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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...

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thank you for creating this website is there anything i can do to help
15 Replies

1125871 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

578838 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

311512 Views

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

Topics

autocad/sketchup modelling

Last post by jackssmirkingrevenge
Replies: 3
by jackssmirkingrevenge » Mon Jan 12, 2009 1:12 pm

First post

Here's a little something I got from dewey-1 who sadly doesn't post here anymore, it's a blowgun modelled in 3D. I can only post screenshots but I...

Last post

Why did he bother putting the gauge port on top when there's no gauge?

Good place to thread an exhaust/filling valve ;)

JSR it's cool but why do...

3 Replies

9201 Views

Last post by jackssmirkingrevenge
Tue Jan 13, 2009 12:05 am
Camera placement for spudgun movies...

Last post by rp181
Replies: 7
by Daltonultra » Mon Jan 12, 2009 3:31 am

First post

Downrange is not optimum...

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that does not look even close to realistic. Plus, when you look through it, projectile is WAY higher then the camera.

7 Replies

2599 Views

Last post by rp181
Mon Jan 12, 2009 6:34 pm
gatling gun airsoft

Last post by inonickname
Replies: 7
by raptorforce » Mon Jan 12, 2009 12:45 am

First post

are they this simple:

(pneumatic)air runs constantly though a pipe without stopping
and the barrels spin around and they pick up a bb while...

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(I state the weaker part, because when I used my air engine to pulse feed for a auto feed, it was extremely weak. Probably more to do with the fit of...

7 Replies

6406 Views

Last post by inonickname
Mon Jan 12, 2009 2:47 am
Need help understanding recoil force

Last post by Daltonultra
Replies: 13
by Moonbogg » Sun Jan 11, 2009 3:01 pm

This question applies to an under over gun design.
OK, this might be obvious to some of you, and it would be obvious to me also if my gun wasn't...

13 Replies

5153 Views

Last post by Daltonultra
Mon Jan 12, 2009 2:40 am
Sprinkler Valve Sizes

Last post by inonickname
Replies: 3
by zac_sraw » Mon Jan 12, 2009 1:25 am

First post

Hey i was wondering what the smallest size sprinkler valves come in and if they make them in 1/2 .

thanks

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I saw 1/2 solenoids in a store (fair price for aus also) but they weren't threaded, but instead had hose barbs.

3 Replies

1491 Views

Last post by inonickname
Mon Jan 12, 2009 1:58 am
paint ball gun barrel dimentions.

Last post by Bubba05
Replies: 8
by Bubba05 » Tue Jan 06, 2009 10:19 pm

First post

Hey guys just a quick question?
Dose any one know the internal diamiter of a paint ball gun barrel. I know the ammo is .68, but what size is the...

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I'm designing a single shot sniper rifle with my uncle. This will bring a few challenges when playing the game as you will have to be like the...

8 Replies

3364 Views

Last post by Bubba05
Sun Jan 11, 2009 6:22 pm
Whats too heavy?

Last post by psycix
Replies: 6
by Moonbogg » Sat Jan 10, 2009 3:26 pm

First post

About how much does a PVC advanced combustion weigh? Full size, 4 chamber, 2 barrel, maybe 5ft long.

Last post

I wouldnt worry about a gun being to heavy. Lugging the heavy thing around just makes you stronger.

A man wielding a cannon has to look somewhat...

6 Replies

3825 Views

Last post by psycix
Sun Jan 11, 2009 5:27 pm
Pneumatic Pengun Design

Last post by sputnick
Replies: 6
by sv490665 » Thu Sep 18, 2008 1:17 am

First post

I haven't seen this done yet but maybe i've just missed something. It's just a theory, but would the shrader valve have enough flow to act as a pilot...

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Your trigger will not work, and even if it did, it is way to small considering the scale of the gun. The trigger would need a pin to push in the...

6 Replies

3089 Views

Last post by sputnick
Sat Jan 10, 2009 11:44 am
strongest joint copper ?

Last post by GalFisk
Replies: 5
by maggotman » Wed Jan 07, 2009 7:18 pm

First post

in the very near future i will be making a hi pressur copper coaxel

i have 2 choices solder the fittings or braise them
i would Imagen the brazed...

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Removable as in compression fittings? Those should not be used in cannons at all, they slip. I know of at least one accident with those (no injury...

5 Replies

2946 Views

Last post by GalFisk
Sat Jan 10, 2009 6:56 am
New Combustion Ignition?

Last post by GalFisk
Replies: 20
by Dgealy » Mon Jan 05, 2009 9:23 pm
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Has anyone tried to use cap gun caps to ignite the mixture of a spud gun?

Not sure if it would be practical, just wondering if it has been done.

Last post

A few summers ago I used paper caps for igniting my coke-bottle combustion, before I had made a portable electric ignition. I ignited them by...
20 Replies

10164 Views

Last post by GalFisk
Sat Jan 10, 2009 6:36 am
home made compressor (i have reached 1800psi)

Last post by Lentamentalisk
Replies: 92
by maggotman » Thu Dec 18, 2008 10:46 am
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diving pumps are stage pumps if you got a regular compressor and fet it into the intake of a fridge compressor it would step up the pressur insted of...

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Um... Not sure what you are talking about with the whole kinetic energy part. The steam is stationary. There is a load of potential and thermal...
92 Replies

26289 Views

Last post by Lentamentalisk
Sat Jan 10, 2009 3:47 am
12v Battery for Air Compressor?

Last post by TurboSuper
Replies: 13
by Davidvaini » Fri Jan 09, 2009 12:41 am

First post

Some people have been talking about 12v air compressors lately. Some more people have been talking about portable air supplies.

I was trying to come...

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A simple 12V lead-acid motorcycle battery would get the job done. They're still pretty heavy, but they're cheaper than an R/C toy battery, and...

13 Replies

6111 Views

Last post by TurboSuper
Sat Jan 10, 2009 1:30 am
Homemade chronograph

Last post by rp181
Replies: 54
by Antonio » Fri Jan 04, 2008 8:23 pm
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This post will give u instructions to measure the speed of your projectiles shot:

Materials needed:
1. mp3 player with recorder (or mic on a...

Last post

brplatz, Yours is quite different, ross uses a computer to automatically get the readings. This also helps in keeping results consistent. I was...
54 Replies

41481 Views

Last post by rp181
Thu Jan 08, 2009 10:03 pm
My latest greatest instructable

Last post by DeathBlade
Replies: 8
by DeathBlade » Thu Jan 08, 2009 4:01 pm

First post

I just finished my latest instructable, for a onboard air compressor (now I just need to rebuild my little golfball gun RIP buddy :cry: ) Any body...

Last post

What's wrong with PVC? I prefer to machine things out of billet aluminum too, but for just a keep in car cannon

Or make a small one running on...

8 Replies

3489 Views

Last post by DeathBlade
Thu Jan 08, 2009 9:50 pm
Coming Attractions for the New Year!

Last post by jackssmirkingrevenge
Replies: 13
by SEAKING9006 » Mon Jan 05, 2009 1:41 pm

First post

As a lot of you guys know, many of us have plans for our projects in 2009. Most of my projects however have been put on hold for a number of reasons,...

Last post

You don't know me very well...

It's just that the thought of a hybrid BBMG is so beyond my imagination I couldn't actual get my head around it :?

13 Replies

4831 Views

Last post by jackssmirkingrevenge
Thu Jan 08, 2009 12:20 pm
One quick idea...

Last post by Xxplosive42o
Replies: 3
by viskaren » Wed Jan 07, 2009 10:58 pm

First post

I was making one of my basic combustions, muzzle loaded, and I had an epiphany of sorts. By beveling the end of the barrel, you can just load a...

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I don’t mean to jump on the band wagon but that’s pretty much what everyone does now-a-days. You create a shorter more drastic edge on the interior...

3 Replies

2387 Views

Last post by Xxplosive42o
Wed Jan 07, 2009 11:13 pm
HOW TO: Phototransitor Chronograph

Last post by rp181
Replies: 26
by brplatz » Wed Jul 16, 2008 7:19 pm
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This Homemade Chronograph is partially built on Jim's homemade chronograph design (body) but we re did all the circuits for more consistant and...

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es, its to monitor the voltage pattern in the load (the coil) Right now im using a mechanical switch, but i am working on getting SCR's. This would...
26 Replies

14235 Views

Last post by rp181
Wed Jan 07, 2009 2:00 pm
weighted gun and accuracy

Last post by jackssmirkingrevenge
Replies: 11
by Sticky_Tape » Mon Jan 05, 2009 6:36 pm

First post

I had a thought and tested it on my new gun. The gun I used was a copper barrel sealer that is piloted by a ballvalve. Ballvalves that are used on a...

Last post

Gun weighs in at just over 600 pounds.... And its held to a 3,000 pound table using 1 bolts. :D

All this for a 50 cal? I've guessing it doesn't...

11 Replies

3011 Views

Last post by jackssmirkingrevenge
Wed Jan 07, 2009 1:57 pm
Dart ammo

Last post by THUNDERLORD
Replies: 22
by Vman » Sat Apr 19, 2008 8:16 am
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just had a really cool idea. i dont know if anyone has used this before but i was looking at different ways to make ammo and a lot of them looked...

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I had very good luck with these darts..There cheap and easy to make. Just wire nuts and nails, maybe some epoxy. and you dont really need a sobot....
22 Replies

10617 Views

Last post by THUNDERLORD
Wed Jan 07, 2009 10:05 am
Recoil Calculator

Last post by Moonbogg
Replies: 3
by Moonbogg » Sun Jan 04, 2009 3:29 pm

First post

I am designing a hybrid and needed to know recoil calculations and I found this. Many of you may already have something, I really don't know. But I...

Last post

Alright i'm gonna go get a physics degree and i'll be right back.

3 Replies

3429 Views

Last post by Moonbogg
Sun Jan 04, 2009 4:35 pm
Is there ever going to be a massive meet in Australia?

Last post by john bunsenburner
Replies: 21
by Redcoat » Sat Sep 22, 2007 12:15 am
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Hi all,

Kinda peeved, but would there ever be a meet in Australia?

i mean it's getting annoying, I know the cops would show up so maybe someone...

Last post

oops, sorry just read the last posts date...my bad.
21 Replies

8177 Views

Last post by john bunsenburner
Sat Jan 03, 2009 8:49 am
Spud Related Christmas Gifts

Last post by Maniac
Replies: 74
by MrCrowley » Wed Dec 24, 2008 9:23 pm
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If anyone got any spud related christmas gifts, post 'em below.

I got a Sony DCR-DVD610e HD video camera. I can't find out what the fps is but as...

Last post

paintball gun and clothes(for paintball),ghillie suit and an airsoft rifle.

Could you specify the PB and Airsoft guns.
74 Replies

24782 Views

Last post by Maniac
Fri Jan 02, 2009 6:04 pm
Small barrel ammo block

Last post by rp181
Replies: 4
by jared555 » Fri Jan 02, 2009 2:47 pm

First post

What would the best way be to stop small ammo (marbles, etc.) from going all the way back in the barrel into the valve, etc. without restricting...

Last post

a single strand of fishing line works well, a machine screw will work too.

4 Replies

1563 Views

Last post by rp181
Fri Jan 02, 2009 5:27 pm
Death of a DVD Player

Last post by frankrede
Replies: 27
by MrCrowley » Mon Dec 29, 2008 9:59 pm
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Well first came Death of a Fridge and now that my DVD player no longer works, I present to you the second installment...

Death of a DVD Player

Last post

perhaps some sheet acrylic would be cheaper?
27 Replies

5491 Views

Last post by frankrede
Wed Dec 31, 2008 1:49 am
What's perfect ammo for a 3/4 pvc barrel??

Last post by spencetron
Replies: 13
by pnematicrookie » Mon May 05, 2008 4:05 pm

First post

i've been tryin to find ammo for my guns, that will flushly fit my 3/4 pvc barrels...and even 1in barrel...i believe im loosing out on the power of...

Last post

5/8 rubber washers are a super nice fit, and make possible some very nice custom rounds.

36grams, dual sealing washers, weighted front. epoxy...

13 Replies

6848 Views

Last post by spencetron
Tue Dec 30, 2008 11:32 pm

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