may have to build my own casing for the piston and motor whilst also also creating away for me to auto cool the...

4 Replies

1980 Views

Last post by Happy
Sat Mar 09, 2013 7:27 am

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