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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

652853 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

385162 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

200744 Views

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

Topics

How To: Easy O Ring Grooves without a lathe.

Last post by i-will
Replies: 8
by trae08 » Mon Feb 09, 2009 1:01 pm

First post

Alright ive never made a gun that required a piston or o ring grooves but im working on a new gun that does require them. So sense i don't have a...

Last post

i'm not too sure that ur groove will seal at all. looks like they r a little crooked and a saw blade give them a square cut. o-rings aren't square....

8 Replies

9428 Views

Last post by i-will
Wed Feb 11, 2009 4:01 pm
refrigerator air compressor help

Last post by inonickname
Replies: 3
by roughboy » Mon Feb 09, 2009 2:59 pm

First post

how do i turn a refrigeator compressor into a air compressor?

do i need to buy any parts to make it?

Last post

There.

Legible posts will help get your question answered, also consider to look before you post. That took me 10 seconds to find.

3 Replies

1382 Views

Last post by inonickname
Wed Feb 11, 2009 2:58 am
Supa Valve

Last post by mark.f
Replies: 9
by Angelica67 » Mon Feb 09, 2009 9:54 pm

First post

I am looking for a Supa Valve or something similar. Does anyone have any for sale?
MJR

:lol:

Last post

Depending on the author's patience and attention to detail, he could be very well capable of building a valve comparable to either a supah or mauler...

9 Replies

3104 Views

Last post by mark.f
Tue Feb 10, 2009 9:25 am
What do i have here?

Last post by jrrdw
Replies: 18
by john bunsenburner » Sat Feb 07, 2009 12:09 pm
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I got my self two check valves it turnes out they let air through both ways, so what the hell to i buy? Please help me out!

(thse...

Last post

Do you have a diagram drawn that you can post?
18 Replies

4154 Views

Last post by jrrdw
Sun Feb 08, 2009 7:57 am
Combustion Cannon - Illegal in the UK?

Last post by maggotman
Replies: 10
by jimmy163 » Tue Feb 03, 2009 2:17 pm

First post

Is it true you need a shotgun or FAC licence to legally own a combustion cannon in the UK?

I have one but I am not sure how legal it is. How can it...

Last post

Does anyone know of anyone who has ever been arrested in the UK for owning or using a combustion cannon?

yes, when i was 14 i got arrested with a...

10 Replies

10895 Views

Last post by maggotman
Fri Feb 06, 2009 2:05 pm
Slide check?

Last post by maggotman
Replies: 6
by Dave_424 » Wed Feb 04, 2009 10:22 am

First post

Just a quick question, would a 1/8 slide check rated to 16 BAR take unregged co2?

Would I be better off getting one for paintball, would it have...

Last post

most things have a working pressure with a big safty factor

dave i have taken a 15mm check valve to 600 psi what is its use in your gun

6 Replies

2417 Views

Last post by maggotman
Thu Feb 05, 2009 2:35 pm
The Community's Guide to Everything ~Please Contribute~

Last post by jmeyer1022
Replies: 9
by Coodude26 » Tue Feb 03, 2009 9:59 pm

First post

If you found an odd trick to find leaks, or a simple way of doing something very complicated (IE a fridge compressor guide) post away for the...

Last post

How to build 2 /1.5 porting piston valve step by step.

9 Replies

3275 Views

Last post by jmeyer1022
Wed Feb 04, 2009 11:50 am
Coleman Lantern Sparker in the UK?

Last post by Daltonultra
Replies: 4
by jimmy163 » Sun Feb 01, 2009 7:17 pm

First post

Looking for a lantern sparker to use as a 2nd ignitor, to be used if the other one fails or it just gives the choice.

However I cannot find these to...

Last post

Try looking for a brand called Kaufman.

4 Replies

2086 Views

Last post by Daltonultra
Tue Feb 03, 2009 5:59 pm
Taking the pengun to the next level

Last post by ALIHISGREAT
Replies: 4
by inonickname » Tue Feb 03, 2009 3:47 am

First post

Well after a spree of pen gun's and JSR's latest full auto works, I came up with this idea. It was inspired by the piston used in his gun and finding...

Last post

you could fill though the barrel by having a low PSI bumper behind the piston ... then increase the pressure behind the piston after fuelling... this...

4 Replies

1464 Views

Last post by ALIHISGREAT
Tue Feb 03, 2009 3:27 pm
Quick question on Mcmaster-Carr

Last post by rp181
Replies: 9
by jmeyer1022 » Thu Jan 29, 2009 12:21 pm

First post

I've been looking for SDR-21 and was wondering if product #48925K95 is it? I haven't seen anything else that could be it
The site says SDR-21 specs...

Last post

Didn't want to start a new topic. I got a mcmaster order today, but they replaced 2 alu. flat bars with 2 steel hinged things. Any idea what they...

9 Replies

2512 Views

Last post by rp181
Mon Feb 02, 2009 5:58 pm
.20caliber pellets in a 5mm barrel?

Last post by john bunsenburner
Replies: 7
by john bunsenburner » Mon Feb 02, 2009 10:25 am

First post

Well after searching around for about 5hours and writing 6 e-mails to just as many comapnies in switzerland i found that gettign a 4.5mm tube for...

Last post

I am far from being firm i just dont see how my valve is a blowgun or a hammer valve for that matter... I built it like the explosive air realease...

7 Replies

1203 Views

Last post by john bunsenburner
Mon Feb 02, 2009 3:09 pm
french fry challenge

Last post by psycix
Replies: 7
by sputnick » Fri Jan 30, 2009 12:40 pm

First post

Hey everyone,

I was talking with some friends about spud guns recently, and they were saying, what if you put a metal deicer in the front? 0.01...

Last post

That is how real fries are made, they essentially have a stream of potatoes flying out of a firehose towards a grate.
Sounds interesting. I did some...

7 Replies

2271 Views

Last post by psycix
Mon Feb 02, 2009 10:37 am
Sparker and ignition problems.

Last post by psycix
Replies: 10
by jimmy163 » Thu Jan 29, 2009 11:44 am

First post

I have been using a piezoelectric clicker out of an electric lighter. The spark is enough to ignite but it stops working after 1 combustion due to it...

Last post

If you can see the spark, then it is powerful enough to ignite. If you see a spark but it doesnt ignite, then there is something wrong with your mix:...

10 Replies

3119 Views

Last post by psycix
Mon Feb 02, 2009 10:09 am
My career starter

Last post by CrashTestDummy II
Replies: 16
by sputnick » Sat Jan 31, 2009 10:03 pm
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Hey everyone, This is really random, but it has been a quiet day today and I really got to thinking about the first site I ever saw about spud guns,...

Last post

My story's the similar to Starman's. I heard of tennisball mortars from a friend back in 6th or 7th grade, from a book called Backyard Ballistics....
16 Replies

4934 Views

Last post by CrashTestDummy II
Sun Feb 01, 2009 10:42 pm
Information u has

Last post by sandman
Replies: 13
by sandman » Fri Jan 30, 2009 1:43 pm

First post

ok, i am back again, after i left for like a month again, and i remember the first time i left someone asked me to see how many posts there were...

Last post

not really a class, its a part of engineering competitions, last yr i took second at robotics, so this yr i thought id try at multimedia, thank you...

13 Replies

3320 Views

Last post by sandman
Sun Feb 01, 2009 10:32 pm
Camera flash ignition

Last post by trigun
Replies: 9
by trigun » Sat Jan 31, 2009 1:30 am

First post

I have wired up my camera flash ignition. I was wondering why the automotive relay is needed to trigger it. Why can't it got camera to switch to...

Last post

The camera flash is for a hybrid I'm building so it is sort of a need more than a want. :D

9 Replies

3058 Views

Last post by trigun
Sat Jan 31, 2009 10:21 pm
weird gun

Last post by Sticky_Tape
Replies: 11
by ckman » Sun Jan 25, 2009 5:35 pm

First post

hey guys was just searching youtube today and found this strange gun that I can not seem to under stand how it works I think it is some sort of...

Last post

Oh aright it's all good.

11 Replies

3428 Views

Last post by Sticky_Tape
Sat Jan 31, 2009 3:32 pm
burst disc

Last post by starman
Replies: 8
by rp181 » Thu Jan 29, 2009 11:44 pm

First post

Hey, I was wondering if anyone knew if 1 layer of aluminum foil bursts in a 1/2 inch PVC union at 40-60PSI?

Last post

Anyone planning to build a burst disk system for any type cannon should plan on a fairly extensive testing session with their chamber and a...

8 Replies

2287 Views

Last post by starman
Fri Jan 30, 2009 10:47 pm
I took my compressor apart, and modded it for MOAR pressure.

Last post by maggotman
Replies: 16
by psycix » Wed Jan 28, 2009 6:26 pm
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I took my compressor apart because I wanted to see how it worked AND I wanted to see if I could improve/mod it. I noted that all parts were rated 12...

Last post

yes i onleay imputted 40psi into it and i got 800more but the motor was struggling
16 Replies

3769 Views

Last post by maggotman
Fri Jan 30, 2009 1:51 pm
awsome net gun tutorial

Last post by psycix
Replies: 3
by Pilgor » Wed Jan 28, 2009 5:24 pm

First post

see it in action

Last post

I'd wonder, would it still be just as much fun when one of the tractors hit someone in the face?
Remember he is firing at human beings here.

3 Replies

3087 Views

Last post by psycix
Fri Jan 30, 2009 8:31 am
Where do you buy supplys

Last post by john bunsenburner
Replies: 15
by john bunsenburner » Wed Jan 28, 2009 3:18 pm
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First post

Most of the time us spudders will work with what we have, but then every so often you notice:
Damn for some wierd reason the hard ware store(my...

Last post

Ok thank you!(message too short)
15 Replies

3123 Views

Last post by john bunsenburner
Fri Jan 30, 2009 1:08 am
wax slugs and how to make them

Last post by Sticky_Tape
Replies: 17
by bassmaster1228 » Thu Jul 26, 2007 11:34 pm
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this is an easy way to make wax slugs without having to melt the wax and pour it into a mold...(this is faster)

first you will need: tongs, wax,...

Last post

Dead topic anyone? Regardless I made some slugs out of wax and bb's it is like a foster sug with all the bb's in the front of the slug and a hollow...
17 Replies

11702 Views

Last post by Sticky_Tape
Thu Jan 29, 2009 3:22 pm
Made the holes too big!

Last post by inonickname
Replies: 13
by jimmy163 » Wed Jan 28, 2009 12:57 pm

First post

Right so I am using a lighter sparker for ignition. It is fairly weak but can create sparks around 1.5cm long which works well.

The bolts I...

Last post

Good to see you have it sorted, but still take to those bolts with a dremel, file or bench grinder and maker them into sharp points (consider you...

13 Replies

3216 Views

Last post by inonickname
Wed Jan 28, 2009 7:45 pm
Modifying My Compressor

Last post by trae08
Replies: 6
by trae08 » Tue Jan 27, 2009 8:16 pm

First post

Ok well i have a 3 gallon craftsmen compressor which works fine but with even an average size chamber fired repeatedly it takes a min for it to catch...

Last post

alright well this morning right when i got off work i went and tested everything. first let me say that the bolt holding the piston arm on the...

6 Replies

1879 Views

Last post by trae08
Wed Jan 28, 2009 9:13 am
Lowes not selling pressure rated about 2"

Last post by starman
Replies: 4
by jmeyer1022 » Tue Jan 27, 2009 9:56 pm

First post

I'm not sure if it's only the Lowe's near me but they stop doing NSF-PW at 2 products.
Anyhow there's a new Lowe's opening on the 2nd hopefully they...

Last post

I have noticed that there is more SDR (thinner walled) pipe 3/4 to 1.25 starting to show up at Home Depot and Lowes...no 1.5 SDR unfortunately.

I...

4 Replies

1355 Views

Last post by starman
Tue Jan 27, 2009 10:51 pm

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