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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

1079590 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

553024 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

300220 Views

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

Topics

Quieter Launchers

Last post by PeteS
Replies: 10
by PeteS » Wed Nov 13, 2013 3:09 pm

First post

I have been tinkering with a silencer on one of my combustion launchers and it has been somewhat successful. The silencer volume is about the same as...

Last post

What are you using for fuel? In my experience, a C:B ratio of 0.9:1 - 1:1 with a 1.5 or 2 bore makes for a pretty quiet, relatively well performing...

10 Replies

5746 Views

Last post by PeteS
Sat Nov 16, 2013 9:09 am
spudgun range, are we falling short?

Last post by jackssmirkingrevenge
Replies: 751
by jackssmirkingrevenge » Sat Mar 26, 2011 9:21 am
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First post

Firstly, I apologise for opening with such a terrible and obvious pun.

This rant is prompted mostly by this post by MrCrowley - an experienced...

Last post

Had me mentioned this?
751 Replies

205697 Views

Last post by jackssmirkingrevenge
Fri Nov 15, 2013 3:40 pm
New Kid with a Beast Cannon

Last post by dart guy
Replies: 11
by Wyatt Clark » Mon Nov 11, 2013 2:41 pm

First post

Hey guys I'm new here and I've been working on the awesome cannon, its not quite done yet, and I wanted to know what you guys thought of the specs...

Last post

The spud gun kitty returns.

11 Replies

8611 Views

Last post by dart guy
Fri Nov 15, 2013 8:30 am
Mini Hybrid How To

Last post by jackssmirkingrevenge
Replies: 2
by Wyatt Clark » Tue Nov 12, 2013 3:05 pm

First post

I want to know everything you need to know to make a mini hybrid cannon like how you fuel it and materials ect. ect.

Last post

if you can't figure it out from here then you probably shouldn't make one ;)

2 Replies

4836 Views

Last post by jackssmirkingrevenge
Tue Nov 12, 2013 6:04 pm
Measuring sound of launcher?

Last post by jackssmirkingrevenge
Replies: 1
by PeteS » Sat Nov 09, 2013 2:10 pm

I found an sound meter app for my phone, but it is limited to 90 db and I am sure most of my cannons exceed that. Any inexpensive solutions to...

1 Replies

1177 Views

Last post by jackssmirkingrevenge
Sat Nov 09, 2013 2:42 pm
Side-actuated release valve

Last post by Gun Freak
Replies: 7
by Bando_Red » Mon Nov 04, 2013 10:05 pm

First post

my regular computer died and this one has trouble viewing a lot of the attachments here. I tried to avoid flat out asking how do I do this kinda...

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Just something to think about- I don't know what style blowguns you have access to, but the inline design with the lever-style hammer (not the pistol...

7 Replies

4390 Views

Last post by Gun Freak
Fri Nov 08, 2013 11:13 pm
Happy day

Last post by PeteS
Replies: 2
by PeteS » Thu Nov 07, 2013 3:37 pm

First post

I am really happy to report that my Chrony came today and the remaining stuff to finish my hybrid should be here in the next couple days. I love new...

Last post

Hopefully I can avoid that for a while at least :)

2 Replies

6041 Views

Last post by PeteS
Fri Nov 08, 2013 5:48 pm
the spudfiles coin challenge

Last post by dart guy
Replies: 69
by jackssmirkingrevenge » Thu Sep 13, 2007 12:16 pm
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Following on from this thread , I thought I'd see if my 6mm burst disc project was up to the challenge. Target was a 10 Euro coin (I hear the dollar...

Last post

then you must not have seen automatic weapons :D
69 Replies

26305 Views

Last post by dart guy
Wed Nov 06, 2013 6:42 am
Fly-swatter Ignition

Last post by jackssmirkingrevenge
Replies: 12
by CpTn_lAw » Tue Oct 29, 2013 10:53 am

First post

Hey there,
Been doing some spudgunning these days. So I took the old combustion out, and saw it needed another ignition since the previous one was...

Last post

The picture here is a 3.2 second exposure @ f/8 and ISO 800. It has been cropped aswell, and a little post prod in lightroom gave it the nice...

12 Replies

13956 Views

Last post by jackssmirkingrevenge
Wed Nov 06, 2013 5:30 am
Where to fire my launchers?

Last post by Zeus
Replies: 3
by PeteS » Tue Nov 05, 2013 1:44 pm

First post

As my launchers get bigger, faster, and generally more powerful, I have gotten to the point where I am afraid to really push most of them indoors...

Last post

Noname, your biggest problem is living in Commiefornia. Bite a right angle into a pop tart at school and the cops are called, but suggest that you...

3 Replies

1726 Views

Last post by Zeus
Wed Nov 06, 2013 1:47 am
Hammer valve how to(valve+trigger part)

Last post by wyz2285
Replies: 47
by wyz2285 » Mon Aug 15, 2011 12:02 pm
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As somebody asked me to make a how to about using a blowgun to make a hammer valve, here it goes :)
I will make a video for it, but for now only...

Last post

One picture worth a thousand words, can't make things anymore clear.
Made with Autodesk Inventor.
47 Replies

58254 Views

Last post by wyz2285
Sat Nov 02, 2013 4:37 pm
The ATF and spud guns.... The times they are a changin'....

Last post by Gippeto
Replies: 18
by D_Hall » Fri Jul 12, 2013 2:35 pm
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So we all know that the ATF has historically viewed spud guns as toys and not worthy of their attention. Well, it appears that the continued advances...

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Honestly... I'd like to see real world cases of people being prostituted...

Really? Shouldn't be TOO hard. :wink: :lol:
18 Replies

11720 Views

Last post by Gippeto
Fri Oct 25, 2013 7:30 pm
1'' Sprinkler Valve Pneumatic Cannon

Last post by mark.f
Replies: 3
by millons70 » Sun Oct 20, 2013 3:51 pm

First post

It's an ugly design, but it gets the job done. I had these parts lying around so I decided today would be a great day for a cannon.

Parts List:...

Last post

The plain truth is that no big box store is going to have fittings that large pressure rated. You're going to have to order them online or search out...

3 Replies

3316 Views

Last post by mark.f
Sun Oct 20, 2013 5:56 pm
pneumatic chamber / barrel ratio

Last post by dart guy
Replies: 5
by dart guy » Sat Oct 12, 2013 8:04 pm

First post

i just thought about this but has anyone ever checked if the chamber/barrel ratio ever mattered? i looked at some old mini's and i thought about that...

Last post

thanks link is bookmarked

5 Replies

2509 Views

Last post by dart guy
Sun Oct 13, 2013 6:09 pm
Blowback cartridge gun

Last post by dart guy
Replies: 2
by dart guy » Fri Oct 04, 2013 11:09 pm

First post

I have these Insane ideas for a blowback gun, 1 make co- axle shells with a round that will fit a barrel quite snugly after being fired, 2 to make a...

Last post

i would be posting more but out of all the copper we have we are missing importaint peices to make something of value,when i plan my ideas and have...

2 Replies

3419 Views

Last post by dart guy
Sat Oct 12, 2013 11:10 pm
what size check valve?

Last post by Gun Freak
Replies: 5
by spudhead » Sat Oct 05, 2013 11:06 am

First post

hello, i am new to spud files. i would like to thank everyone for posting their projects and the owner of spud files for this site. i am building 1/2...

Last post

Reducing the pipe size would help because it would reduce pilot volume. It appears you have already connected that fitting but if you can, replace it...

5 Replies

3197 Views

Last post by Gun Freak
Fri Oct 11, 2013 6:47 pm
Pressure Amplifier Spud Launcher?

Last post by Technician1002
Replies: 11
by PeteS » Wed Oct 09, 2013 8:56 am

First post

I have been thinking of building a launcher that works like a pressure amplifier, basically a two stage launcher. It would consist of two chambers...

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I've had good luck simply using a sabot. This can take the force of a large area and apply it to a small dense projectile. This was done in a thread...

11 Replies

8094 Views

Last post by Technician1002
Fri Oct 11, 2013 10:25 am
Pressure Instrumentation

Last post by jimmy101
Replies: 15
by PeteS » Sun Sep 22, 2013 7:32 pm
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I'd like to be able to graph actual chamber pressure over time. Is there a reasonably easy and inexpensive way to do this?

Last post

What Ramses said.

The problem is that in a combustion chamber (1) the gas temperature is very high but the amount of heat is pretty low and (2)...
15 Replies

9160 Views

Last post by jimmy101
Tue Oct 01, 2013 6:16 pm
Indoor backstop

Last post by jackssmirkingrevenge
Replies: 10
by PeteS » Fri Sep 13, 2013 6:48 pm

First post

I don't have a working laptop other than a chromebook so I need to do my chrono stuff indoors. So far I have been using light projectiles (wadded up...

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I've used all of aluminum foil balls, plasticine (low speed only, the density is quite high), water (liquid), sawdust, soil, low density foam and my...

10 Replies

3959 Views

Last post by jackssmirkingrevenge
Mon Sep 30, 2013 7:00 am
Propane in Fire Extinguisher

Last post by Technician1002
Replies: 9
by pneumaticcannons » Mon Sep 23, 2013 7:22 am

First post

Wow... It's been a while :shock:
Well I've been thinking of using an emptied 5lb ABC powder fire extinguisher as a refillable propane tank for one...

Last post

This is why BBQ tanks have overfill protection float valves, and disposable tanks are filled by weight and are not refillable, legally anyway. For...

9 Replies

7012 Views

Last post by Technician1002
Thu Sep 26, 2013 6:35 pm
Epoxy Question

Last post by PeteS
Replies: 2
by PeteS » Fri Sep 20, 2013 5:41 am

First post

I am fitting my custom made end caps, adapters, and so on in aluminum tubes. This is on mini sized stuff so far. Should I make the parts a snug fit...

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Thanks. Good to know as that is what I have been doing. I wondered because with clamped wood joints there was some danger of glue starved joints with...

2 Replies

1454 Views

Last post by PeteS
Fri Sep 20, 2013 2:51 pm
youtoube ideas/questions

Last post by jackssmirkingrevenge
Replies: 1
by dart guy » Sun Sep 15, 2013 5:24 pm

First post

has anyone ever cleaned their cannons/airguns. :D
and that is all of the silencer vids hope it helps you make scilencers just some cool youtube...

Last post

also i as wondering has anyone made an arrow launcher?

1 Replies

1267 Views

Last post by jackssmirkingrevenge
Mon Sep 16, 2013 7:41 am
Any Canadians out there?

Last post by BigDeutcher
Replies: 16
by thetyzonator » Sun Jan 09, 2011 6:28 pm
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Hey I was just wondering how many Canadians are on this site and specifically if there are any in Saskatchewan? Maybe we could organize a provincial...

Last post

Good to know the voyage went well!!

The trip was awful, complete with two extra flights... But I'm here now, settling down :)

Gippeto, not enough...
16 Replies

8809 Views

Last post by BigDeutcher
Sat Sep 14, 2013 12:37 pm
Spud Shootout PEI Canada

Last post by jrrdw
Replies: 4
by shiftyguy » Wed Sep 26, 2007 1:09 pm

First post

Anyone interested in a spud shootput in PEI Canada?

Last post

Guys this thread is 5 years old. If you want to get a meet together start a new thread in the IPLA Discussion Section.

4 Replies

4117 Views

Last post by jrrdw
Fri Sep 13, 2013 3:54 am
explosive ammo thats not pyrotechnic

Last post by nathan9117
Replies: 29
by twizi » Wed Mar 18, 2009 7:31 pm
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this is not my idea after that enjoy

this is a simple way to make a very good explosive ammo

step 1 take blowtorch melt some glass stick it in a...

Last post

Just stumbled upon this while looking through the how to's. I must say even though it is from 2010 if anyone does this please be careful. We did this...
29 Replies

13652 Views

Last post by nathan9117
Fri Sep 06, 2013 12:45 am

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