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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

648733 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

383749 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

199915 Views

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

Topics

help with my spudgun

Last post by mattyzip77
Replies: 7
by mr.potatohead » Wed May 30, 2012 7:40 pm

First post

i made a spudgun awhile ago and i have just a plain old pvc air chamber and a modified sprinkler valve as the trigger can i move my shrader valve to...

Last post

Did u miss it Jsefcik, thats how it already is, he wants to fill theough the blowgun!! Pay attention!! Also good job on graduating Jess, glad you...

7 Replies

1912 Views

Last post by mattyzip77
Thu May 31, 2012 4:13 pm
need diagram of piston settup

Last post by MrCrowley
Replies: 2
by mr.potatohead » Wed May 30, 2012 8:14 pm

First post

hey guys does anyone have a diagram of a piston setup please leave a link or picture or something

Last post

Before you click this link, go to each forum section and read the topics that are stickied . These are important topics which usually help new...

2 Replies

1298 Views

Last post by MrCrowley
Wed May 30, 2012 9:59 pm
Multi-Shot Missile La

Last post by jackssmirkingrevenge
Replies: 1
by The Law » Wed May 30, 2012 12:43 am

First post

Hi everyone, I'm new to air cannon building and I was hoping that I could get some good input on my design. Although I do have Inventor on my...

Last post

In terms of performance, something like this will give you the performance you're after:

As to making it a multishot, look into slide valve...

1 Replies

1596 Views

Last post by jackssmirkingrevenge
Wed May 30, 2012 1:01 am
Alternate 3" pistion valve design

Last post by samiam0295
Replies: 9
by samiam0295 » Tue May 29, 2012 1:32 am

First post

Hi, I'm new to the forum, but I have made a few spud guns before. Most of the valves designs I see on this site and others use a sleeve inside of a...

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until I have a final design, I see no reason to buy acetal stock to make a custom piston when I can do essentially the same thing with things I...

9 Replies

2759 Views

Last post by samiam0295
Tue May 29, 2012 11:16 am
Pipe fitting help

Last post by Crna Legija
Replies: 7
by whoa044 » Mon May 28, 2012 1:58 pm

First post

I'm dying to know where I could find this type of hose barb, or what name it could possibly have. As of now, it's the only thing preventing the...

Last post

i just solder a bit of copper pipe into a brass fitting.

7 Replies

3439 Views

Last post by Crna Legija
Tue May 29, 2012 3:12 am
Tootin' my own horn

Last post by D_Hall
Replies: 10
by D_Hall » Wed May 23, 2012 7:42 pm

First post

Since it would likely have gone unnoticed in the other (old) thread, I went ahead and started a new thread. If a mod doesn't like that, I suppose...

Last post

Folks... This thread was intended to be nothing more than a prominent marker that there'd been a recent development to the VERA saga. Namely: The...

10 Replies

3752 Views

Last post by D_Hall
Thu May 24, 2012 7:49 pm
PCGUY on memebase with a "bazooka"

Last post by PCGUY
Replies: 1
by jackssmirkingrevenge » Thu May 24, 2012 10:16 am

First post

oh dear...

As to the point of the picture, of course it makes sense. Dogs are normally too stupid to associate human devices with violence.

Last post

That's fairly funny that my picture ended up there :oops:

1 Replies

1460 Views

Last post by PCGUY
Thu May 24, 2012 10:32 am
High Pressure Hand Pump

Last post by far_cry
Replies: 15
by waza8u » Tue May 15, 2012 11:14 am
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Hi guys im looking for ideas on how to build a High Pressure Hand Pump??? i have seen one on here before but i have lost the link, your help would be...

Last post

another good one
15 Replies

8469 Views

Last post by far_cry
Sun May 20, 2012 1:25 pm
Combustion vs Pnumatic

Last post by Fnord
Replies: 2
by joemama » Fri May 18, 2012 1:55 pm

First post

I am trying to make a new cannon but cant decide between the two.

Which one will produce more power? pnu/comb?

I know there are many variables...

Last post

This question is usually asked at least once a month. Look at the wiki pages for both types of cannon and decide which is best for your situation....

2 Replies

1556 Views

Last post by Fnord
Fri May 18, 2012 6:52 pm
Back home for the summer!

Last post by Gun Freak
Replies: 4
by saefroch » Tue May 15, 2012 1:25 pm

First post

I have completed my first year at this fine place , so I'm home for the summer and I'll have quite a bit of free time, though I will be putting in...

Last post

Been wondering where you've been :D

4 Replies

1898 Views

Last post by Gun Freak
Thu May 17, 2012 9:47 pm
Clarification on Thick Walled Pressure Vessel Failure

Last post by DYI
Replies: 25
by DYI » Sat May 15, 2010 3:02 pm
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From what I can tell, the maximum shear stress theory relates the maximum shear stress (before failure) to the material's yield strength by
MSS =...

Last post

Ramses, please note that the location of the asymptote in the section you just quoted is incorrect - my correction can be seen in the post above...
25 Replies

9067 Views

Last post by DYI
Wed May 16, 2012 8:52 pm
How to: electric ignition system(for fireworks)

Last post by Crna Legija
Replies: 1
by AircannonSweden » Wed May 16, 2012 4:36 am

First post

The schematic:

I was done soldering and wiring everything yeasterday! The battery is from a RC-car, 9.6 volt

Last post

This might not be aloud because fireworks and other pyrotechnics are against the rules, just a fyi.

1 Replies

1821 Views

Last post by Crna Legija
Wed May 16, 2012 5:10 am
Innovation?

Last post by DYI
Replies: 20
by kydavies » Sat May 12, 2012 12:27 pm
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Is it just me or has nothing really innovative been posted lately? This lull is driving me and possibly others crazy. That being said, spudders, get...

Last post

I must say, I haven't noticed many of these primer soaked ball valve pneumatics or even spray'n'prays recently. Our collective build style appears to...
20 Replies

6578 Views

Last post by DYI
Tue May 15, 2012 1:07 pm
Opinion on this lathe?

Last post by inonickname
Replies: 12
by jmez1996 » Wed May 09, 2012 8:20 am

First post

Hey everyone

I'm keen to get back into making air gun's but i have realised my lack of appropriate machinery has limited me for too long.

I'm am...

Last post

Yeah i certainly agree with that.
We have bought tools from the hare and forbes machinery house (the first link) before and i had a look at the lathe...

12 Replies

3872 Views

Last post by inonickname
Thu May 10, 2012 7:46 am
silent valveless HPA dart launcher

Last post by HunterT
Replies: 10
by jackssmirkingrevenge » Tue May 08, 2012 11:45 am

First post

Just thinking aloud here, I'm contemplating a new knife project, not a ballistic knife though which fires off its own blade (painful if you have a...

Last post

that would make even the saltiest Spetsnaz troops fap... :D

... making them even saltier!

:D :D :D

:D

10 Replies

5269 Views

Last post by HunterT
Wed May 09, 2012 2:03 am
Combustion mortar

Last post by cammyd32
Replies: 1
by thrasmussen » Tue May 08, 2012 10:19 am

First post

I came up with a very simple way to get real mortar like action that should be legal.

Basically you have your mortar tube with the cap on the end...

Last post

I thought of an idea like that myself a while back, although I never had the funds to make it. I can't see anything wrong with it, as long as you get...

1 Replies

1428 Views

Last post by cammyd32
Tue May 08, 2012 10:47 am
my new valve fittings for 2" pneumatic and a hybrid

Last post by jakethebeast
Replies: 9
by matti » Tue May 01, 2012 5:46 am

First post

Hi, Here's my new valve fittings :D
They are 316 stainless and 2 diameter, piston valve body's outlets are
1 1/2 .. and yes there is two of them ! (...

Last post

Nice to see some fellow Finns in the forum! Go for that dual hybrid, that would be nice to hear :D

9 Replies

2502 Views

Last post by jakethebeast
Thu May 03, 2012 2:21 pm
Hybridly Formed Penetrator

Last post by jackssmirkingrevenge
Replies: 25
by jackssmirkingrevenge » Mon Apr 30, 2012 7:01 am
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After vaguely mentioning EFPs elsewhere, I came up with this bit of mental flatulence :D certainly there is nowhere near the power provided by high...

Last post

The crumpling problem is because he has nowhere near the pressure or velocity of an actual HE.

Yup, this isn't actually going anywhere with low...
25 Replies

7972 Views

Last post by jackssmirkingrevenge
Tue May 01, 2012 1:27 pm
General Purpose Electric Gun Design

Last post by DYI
Replies: 21
by DYI » Thu Feb 09, 2012 9:39 am
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Owing to the awful reload times characteristic of WARTL, I've come up with an entirely new configuration which should allow for insulators which can...

Last post

Warhead, 10 000psi is the fill pressure , which is quite easy to contain with proper materials. It's the expected ~100 000psi during the firing which...
21 Replies

7632 Views

Last post by DYI
Thu Apr 26, 2012 4:49 pm
Chronograph

Last post by Technician1002
Replies: 16
by natas » Sat Apr 21, 2012 3:59 pm
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I see a need for a chronograph soon. And have tried to find a crony thread inside here with no luck.
ill primarily use it for potatoes.
so I am...

Last post

I forger not everyone works with musicians. Not everyone has access to hundreds of feet of mic cord, mic stands, mixers, etc. :roll: I wouldn't put a...
16 Replies

6835 Views

Last post by Technician1002
Tue Apr 24, 2012 7:04 pm
Various Parts for Sale, Prices TBD and Negotiable

Last post by Lockednloaded
Replies: 4
by Lockednloaded » Sat Apr 21, 2012 3:27 pm

First post

I've got some extra parts I'm ready to clear out of my supply, I can give fair prices, but I only accept PayPal or exchange of service (machining and...

Last post

I pay 2.50 for Pressure Gauge number 3 with free shipping.

RJB INDUSTRIES

Isn't the point of selling something to at least make something? It...

4 Replies

1633 Views

Last post by Lockednloaded
Sun Apr 22, 2012 6:05 pm
Review: Harbor Freight 13" drill press (floor model)

Last post by Fnord
Replies: 16
by Fnord » Mon Feb 06, 2012 8:55 pm
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First post

(Central Machinery brand)
Alright, here's my preliminary review. I might be adding more details later as I discover them....

Last post

Oh no, the press as a whole is fine; accurate and plenty of power. The problem is they're using one little cheap cast alloy to act as part of the...
16 Replies

27853 Views

Last post by Fnord
Tue Apr 17, 2012 7:40 pm
Sights

Last post by PotatoEnemy17
Replies: 15
by battlelava » Fri Apr 13, 2012 3:53 pm
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I've done a few searches that came up blank so does anyone put sights on there cannons, or do they just wing it with good guesses with projectile...

Last post

If you really want this to look cool, the sights will help. But the sights probably won't help with accuracy much.
15 Replies

6152 Views

Last post by PotatoEnemy17
Sat Apr 14, 2012 9:06 am
hollow punches to make pistons

Last post by Brian the brain
Replies: 9
by jackssmirkingrevenge » Thu Apr 12, 2012 3:04 pm

First post

I often advocate the use of solid rubber pistons for coaxials punched out of thick rubber sheet using a sharpened section of chamber tubing. Turns...

Last post

I have a complete metric set of them...
But this is still true:

they might not fit the barrel as tightly as a piston cut with the housing...

9 Replies

2349 Views

Last post by Brian the brain
Sat Apr 14, 2012 4:48 am
Long combustion chamber HELP

Last post by Fnord
Replies: 15
by valentinesc » Mon Apr 09, 2012 9:28 pm
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Hello: My scouts made a potato cannon using a plan they saw on the net. Well when they went shopping they bought the wrong size pipe for the chamber....

Last post

Ya know, I've done a lot of spraying and praying with that old $0 combustion I built, with everything from MAPP to spraypaint. It takes practice, but...
15 Replies

4395 Views

Last post by Fnord
Thu Apr 12, 2012 5:37 pm

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