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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

1125889 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

578854 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

311516 Views

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

Topics

Working with the Eclipse

Last post by Solar
Replies: 114
by Ragnarok » Tue Nov 25, 2008 5:22 pm
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First post

It was a fairly hefty surprise to me to open my PM inbox last week and read the latest PM in there. There's even a chip in the edge of my desk...

Last post

Ragnarok: To answer your question... no. But I did make a timer for aerosol grenades within a week working from a 16x16 army tent heated by a wood...
114 Replies

23018 Views

Last post by Solar
Wed Dec 03, 2008 4:31 am
Airsoft bb's not indicating on a chrony. Problem solved.

Last post by Gippeto
Replies: 14
by Gippeto » Sat Nov 29, 2008 5:48 pm

First post

I've been trying to get some velocity readings on a little project . :)

Specs aren't too important for the question, but what the heck. :D...

Last post

@ Rag;

Within roughly 6 . I'll be taking a video later to include when I post it.

I trust that will be satisfactory evidence? :)

Coming soon to a...

14 Replies

4806 Views

Last post by Gippeto
Mon Dec 01, 2008 2:12 pm
A potato gun story of sorts... xkcd style

Last post by FishBoy
Replies: 13
by Fnord » Thu Nov 27, 2008 7:39 pm

First post

Just a comic I made over the last couple days. I can't even remember why I drew it other than boredom.
It's the story of a series of weird events...

Last post

haha, nice job. I'd like to see some actual pics of the second gun however

13 Replies

5265 Views

Last post by FishBoy
Sun Nov 30, 2008 1:15 pm
ignitor help!!

Last post by LCTChamp
Replies: 7
by buggsysiegel77 » Sat Nov 29, 2008 6:29 pm

First post

Hi all, I am new to this site and pretty new to making spud guns... that being said I made what in my mind is a pretty awesome 6in to 3in 10.5 foot...

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You can use epoxy to cover the hole. I am not sure what type to use but i am sure JSR would.

7 Replies

6777 Views

Last post by LCTChamp
Sun Nov 30, 2008 10:00 am
Gun stocks

Last post by john bunsenburner
Replies: 19
by john bunsenburner » Thu Nov 06, 2008 3:30 pm
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OK i am building a new rifle and i want it to have a proper gun stock. I have a dreamel block of woad, selfmade sander and a power drill, then all...

Last post

I worked alot on the stock ut i didnt like it, so i am going to pour it from resin and fiberglass, check my post: pouring stocks

oh and nice stock...
19 Replies

8948 Views

Last post by john bunsenburner
Fri Nov 28, 2008 9:28 am
2008 pumpkin launching championship

Last post by ralphd
Replies: 5
by jmeyer1022 » Thu Nov 27, 2008 8:43 pm

First post

If you get discovery channel its on at 9 PM EST (15 minutes)

The cannons look pretty good the goal is 1 mile.

Discovery channel is lieing to me, It...

Last post

It was pretty good. I heard over my dead body at least one hundred times. We argued over the remote quite a bit.

5 Replies

1942 Views

Last post by ralphd
Fri Nov 28, 2008 9:22 am
Paintball MiniGun = Mine

Last post by SEAKING9006
Replies: 23
by socoj2 » Wed May 14, 2008 9:22 am
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So this is the start of my 2nd Project... Machining is Finished. Did an initial Assembly of parts everything went together pretty good with minimal...

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Me too, I'd love to see some updates on this. This site NEEDS another functioning industrial-grade automatic....
23 Replies

9086 Views

Last post by SEAKING9006
Thu Nov 27, 2008 1:03 pm
Cheap co2 regulator+hose

Last post by starman
Replies: 11
by frankrede » Wed Nov 26, 2008 6:24 pm

First post

After thanksgiving guys Lowes co2 regulators will be on sale for 50$

Last post

Plenty for pvc canons.

Yes, true true. I guess I was looking for a one size fits all solution for cheap.

11 Replies

2557 Views

Last post by starman
Thu Nov 27, 2008 12:43 am
best sprinkler valve??

Last post by frankrede
Replies: 5
by Baldwin1993 » Wed Nov 26, 2008 4:38 am

First post

hello everyone..
could someone please tell me what the best sprinkler valve would be to use for a sniper?

Last post

hello everyone..
could someone please tell me what the best sprinkler valve would be to use for a sniper? What you need is a quick exhaust valve

5 Replies

1840 Views

Last post by frankrede
Wed Nov 26, 2008 6:00 pm
my first attempt to a design

Last post by dudumcof
Replies: 7
by dudumcof » Thu Nov 20, 2008 8:39 pm

First post

i just exhausted myself in paint. do you guys think it will be worth it to build. this is my first attempt and im new to these forums. what do you...

Last post

its kind of like a paintball shot gun rocket launcher type of thing? i had a friend of mine machine three delrin blocks they are circles cut in half,...

7 Replies

1793 Views

Last post by dudumcof
Tue Nov 25, 2008 5:33 pm
2" sleeved GB barrel vs SDR 21 1.5

Last post by starman
Replies: 9
by jmeyer1022 » Tue Nov 18, 2008 12:06 am

First post

So I finally made a pneumatic cannon today and just wow... Shot alot of stuff and loved the fact that it had actually kick to it. Pneumatic won me...

Last post

(1.5 is what is used for golf balls isn't it?)

Yep, perfect golfball fit, plus very nicely sleevable into sched 80 2 . I don't think any other SDR...

9 Replies

3316 Views

Last post by starman
Tue Nov 25, 2008 2:00 pm
piston valve Pnuematic vs Advanced combustion.

Last post by jimmy101
Replies: 14
by jmeyer1022 » Sun Nov 23, 2008 11:39 pm

First post

I've built simple versions of Pneumatic and a moderate combustion (fan and propane, terrible ignition and sloppy set up.)

I'm wondering which one...

Last post

You might consider getting both HGDT and GGDT and fiddling around with various designs. Both programs are excellent, and if you can correctly model...

14 Replies

2805 Views

Last post by jimmy101
Tue Nov 25, 2008 11:22 am
Would you buy it

Last post by jrrdw
Replies: 1
by Moonbogg » Tue Nov 25, 2008 6:59 am

First post

I am a mechanical designer with manufacturing connections. I run a design business, I have an idea to design and sell a really nice aluminum...

Last post

I am a mechanical designer with manufacturing connections. I run a design business, I have an idea to design and sell a really nice aluminum...

1 Replies

1377 Views

Last post by jrrdw
Tue Nov 25, 2008 8:12 am
bb / paint ball hand gun

Last post by psycix
Replies: 2
by Scorch » Sun Nov 23, 2008 2:13 am

First post

Hi. I have made a few mini cannons, but I keep putting too much hair spray in them and they end up shaking apart :shock: so I was wondering if those...

Last post

Just vent out all to let fresh air in and then add in a LITTLE fuel.
Just a little.
It should fire.

How big is your chamber?
For a bb caliber I...

2 Replies

832 Views

Last post by psycix
Sun Nov 23, 2008 6:08 am
Request for PVC Burst Pressures Test Results

Last post by MrCrowley
Replies: 18
by fogus » Wed Nov 12, 2008 12:43 am
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First post

Hello All,

This is a request for anyone to post their experiences with PVC at high pressures, whether it burst or not.

I am most interested in...

Last post

MrCrowley the elbow blow out, was it on a pneumatic or combustion? From what I'm gathering from this thread it is the constant pressure of a...
18 Replies

9017 Views

Last post by MrCrowley
Thu Nov 20, 2008 2:56 pm
HecklerSpray

Last post by Ragnarok
Replies: 9
by MrCrowley » Tue Nov 18, 2008 1:39 pm

First post

Anyone here know the website HecklerSpray? It's from the UK I think.
Anyway it's like a news blog, but they like to take the piss out of celebrities...

Last post

So my estimate, about 5-6 new members
Oh no! However will we cope with that influx?
You've doomed us all Crowley!

No wonder they call you the...

9 Replies

2090 Views

Last post by Ragnarok
Tue Nov 18, 2008 9:11 pm
Deal of the century!

Last post by Carlman
Replies: 31
by Carlman » Thu Jul 03, 2008 4:11 am
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I just scored my self a 50mm (2 ) sprinkler valve for $3 yes thats right folks $3, a perfectly good (-solenoid) sprinkler valve for three measly...

Last post

dont you mean 15mm? well in aussieland its 15mm that fits marbles right 3/4 (20mm) is too big)

and yea i will do! :D
31 Replies

8614 Views

Last post by Carlman
Mon Nov 17, 2008 8:13 pm
Halo style breach

Last post by kuroryuu010
Replies: 9
by kuroryuu010 » Fri Sep 05, 2008 7:49 pm

First post

Hello, I recently thought up a design for a Halo rocket launcher style breach for a paintball cannon i am designing. I was thinking of using 1.5 inch...

Last post

Also, that suggestions with the sharpened metal ring sounds decent, but how would i rig that? I was thinking of just folding the tape onto itself on...

9 Replies

3226 Views

Last post by kuroryuu010
Mon Nov 17, 2008 12:47 am
DWV?

Last post by SEAKING9006
Replies: 7
by zach12 » Sun Nov 09, 2008 9:33 am

First post

ok so i'm making my golfball cannon after i found a supply shop near my house that sells SDR 21 (20 feet for 10 bucks :wink: ).my chamber is 3inch...

Last post

Many users on Spudfiles who are not allowed to order over the internet have found a Fastenal location near them. I myself have found them to be very...

7 Replies

4113 Views

Last post by SEAKING9006
Sun Nov 16, 2008 8:56 pm
What to make for 30-40m range accuracy with tennis ball

Last post by Ragnarok
Replies: 5
by urbanfarm » Thu Nov 13, 2008 6:33 am

First post

I have been looking at some of the designs to fire a tennis or golf ball a few hundred metres and some designers mention recoil.
However I never see...

Last post

A chick peas shotgun at very high pressure should work.
Nowhere near the terminal effectiveness and sectional density to be humane. I'd use no less...

5 Replies

4889 Views

Last post by Ragnarok
Thu Nov 13, 2008 8:22 am
Going out of my mind, thought you guys could help.

Last post by Biopyro
Replies: 13
by Drake78 » Wed Nov 12, 2008 10:20 am

First post

I'm a special effects artist and i'm doing a job where I need to blow up a fake head. I've built a pneumatic system, but it's not working the way I...

Last post

I'd go with the combustion route for this. Preferably a small bag or one of those plastic juice bottles filled with an acetylene or oxy/propane mix....

13 Replies

2658 Views

Last post by Biopyro
Thu Nov 13, 2008 3:34 am
SDR21 question

Last post by MrCrowley
Replies: 6
by zach12 » Sun Nov 09, 2008 9:55 am

First post

i bought SDR21 from a supply shop. i checked it and it said... 1 1/2 crestline SDR21. i dropped a golfball in it and it rolled down the barrel. is it...

Last post

As a side note, it seems to shoot better when the ball is tighter and tougher to push down the barrel. I am not sure if this is due to the fact that...

6 Replies

2763 Views

Last post by MrCrowley
Mon Nov 10, 2008 11:53 pm
Pvc chamber heating system?

Last post by SpudBlaster15
Replies: 28
by Demon » Wed Oct 29, 2008 7:10 pm
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I really need to make it(i live in canada):

My chamber is 2 inch x 12 ant it is pneumatic.

I will wrap it with 1/4 inch pressure rated hose and put...

Last post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...
28 Replies

8915 Views

Last post by SpudBlaster15
Sat Nov 08, 2008 12:38 pm
Legallity

Last post by john bunsenburner
Replies: 6
by greeneyehawk » Sat Aug 30, 2008 11:13 pm

First post

Where are potato cannons legal and illegal in California?

Last post

I might come from the country of loop holes and dump laws but i have found there is always some way to be able to do pretty much anything legally....

6 Replies

3799 Views

Last post by john bunsenburner
Thu Nov 06, 2008 2:19 pm
co2 pressure

Last post by Ragnarok
Replies: 13
by nsane-spuds » Tue Nov 04, 2008 6:34 pm

First post

Alright, so here is my question:

Is the pressure of co2 constant? I mean, if i have a full 12g co2 cartridge, and i empty out will the pressure in...

Last post

In fact, that IS a regulator. Congrats.
Sorry, this is not a regulator:

It's a check valve, and all it will do is let CO2 through from right to...

13 Replies

5842 Views

Last post by Ragnarok
Wed Nov 05, 2008 8:23 am

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