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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

661648 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

387701 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...

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

203025 Views

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

Topics

Piston/Hammer Valve combo

Last post by Skywalker
Replies: 12
by Hawkeye » Tue Nov 13, 2007 7:22 pm

First post

One more thought on repeating shot capability.
This one involves two fairly large tanks pumped to very high pressure. One is set up like any regular...

Last post

Yeah, good work Hawkeye. I like your solution of only opening the refill valve at a certain time, rather than trying to get it to close at a certain...

12 Replies

3691 Views

Last post by Skywalker
Wed Jan 02, 2008 1:39 pm
Happy Birthday 2008!

Last post by jackssmirkingrevenge
Replies: 24
by MaxuS » Mon Dec 31, 2007 7:03 pm
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..And a merry new year to you all..

Anyone have any new year resolutions?
Apparantly, 9 out of 10 new years resolutions fail miserably, so make them...

Last post

What a night! Started 2008 with the worst hungover in months, damn champagne, and was sick in bed till late afternoon, completely missing the...
24 Replies

4627 Views

Last post by jackssmirkingrevenge
Tue Jan 01, 2008 11:32 pm
What tools should I buy?

Last post by Carlman
Replies: 24
by pat123 » Wed Dec 26, 2007 11:31 am
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I got some money and gift cards for christmas and I have nearly no tools to make spudguns. just a drill and thats about it. I was hoping that someone...

Last post

And Carlman, what cane toad invasion? :shock:

The one that is moving across Australia from the east to west...im in the west, but im ready lol,...
24 Replies

5527 Views

Last post by Carlman
Tue Jan 01, 2008 10:58 pm
After Christmas Sale!

Last post by MrCrowley
Replies: 19
by BC Pneumatics » Thu Dec 27, 2007 2:17 am
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Christmas is over, and you know that that means- You don't have to pretend to get along with your family again for another year... Okay, just...

Last post

It's over isn't it? :?
19 Replies

4254 Views

Last post by MrCrowley
Tue Jan 01, 2008 4:48 pm
Calculating Gun Performance

Last post by Ragnarok
Replies: 3
by dapaintballer331 » Tue Jan 01, 2008 2:47 am

First post

I made a quick physics calculator in PHP.
All numbers given will never be reached because of air drag, but they can give you a rough estimate. This...

Last post

Hmm. For the first calculation;
If a projectile's path is perfectly parabolic, air resistance has little affect.
That isn't true.
I hate to...

3 Replies

5911 Views

Last post by Ragnarok
Tue Jan 01, 2008 1:31 pm
Superfast valve idea

Last post by Carlman
Replies: 13
by Gunner » Wed Dec 26, 2007 11:23 am

First post

Just came my mind, and I think that valve could be pretty fast if it works.

Last post

hmm looks complicated lol, could make for a fast bb gun...

13 Replies

3502 Views

Last post by Carlman
Mon Dec 31, 2007 1:25 pm
Theoretical Turret Mount To Go-Kart

Last post by Carlman
Replies: 5
by chris_overlord » Sun Dec 16, 2007 6:22 am

First post

Plain and simple, I am not giving advice to anyone as I haven't produced this for myself yet so I can't say how it will turn out. However, I still...

Last post

that could actually work well, drive 10m shoot 100m, drive 10m shoot 100m lol :D

5 Replies

1900 Views

Last post by Carlman
Mon Dec 31, 2007 1:23 pm
Good spudgun ignitor need help

Last post by Carlman
Replies: 10
by mauritstheman » Sat Dec 08, 2007 8:19 am

First post

i need a good ignitor for my spud gun but it is very hard to get in the netherlands like a grill ignitor kit any1 knows

another Question what size...

Last post

you could use a neon transformer, like the ones for shop signs. Here is the link:

10 Replies

3392 Views

Last post by Carlman
Mon Dec 31, 2007 1:18 pm
auto piston v2.0

Last post by punkin
Replies: 36
by jackssmirkingrevenge » Fri Dec 21, 2007 5:07 am
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Following the abject failure of my auto-piston prototype and the suggestions made on the thread (cheers clide :D) I've come up with a less...

Last post

Amen JSR! My family doesn't understand why I've been working from 7am to 10pm in near zero temps to get my workshop sheetrocked (and FINALLY ready to...
36 Replies

15213 Views

Last post by punkin
Sun Dec 30, 2007 11:24 pm
"Novelty" Igntion Source - 2 kV Neon Sign Transfor

Last post by jimmy101
Replies: 12
by mark.f » Fri Dec 28, 2007 10:29 am

First post

I finally got it shipped in from All Electronics. It's simply a 2 kV AC neon sign transformer. So far, I've been powering it off of a 12 volt...

Last post

Mark

I would think you want the gap up near the limit that it'll spark at, perhaps 0.03 .

The 9V transformer should be fine so give it a try.

One...

12 Replies

2822 Views

Last post by jimmy101
Sun Dec 30, 2007 12:53 pm
alternate power

Last post by POLAND_SPUD
Replies: 64
by jon_89 » Tue Dec 18, 2007 1:33 am
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Are there other power sources besides pnuematic and combustion? I am looking for something just to try out.

Last post

heating air doesn't improve the effeciency as much as using steam... steam seems more practical and affordable as an alternative source of power than...
64 Replies

15832 Views

Last post by POLAND_SPUD
Sat Dec 29, 2007 3:31 pm
100% seal, no O-rings!

Last post by brogdenlaxmiddie
Replies: 38
by Brian the brain » Mon Feb 12, 2007 3:55 pm
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I took a long look at the rubber diaphram in bike pumps and decided to use that to build a better piston.The phram works like a one way valve and...

Last post

Does this clever design work as well, if not better than say other piston valves, specifically ones that use a solid piston?
38 Replies

21531 Views

Last post by brogdenlaxmiddie
Sat Dec 29, 2007 2:58 pm
Information about O-rings

Last post by cdheller
Replies: 9
by Velocity » Fri Dec 28, 2007 12:24 am

First post

As I approach the final setup of my lathe (weeks away, given my short Christmas break, loads of homework, and general laziness and disorder), I am...

Last post

a free for the downloading program inPHorn from Parker Hannifan turned up this.
you probley want to do your own numbers though.
Im guessing clide's...

9 Replies

2219 Views

Last post by cdheller
Sat Dec 29, 2007 1:35 pm
Spec Sheet ASCO 8353 Series

Last post by sjog
Replies: 10
by dewey-1 » Wed Dec 26, 2007 11:00 am

First post

The 1-1/2 inch valves off e-bay are 8353H38

Last post

I bought one too!
Should be interesting to see the different launchers w/this valve.

10 Replies

3022 Views

Last post by sjog
Fri Dec 28, 2007 9:17 pm
Large Pilot or Flow Restriction?

Last post by jackssmirkingrevenge
Replies: 3
by kablooie » Fri Dec 28, 2007 12:14 am

First post

I am building a cannon very similar to the Fish killer 2 (seen here: I hope that's alright with PVC Arsenal 17). The differences are that mine will...

Last post

In that case, the blowgun-mounted-directly-on-valve-rod idea will still work for this option .

3 Replies

1173 Views

Last post by jackssmirkingrevenge
Fri Dec 28, 2007 1:19 am
SUCCESS! JSR concept turned prototype!

Last post by jackssmirkingrevenge
Replies: 15
by punkin » Wed Dec 19, 2007 10:44 pm
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Without being chastised, I moved my posts from the BBMG/Strafer to here, I guess it's a better fit.

After being frustrated with my failed...

Last post

My wife, who tolerates my silly little projects keeps reminding me of how many different filaments that Edison tried before he created a working...
15 Replies

6085 Views

Last post by jackssmirkingrevenge
Thu Dec 27, 2007 4:07 pm
Electronic spark

Last post by Bubba05
Replies: 17
by ralphd » Mon Dec 24, 2007 3:01 pm
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Does anyone have a good, reliable, online source for electric grill igniters. Since it's winter time everyone has stowed their outdoor stuff.

Not...

Last post

Oh god?
Piss in and industrial fan and hope we dont get wet??
What the dickens do you do?

Bubba
17 Replies

4478 Views

Last post by Bubba05
Thu Dec 27, 2007 7:45 am
What should I build next?

Last post by jackssmirkingrevenge
Replies: 9
by gwoloshyn » Wed Dec 26, 2007 12:59 am

First post

I have $80 from Christmas (along with a brand new Dremel accessory kit!) and I'm looking to build either a basic combustion (but a really cool...

Last post

350 ft/lbs is very, very little.

Tell that to anyone who's been shot with a '45 :p :)

9 Replies

2229 Views

Last post by jackssmirkingrevenge
Wed Dec 26, 2007 10:32 pm
How to: Fix a bad O-Ring Groove

Last post by clide
Replies: 6
by dongfang » Tue Dec 25, 2007 9:33 am

First post

Hi,

I just discovered that putting a couple of layers of teflon tape into an O-ring groove that was cut slightly too deep helped the ring seal much...

Last post

I think it was clide who posted this suggestion on the old SGTC forums one time. Can't remember the specific thread, though.

Yeah that was probably...

6 Replies

4287 Views

Last post by clide
Wed Dec 26, 2007 10:30 pm
Homemade Ballistics Gel Tests

Last post by jackssmirkingrevenge
Replies: 15
by c19o » Tue Dec 25, 2007 1:57 am
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Well I found some gelatin powder in the pantry so u know what that means!

Ammo was some .177 BBs at one pump from a Daisy Powerline 880.....

Last post

Where did you find this? A website?

good ol' wikipedia ;)
15 Replies

4750 Views

Last post by jackssmirkingrevenge
Tue Dec 25, 2007 5:55 pm
Who is in Washington State??

Last post by Solar
Replies: 6
by cwazy1 » Tue Dec 25, 2007 1:42 am

First post

Yeah so im just wondering whos in washington state? i know pete zaria is, who eles?

Last post

I'm located just outside of Redmond. You guys should all come to the launch party as it were of my 40mm. www.eclipselauncher.com I'll post the date...

6 Replies

2692 Views

Last post by Solar
Tue Dec 25, 2007 3:53 am
Bump for great justice

Last post by th3p0p0
Replies: 4
by benstern » Mon Dec 24, 2007 10:27 pm

First post

I miss the good ol days.

Last post

wow that was scary and funny at the same time lol that made my day.

4 Replies

1444 Views

Last post by th3p0p0
Tue Dec 25, 2007 12:53 am
After Christmas Blast

Last post by MrCrowley
Replies: 12
by rna_duelers » Wed Dec 19, 2007 1:43 am

First post

At Christmas time I am going to see my uncle who is very useful for when it comes to spudding,he is a plumber and other things and being a plumber it...

Last post

Wait, was it JSR or Crowley that was complaining about people's feet being in pictures a while back? Anyhow...

I think that thing would make a...

12 Replies

2192 Views

Last post by MrCrowley
Mon Dec 24, 2007 7:32 pm
Reducing recoil energy

Last post by bluerussetboy
Replies: 36
by SpudBlaster15 » Sat Dec 22, 2007 3:37 pm
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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

considering your launchers come out looking pretty nice, i look forward to seeing the end result.
36 Replies

7481 Views

Last post by bluerussetboy
Mon Dec 24, 2007 7:30 pm
A couple Questions

Last post by bigbob12345
Replies: 6
by bigbob12345 » Sun Dec 23, 2007 8:11 pm

First post

Okay my first Question is if a 1in sprinkler is enough to pilot 2 3ft long 2in wide chambers if not I will use duel sprinkler valves. Next is DWV...

Last post

My Barrel will be 1.5in SDR21.I do have a 2in piston leftover from one of my guns that had a big fat leak in it so I guess I could use that for the...

6 Replies

1339 Views

Last post by bigbob12345
Mon Dec 24, 2007 9:48 am

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