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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

1125849 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

578822 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

311494 Views

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

Topics

Semi-Automatic Piston Valve Diagram

Last post by burgerace69
Replies: 3
by burgerace69 » Wed Mar 11, 2009 5:23 pm

First post

I've been thinking about how I could make a portable, powerful, and most importantly, efficient cannon. I think I may have developed something after...

Last post

I guess i probably didn't set the proportions correctly at all. the semi auto portion is smaller than cpvc and the blue part (1) is much larger in...

3 Replies

3515 Views

Last post by burgerace69
Thu Mar 19, 2009 11:48 am
Few quick questions.

Last post by pharmboy
Replies: 8
by jmeyer1022 » Wed Mar 18, 2009 5:53 pm

First post

Wondering where I can find 2 sch 80 pipe (pvc). I've checked lowes,home depot, ace hardware, and other local hardware stores. Nothing so far.
I found...

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That's probably because you have to enter a zip code to find it. The conduit isn't sold online, it's only available in store.

8 Replies

3672 Views

Last post by pharmboy
Wed Mar 18, 2009 10:02 pm
piston valve help

Last post by spudtyrrant
Replies: 2
by spudtyrrant » Mon Mar 16, 2009 11:37 pm

First post

i have made a 2 barrel sealing, piston valved, pneumatic it works fine up to 40 psi, it seals and doesn't leak but beyond that when i fire it it...

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ty so much duct tape was to big to fit in the gap so i use teflon and now it fire amazing at 75+ psi i had to run inside tho i didn't think it would...

2 Replies

1154 Views

Last post by spudtyrrant
Tue Mar 17, 2009 10:12 am
Golf ball backstop?

Last post by SpudBlaster15
Replies: 22
by jmeyer1022 » Sat Mar 14, 2009 11:56 am
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Ok, so my 2 piston valve golf ball cannon is blowing through anything I put in front of it and sometimes going through a few sheets of plywood then...

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

6956 Views

Last post by SpudBlaster15
Mon Mar 16, 2009 11:39 pm
australia

Last post by TwitchTheAussie
Replies: 67
by killagorrila99 » Mon Aug 14, 2006 8:44 pm
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Anyone else that replies to this thread has to give pimpmann a 5 second tongue kiss.

Last post

Welcome to suburban living. God bless rural areas :D
67 Replies

39394 Views

Last post by TwitchTheAussie
Mon Mar 16, 2009 9:30 pm
Shooting fish

Last post by jimmy101
Replies: 56
by john bunsenburner » Sun Mar 08, 2009 6:58 am
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The titel is not what it implies. I do not plan to shoot fish but the following problem has been goign through my mind for the last few days:

When...

Last post

Following up on what D_Hall said...

A torpedo, when it explodes, is essentially identical to the underwater release of a large volume of high...
56 Replies

18141 Views

Last post by jimmy101
Mon Mar 16, 2009 3:56 pm
Springs, Valves and Automatics - Air is your friend.

Last post by psycix
Replies: 4
by SPG » Sun Mar 15, 2009 3:50 pm

First post

Almost any kind of automatic ends up needing some form of spring to cycle, Why not use air ? Both JSR and Fnord have used air as a spring material....

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To make a normal spring approach constant force, pre-tension it.
Instead of going from zero to maximum force it will go from something like half to...

4 Replies

1928 Views

Last post by psycix
Mon Mar 16, 2009 1:24 pm
Semi-Auto Pneumatic Design

Last post by sniper hero
Replies: 20
by PaulsAirsoftArmory » Tue Mar 03, 2009 8:35 pm
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I saw the design listed here: and decided to improve upon it significantly.

It would use air as a power source and would probably shoot golf balls...

Last post

google sketch up is very nice to design
I already made some bbmg designs on it :D

anyone who likes to make a quick protype?
20 Replies

6835 Views

Last post by sniper hero
Mon Mar 16, 2009 11:18 am
Aesthetically Pleasing Way to Attach a Coke Bottle

Last post by limbeh
Replies: 13
by mark.f » Thu Feb 26, 2009 5:26 pm

First post

Like the title suggests, this is the best looking way I could figure to attach a coke bottle to pipe fittings. All the other ideas I keep seeing...

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My method of attaching the PVC bottle to the pipe probably isn't so aesthetically pleasing, but it's a lot simpler.

I simply filed the bottle...

13 Replies

9855 Views

Last post by limbeh
Sun Mar 15, 2009 11:29 pm
complete how to video: 10ft and 4ft pneumatic

Last post by covey12
Replies: 11
by spudnick mcgee » Wed Sep 03, 2008 3:56 am

11 Replies

5019 Views

Last post by covey12
Sat Mar 14, 2009 8:02 pm
Plasti Smithing...

Last post by john bunsenburner
Replies: 10
by Hubb » Fri Mar 13, 2009 9:51 am

First post

I was just looking over Instructables and found this:

It see this as having many applications in this hobby.

Last post

I didn't want to sa that but essentiall yes thats how ou make DIY napalm, i forgot to add before:

You can dissolve ALOT of styro foam in...

10 Replies

4740 Views

Last post by john bunsenburner
Sat Mar 14, 2009 2:08 pm
Workings of a fridge compressor vid

Last post by POLAND_SPUD
Replies: 13
by Carlman » Wed Mar 11, 2009 1:23 am

First post

Gday blokes,

One of my subscribed channels on youtube called Davidsfarm has just posted a video on the workings of airconditioner and fridge...

Last post

well yes.. you don't know if and how much more pressure youcan get from it...

but the thing is that the biggest drawback of fridge compressors is...

13 Replies

2894 Views

Last post by POLAND_SPUD
Thu Mar 12, 2009 8:19 pm
HOW TO: Bulkhead Seals Without O-Rings

Last post by mark.f
Replies: 7
by mark.f » Wed Mar 11, 2009 4:33 pm

First post

I had no clue as to what the title should be, so I used Velocity's term of Bulkhead seals .

Basically, the seal is a way to make a piston valve more...

Last post

Well to attach a pilot you'd drill a 7/16 hole in the center of the cap and tap it to 1/4 NPT threads. I just didn't do it yet because this piston...

7 Replies

4156 Views

Last post by mark.f
Thu Mar 12, 2009 11:58 am
Help Me With a Project

Last post by Hubb
Replies: 9
by Hubb » Tue Mar 10, 2009 1:54 pm

First post

Dear Fellow Spudders,

I've put together another ebook; this time about barrels. The one thing I lack, however, is a proofread. I know how some of...

Last post

I've got about 10 proofreaders right now. That should do. Thanks, guys.

9 Replies

3378 Views

Last post by Hubb
Wed Mar 11, 2009 7:22 am
Going away for march break

Last post by sputnick

by sputnick » Wed Mar 11, 2009 6:50 am

Hey everyone, Just figured I should say that i am not going to be on spudfiles at all until next weekend when I get back from europe,

I know, you'll...

0 Replies

1957 Views

Last post by sputnick
Wed Mar 11, 2009 6:50 am
Painting pvc with epoxy?

Last post by jackssmirkingrevenge
Replies: 4
by sssssbooom » Mon Mar 09, 2009 11:10 pm

First post

I know that their has been posts about painting pvc before, but I thought what I am talking about is different. If you disagree please delete this....

Last post

It should work but I don't see it as saving much time. Plus it is considerably more work and much more expensive.

I think this was more about...

4 Replies

1899 Views

Last post by jackssmirkingrevenge
Wed Mar 11, 2009 12:12 am
Hanging a banner from a roof

Last post by pharmboy
Replies: 15
by Lentamentalisk » Mon Mar 09, 2009 1:30 am
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Alright guys, heres the deal.
I came up with a fairly ingenious way of hanging a large banner from the roof of a building (guerrilla) involving...

Last post

Actually, I've been thinking about the briefcase idea for a while now. I've noticed a busted sampsonite hardside case in the office that seems to be...
15 Replies

4784 Views

Last post by pharmboy
Wed Mar 11, 2009 12:12 am
Sprinkler Valve Opens While Pressurizing

Last post by Hubb
Replies: 3
by AegisAvenger » Sun Mar 08, 2009 4:06 pm

First post

Hi all, I recently built an arm mounted spud gun. It has an interchangeable barrel. One barrel is for shooting projectiles, the other is a nozzle for...

Last post

I would say your bike pump is the problem.

You need to put more pressure in the diaphragm faster than what you're doing. This can be done one of...

3 Replies

2716 Views

Last post by Hubb
Tue Mar 10, 2009 7:43 am
Shotgun Cartridges?

Last post by SEAKING9006
Replies: 7
by zac_sraw » Sat Mar 07, 2009 2:55 am

First post

just wondering what are some ways that you can make a cartridge for a pnematic gun using bb as ammo?

oh btw i live in australia so i cant get empty...

Last post

I'm currently building a bolt action rifle that takes 9cm long 1in dia cartridges. Once I found the paper-and-flour slugs were a friggin pain to make...

7 Replies

3297 Views

Last post by SEAKING9006
Mon Mar 09, 2009 9:20 pm
Spudguns in the news

Last post by rna_duelers
Replies: 12
by jagerbond » Mon Mar 09, 2009 2:35 am

First post

We had a booth at the Honolulu gun show and were featured in the news.

Mike Bond
Sureshot Inc. / ultimatespudgun.com

Last post

I got it to work after revisiting the link a few times.$1000 you say,well profit is a must if you want to live off them.

12 Replies

4090 Views

Last post by rna_duelers
Mon Mar 09, 2009 7:47 pm
...........

Last post by chrissilvermancs
Replies: 7
by chrissilvermancs » Sat Mar 07, 2009 2:42 am

First post

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Last post

...........

7 Replies

1999 Views

Last post by chrissilvermancs
Mon Mar 09, 2009 12:04 am
Machining HDPE

Last post by Gippeto
Replies: 5
by Biopyro » Sun Mar 08, 2009 6:54 am

First post

Does anyone have any experience machining HDPE rod?

I plan to use it to make a new piston, but don't want it if it's going to melt when I put tools...

Last post

Probably not too critical. 550m/min (~1788fpm) seems awful fast, but I'm no expert.

I would have suggested 500 to 1000 fpm. (Oh well...:dontknow: )...

5 Replies

2469 Views

Last post by Gippeto
Sun Mar 08, 2009 10:41 pm
Revised automatic mechanism

Last post by PaulsAirsoftArmory
Replies: 11
by inonickname » Mon Mar 02, 2009 2:22 am

First post

Well after some revising on my current blowback mechanism, I decided to re design it. It ended up closer to a real blowback mechanism (think uzi,...

Last post

Yes, very similar to that, but a double valve instead of that awesome combined valve like in that animation.

11 Replies

15042 Views

Last post by PaulsAirsoftArmory
Sun Mar 08, 2009 7:03 pm
paintball fun :D

Last post by cannon monkey
Replies: 12
by cannon monkey » Sat Mar 07, 2009 1:00 am

First post

ok this is probly not in the right place if not move it plz

ok but any ways i have made up my mind i going put a cannon maybe no bigger than 10...

Last post

thanks every body

12 Replies

3536 Views

Last post by cannon monkey
Sat Mar 07, 2009 9:24 am
Spring Powered Guns?

Last post by sgort87
Replies: 1
by zac_sraw » Fri Mar 06, 2009 8:08 pm

First post

Do you reckon anyone would mind if you put a spring powered gun on here, cause i might build one after i finish my sniper...

Last post

I dunno... That sounds like a solid propellant to me... :P

Yeah, it's fine. It's probably something for the Airsoft section.

1 Replies

1649 Views

Last post by sgort87
Fri Mar 06, 2009 8:21 pm

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