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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

1116602 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...

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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

576244 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

310217 Views

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

Topics

Short question topic

Last post by Opob
Replies: 1503
by Labtecpower » Sat Jan 15, 2011 10:10 am
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You can ask questions here, not worth having their own topic.

Do not answer on a question already answered, unless you have very relevant or...

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Are the links on the Wiki broken? Im trying to find a how to for making a tennis ball combustion canon or mortar but am struggling to find something....
1503 Replies

1502393 Views

Last post by Opob
Sun Nov 03, 2024 4:03 pm
GGDT/HGDT Request Thread

Last post by Stelladario
Replies: 120
by MrCrowley » Thu Aug 25, 2011 5:22 pm
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So this is a topic where you may request GGDT/HGDT outputs assuming your own computer is unable to run them. To make a request, you will be required...

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Ok understood
120 Replies

619212 Views

Last post by Stelladario
Tue Sep 10, 2024 4:15 am
Useful Links & Information

Last post by jackwilson
Replies: 9
by mega_swordman » Sat Feb 09, 2008 10:50 pm

First post

I, like many other members here, certainly are mad by the prospect of people coming in asking for help or demanding plans without searching. However,...

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Thanks for sharing this useful information..

9 Replies

92018 Views

Last post by jackwilson
Wed Apr 13, 2016 1:18 am
How to make a spud gun with Sureshot SIK-20

Last post by jimmy101
Replies: 3
by jagerbond » Tue Aug 18, 2009 10:06 pm

First post

HOW TO BUILD A SPUD GUN

WITH SURESHOT KIT ( SIK-20 )

AVAILABLE FROM www.ultimatespudgun.com

SIK-20 Standard Igniter Instructions

These...

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Trouble shooting your cannon

...

One of the most common fuel problems leading to misfire is too much fuel! Not usually a problem with hairspray ,...

3 Replies

72645 Views

Last post by jimmy101
Wed Aug 19, 2009 12:37 pm
BlasterSim

Last post by btrettel
Replies: 2
by btrettel » Fri Mar 06, 2026 5:50 pm

First post

BlasterSim is my pneumatic and spring gun simulator. I've been slowly developing this since last year and have decided it's finally ready for a wider...

Last post

BlasterSim is adiabatic.

Sorry for the delay, the email notification didn't come in until today for some reason.

2 Replies

23295 Views

Last post by btrettel
Wed May 27, 2026 9:12 am
Does anyone here have a 4 inch cannon and wants some free prototype shells?

Last post by JimmyT

by JimmyT » Wed Mar 25, 2026 2:29 am

I recently got a 4 footer of 1 inch allthread rod, and I intend to use it for the good of mankind. (I'm going to be making some big ass sabot rounds...

0 Replies

8703 Views

Last post by JimmyT
Wed Mar 25, 2026 2:29 am
Stepper Motor Heat Issues

Last post by karlsinner
Replies: 1
by Allen58 » Tue Jan 20, 2026 1:30 am

First post

I know absolutely nothing about stepper motors. I bought a NEMA 17 stepper motor (17HS8401- ), with a nominal rated current of 1.7 amps. I did some...

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Using 24V with a DM542 stepper motor driver to run a NEMA 17 stepper motor is normal because the driver controls the current, not the voltage....

1 Replies

44723 Views

Last post by karlsinner
Mon Mar 16, 2026 11:10 pm
DIY Automatic Marble Shooter from Recycled Materials

Last post by samlevy0515
Replies: 1
by annasmith » Sat Jan 03, 2026 3:13 am

First post

I’m planning a DIY project to build an automatic marble shooter using only recycled materials like plastic bottles, PVC pipes, and old springs—no...

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Interesting project! You could try a spring-loaded lever system using tension from cut plastic bottles or rubber bands for force adjustment.
Have you...

1 Replies

27904 Views

Last post by samlevy0515
Wed Feb 04, 2026 12:57 am
Spudder's Design Tool (SDT)

Last post by D_Hall
Replies: 34
by D_Hall » Tue Sep 02, 2025 10:48 pm
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If you've read THIS THREAD , then you know I'm writing a replacement for GGDT/HGDT. The replacement is a single spreadsheet to replace *both* GGDT...

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I believe this makes sense. Thanks for your explanation! Is it correct to say that the best time scaler value for a given design is one that puts the...
34 Replies

140354 Views

Last post by D_Hall
Sat Jan 17, 2026 6:43 pm
HGDT & GGDT SUCK ARSE!

Last post by D_Hall
Replies: 11
by D_Hall » Tue Aug 19, 2025 11:48 pm

First post

I'm not sure when I started writing HGDT/GGDT, but the first version(s) are probably close to 20 years old and it's safe to say that I've not touched...

Last post

A new tool deserves a new thread....

11 Replies

67353 Views

Last post by D_Hall
Tue Sep 02, 2025 10:49 pm
New person wants to up his game.

Last post by samlevy0515
Replies: 9
by liljinx13 » Wed Sep 21, 2011 10:13 pm

First post

Hi,
I have two cannons- a standard hairspray one and a air powered one.
I have been looking around on this forum and have learned a few things but I...

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On your AT4 design - wooden centering rings should handle hairspray, but for propane I'd recommend HDPE plastic instead. Post your drawings in the...

9 Replies

95091 Views

Last post by samlevy0515
Thu Jul 24, 2025 12:11 am
Caselman air machinegun

Last post by samlevy0515
Replies: 114
by jackssmirkingrevenge » Fri Dec 14, 2007 7:41 pm
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Not my own, but I came across these plans for what appears to be a functional high-powered 32 caliber air machinegun. I believe MrCrowley had linked...

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Interesting find! Since this involves high-pressure air/CO2 and machining specs, just a friendly reminder for anyone attempting this: please check...
114 Replies

537435 Views

Last post by samlevy0515
Tue Jul 22, 2025 9:36 pm
Stun Gun

Last post by Spud
Replies: 46
by PCGUY » Sat Feb 26, 2005 9:52 pm
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STUN GUN
Provided By Boogieman -

The much imposing 200,000V beast!

Stun guns: Truly a marvel to behold. Stun guns are a spud gunners best...

Last post

Can someone help me with my stun gun? I have a vipertek VTS-880 stun gun, but I don't know how to set it up to get the spark inside. Could someone...
46 Replies

164510 Views

Last post by Spud
Sat Mar 29, 2025 6:55 pm
"In the world of spuds today"

Last post by jackssmirkingrevenge
Replies: 2466
by Novacastrian » Thu Feb 14, 2008 4:37 am
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Think about my sig guys.

Last post

ITWOST: not much going on. Just felt like letting you guys know I haven't forgotten about you.

You have not been forgotten either, hope life is...
2466 Replies

4863250 Views

Last post by jackssmirkingrevenge
Tue Jan 14, 2025 10:36 am
Confused about stepper motors

Last post by Selma

by Selma » Fri Dec 13, 2024 2:03 am

How do I connect a stepper motor to a circuit board. I'm very new to this and need a little help.

I have a k8055 and a hybrid stepper motor, size 11...

0 Replies

109492 Views

Last post by Selma
Fri Dec 13, 2024 2:03 am
Nouvelle mise à jour hgdt ggdt

Last post by Turbine32
Replies: 4
by Turbine32 » Fri Nov 22, 2024 5:16 pm

First post

Salut à tous et si ce trouve par ici le grand créateur de ggdt et hgdt, existe une mise à jour récentes de hgdt car en gaz ont trouve butane propane...

Last post

Oui, mais ca, c'est un choix que seulement D_Hall peut prendre.

Effectivement..

4 Replies

59247 Views

Last post by Turbine32
Tue Dec 03, 2024 7:47 pm
GGDT Question

Last post by jackssmirkingrevenge
Replies: 1
by Flash » Mon Nov 11, 2024 6:25 pm

First post

Sorry I didn’t see that that was a sticky for these questions. Feel free to delete this one

Hello,

Would someone be able to run a few GGDT...

Last post

The critical parameter here is valve opening time, and you can't really run a GGDT simulation without it.

If you are actuating a ball valve...

1 Replies

47939 Views

Last post by jackssmirkingrevenge
Tue Nov 12, 2024 9:41 am
Can someone help me build a tennis ball Launcher

Last post by Opob

by Opob » Sun Nov 03, 2024 1:51 pm

Im a complete noobie and ive tried looking around and cant find something in good detail about how to make something.I tried looking through the wiki...

0 Replies

111046 Views

Last post by Opob
Sun Nov 03, 2024 1:51 pm
P.A.C. 6, Semi-Auto Air Cannon

Last post by NateOnyx
Replies: 24
by gadgevid » Wed Feb 08, 2006 5:44 am
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Hey guys!

I was wondering if any of you have ever tried the plans for this semi auto spud gun. It's called the P.A.C. 6...here is the site I found...

Last post

Hey guys!
I have built the P.A.C. 6 semi auto spud gun following the instructions from the website you linked. It was a fun and easy project, and the...
24 Replies

149018 Views

Last post by NateOnyx
Tue Oct 15, 2024 12:44 pm
New semi auto chamber design:maybe full auto later

Last post by NateOnyx
Replies: 4
by upit14 » Sun Oct 15, 2006 6:22 pm

First post

Hi, Ive had this design, in my head for at least a year now, and Ive finally found the parts I need for it. I would be very grateful for any comments...

Last post

Have you thought about how the seals will hold up over time, or if any adjustments will be needed to handle wear and tear?

4 Replies

98261 Views

Last post by NateOnyx
Tue Oct 15, 2024 4:50 am
Newbie builder, need some help on a school project

Last post by Potatolauncher424

by Potatolauncher424 » Sat Sep 07, 2024 9:06 pm

Hey potato launchers! (or whatever y'all call each other! XD) I've been researching for a potato gun project at school and need some help. I can't...

0 Replies

108001 Views

Last post by Potatolauncher424
Sat Sep 07, 2024 9:06 pm
Is spudding dead?

Last post by frankrede
Replies: 119
by SpudBlaster15 » Sat May 02, 2015 2:19 am
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

Last post

It's been a long time but I will be getting back into cannons again soon. Good to see some familiar names again
119 Replies

681987 Views

Last post by frankrede
Wed Mar 06, 2024 1:49 pm
does anyone know what are some of the best air tanks for spudguns

Last post by quinn whitsitt

by quinn whitsitt » Thu Feb 15, 2024 12:05 pm

if so please respond

0 Replies

55466 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 12:05 pm
help with semi automatic airgun

Last post by quinn whitsitt
Replies: 5
by Nikolai1939 » Wed Jan 05, 2022 8:54 pm

First post

Hello there. I'm planning to make a semi automatic air carbine, but I'm not familiar with QEVs and air cylinder pistons, so heres two questions:

1-...

Last post

nice job everyone

5 Replies

89736 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 11:58 am
Need 2.5" ammo ideas.... Anyone please?

Last post by quinn whitsitt
Replies: 9
by Giorgio » Sun Dec 21, 2008 6:36 am

First post

I have a tennis ball cannon, but the same ammo gets boring after doing all that's possible with a tennisball... Even loading it with matches and...

Last post

use 2 in steel pipe put internal hex bolts drill hole into one fill thing with thermite then put sparkler in the front and boom armor piercing...

9 Replies

65296 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 11:46 am

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