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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

1065939 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

531665 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

296142 Views

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

Topics

MAP Gas

Last post by boilingleadbath
Replies: 6
by UnrealityisReal » Thu Feb 10, 2005 10:52 am

First post

I have a combustion cannon that uses propane and i was interested in upgrading to MAP Gas. Does anyone have any information regarding the safety of...

Last post

The aerodynamic forces are smaller than the forces inside a launcher... that potatoe was damaged in the barrel, not the air.

It does result in...

6 Replies

3594 Views

Last post by boilingleadbath
Wed Aug 03, 2005 2:58 pm
necessary to solvent weld sprinkler valves?

Last post by boilingleadbath
Replies: 5
by milty » Fri Jul 29, 2005 10:43 am

First post

when you are attatching sprinkler valves, do you need to solvent weld them to the pvc?

Last post

Lots of brands have slip joints. (that means you solvent weld them to the outside of the pipe) Sometimes they charge a bit extra, but typicaly not.

5 Replies

3442 Views

Last post by boilingleadbath
Wed Aug 03, 2005 2:52 pm
q: piston valve

Last post by darthtator
Replies: 2
by darthtator » Mon Aug 01, 2005 2:31 pm

First post

I had a question about piston valves... I have seen many piston designs. I have seen ones with an equalization hole I guess you could call it... And...

Last post

ok thanks for the help I appreciate it!

2 Replies

2170 Views

Last post by darthtator
Mon Aug 01, 2005 7:06 pm
DWV

Last post by boilingleadbath
Replies: 5
by pvt joker » Thu Jun 16, 2005 3:13 am

First post

hey
i just had a look on my cannon and realised it is dwv piping
should i drop it and run
or is it all good. i have already shot it a couple of...

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I should probably point out that fittings & pipe will say that it's DWV even if it's PW, because if you can put pressure in it, you can obviously use...

5 Replies

3292 Views

Last post by boilingleadbath
Sun Jul 31, 2005 11:10 pm
mini combustion gun, not working

Last post by boilingleadbath
Replies: 12
by cannon » Thu Jul 14, 2005 4:21 pm

First post

right, i have attempted a mini combustion gun and it is not igniting, there is a spark but no umph from the chambre, it doesnt fire or anything just...

Last post

I'm not sure, but it's more expensive than right gaurd (which is the recomended fuel). If I remember right, it's 'active' ingredients are largely...

12 Replies

4597 Views

Last post by boilingleadbath
Sat Jul 30, 2005 2:24 pm
Need someone of experience to guide my creative venture...

Last post by boilingleadbath
Replies: 11
by Thanatos » Mon Jul 25, 2005 10:00 am

First post

I am a brand new member to this site, and a fairly new member to the world of spud launching. Recently I have come up with an interesting idea and...

Last post

If you get pressure rated pipe, and solvent weld correctly (with pressure rated fittings)... you won't have a problem with a combustion. EVER. Now,...

11 Replies

4623 Views

Last post by boilingleadbath
Sat Jul 30, 2005 2:06 pm
diaphram valve...

Last post by darthtator
Replies: 2
by darthtator » Wed Jul 27, 2005 3:10 pm

First post

I have recently decided to make a small diaphram valve cannon. Thus, being my first diaphram cannon is the reason for the smaller size. I'm making it...

Last post

ok thanks for the advice. I wasn't planning on using a cleanout sorry for the miscomunication. I must have had a brain fart or something. And I was...

2 Replies

2575 Views

Last post by darthtator
Thu Jul 28, 2005 1:29 pm
Stungun

Last post by spudshot
Replies: 2
by CS » Wed Jul 27, 2005 1:51 pm

First post

Will any stungun work? Because some guns have two prongs and others have four prongs. Does this make a difference? Please explain purpose of the...

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the purpose of the 2nd prongs is to be the test electrodes, electricity follows the path of least resistance, so when you turn on a stungun the...

2 Replies

2588 Views

Last post by spudshot
Wed Jul 27, 2005 8:24 pm
breech loading

Last post by saladtossser
Replies: 3
by pvt joker » Wed Jun 15, 2005 4:10 pm

First post

in the breech loading section on the how-to it tells you you require a lathe or a dremel tool i have neather there a lathe at school but i dont think...

Last post

yes a dremel is very useful
ps i love the burnt face man sig pvt

3 Replies

2614 Views

Last post by saladtossser
Tue Jul 26, 2005 5:06 pm
How does a burst disc pneumatic work?

Last post by airpress
Replies: 4
by airpress » Mon Jul 25, 2005 4:05 am

First post

Hi.

I've a question.(look the title of my post)
I will try to make once a other type of pneumatic.
But i dont know what size of chamber,barrel,burst...

Last post

Ok.
I will do it like that you said,with a male and female adaptor.
I will use an 1 chamber,i think.

4 Replies

10401 Views

Last post by airpress
Tue Jul 26, 2005 2:28 am
this might be why it sucks

Last post by neilman88
Replies: 3
by neilman88 » Mon Jul 25, 2005 1:06 am

First post

well i cant give ya a pic yet but my barrel size is 3/4 in and my chamber size is 1 in is that why it sucks? ive heard to have a nice spud gun the...

Last post

ok thx cause its not doing what i thought it would be doing.

3 Replies

2320 Views

Last post by neilman88
Mon Jul 25, 2005 5:01 pm
AEG gas piston conversion

Last post by Cole

by Cole » Sun Jul 24, 2005 3:40 pm

Ok, most AEG's (automatic electric gun's) are run like this This design utilizes a spring and a piston to push the bb. My design is slightly...

0 Replies

3793 Views

Last post by Cole
Sun Jul 24, 2005 3:40 pm
Dry ice air compression?

Last post by Caramanos2000
Replies: 21
by milty » Sat Jun 04, 2005 5:00 am
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Has anyone seen this Dry ice cannon ? would this work for spud guns in general?

Last post

I make dry ice bombs with plane water and a large bottle of soda. Makes an M80 sound like nothing. Really awesome. Does take some time, but nothing...
21 Replies

11396 Views

Last post by Caramanos2000
Sun Jul 24, 2005 2:02 am
fan placement

Last post by spudshot
Replies: 16
by FlyingTaters07 » Thu Jul 21, 2005 8:22 pm
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Hi, i just built my first spud gun and i was wondering where in the chamber should i put the fan, my gun is fueled from the rear and the fan i got is...

Last post

lmao, heavy duty!?! well, hardware store people are a little...slower than others, lets just say theres some backwoods kentucky style breeding there
16 Replies

7312 Views

Last post by spudshot
Sat Jul 23, 2005 9:41 pm
design opinions

Last post by darthtator
Replies: 3
by FlyingTaters07 » Thu Jul 21, 2005 8:16 pm

First post

I saw some different types of pipe fittings at my hardware store and made some gun designs out of them. Gun 1 i thought was cool because it had a...

Last post

that same thought came to mind for me, but then I thought of the fan. The passing air would act as a vacuum and pull the flamable fumes into the rest...

3 Replies

2397 Views

Last post by darthtator
Sat Jul 23, 2005 2:50 pm
Modified soleniod valves.

Last post by spudshot
Replies: 1
by johanneslim » Sat Jul 23, 2005 6:04 am

First post

I have been thinking of making a fifth spud gun but i am not sure about one thing, i have always been using non-modified valves and i heard from...

Last post

has to travel thru the stock? you mean in a rifle design? it will lose performance anyway since it needs to go around the bends in the stock, but a...

1 Replies

1418 Views

Last post by spudshot
Sat Jul 23, 2005 9:29 am
No Name as of yet, but BUTANE INJECTION!

Last post by saladtossser
Replies: 8
by bjrcboy » Thu Jul 21, 2005 1:52 am

First post

Well a lot of people use Propane injection, i love butane its just hard to get right. So why not have butane injection? i used an old camping stove...

Last post

stainless steel? sweet!
and if i used the small valve, i would let a loose fitting coupling cover it when i fire.

8 Replies

3113 Views

Last post by saladtossser
Thu Jul 21, 2005 3:31 pm
Spark Plug Wire

Last post by FlyingTaters07
Replies: 3
by FlyingTaters07 » Thu Jul 21, 2005 12:58 pm

First post

would spark plug wire be good for an ignition system, im a mechanic and i can get good wire for cheap. Thanks, Mark

Last post

its not too bad, it stays in one piece

3 Replies

2180 Views

Last post by FlyingTaters07
Thu Jul 21, 2005 3:08 pm
First Time need help with pipe

Last post by saladtossser
Replies: 2
by spudoomatic » Thu Jul 21, 2005 1:12 pm

First post

hi i was wondering im building a spud gun for the first time and everything was going good until i noticed i got the thick wall pipe but its the kind...

Last post

congrats on the desicision of building a spudgun, it has been said that it is ok if it is drain waste vent, but only for a combustion.

2 Replies

1352 Views

Last post by saladtossser
Thu Jul 21, 2005 1:16 pm
Combustion chamber?

Last post by iamthewalrus
Replies: 2
by cannon » Tue Jul 19, 2005 9:27 am

First post

I have a 4 foot by 2.5 inch piece of drain pipe as a barrel and i am stuck on what to use for a combustion chamber, what would be the best thing to...

Last post

and if thoughs 2 sizes cost to much, 20 of 3 pipe will give u a .858 C:B ratio.

2 Replies

2172 Views

Last post by iamthewalrus
Tue Jul 19, 2005 6:07 pm
My new bb gun design.

Last post by boilingleadbath
Replies: 7
by Cole » Tue Jul 12, 2005 11:30 pm

First post

After seeing the post on spudtech about using a pellet as the valve i came up with this idea. im sure it wont work, the only thing that would make it...

Last post

An electromagnet that could apply 2.5 lbs to a steel bb through a barrel would be a VERY strong electromagnet. It'll be cheaper to just buy a qev.

7 Replies

2952 Views

Last post by boilingleadbath
Thu Jul 14, 2005 3:41 pm
Mini Hybrid of Walrus

Last post by drac
Replies: 22
by iamthewalrus » Mon Jul 11, 2005 4:01 pm
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First post

ok, sum it most likely wrong with it, but thats what the forums are for, to save my life from crazy ideas. ok its a hybrid with a 1.5 sch80 sleeved...

Last post

It would make you look smarter if you actually knew what you were talking about spudshot. :twisted: j/k
And those who have it, try to hide it more...
22 Replies

8064 Views

Last post by drac
Thu Jul 14, 2005 9:24 am
Automatic bb bolt system

Last post by saladtossser
Replies: 13
by Cole » Wed Jul 06, 2005 2:26 pm

First post

I had this idea, it utilizes an airsoft gearbox for the bolt system but taking out the piston so it is only the bolt, then the peg on the gear would...

Last post

a good blow gun?

13 Replies

4243 Views

Last post by saladtossser
Wed Jul 13, 2005 6:24 pm
built gun, can't make it work

Last post by youngster
Replies: 4
by youngster » Mon Jul 11, 2005 3:57 pm

First post

I built my gun, and I can't make it fire. My barrel is 4 ft and my chamber is 2 feet long. My ignition system is a flint spark for a lantern located...

Last post

Ya, I was using the wrong hair spray. Thanks for the help.

4 Replies

2452 Views

Last post by youngster
Mon Jul 11, 2005 5:02 pm
sprinkler valve problem

Last post by sergeantspud2
Replies: 7
by sergeantspud2 » Sun Jul 10, 2005 5:06 pm

First post

i just got a 1 sprinkler valve the same one on the how to section just a 1 instead. i put it on and it was leaking. i checked all the fittings and...

Last post

alright i'll have to look in my trash for the filter thanks for the help :D

7 Replies

2910 Views

Last post by sergeantspud2
Mon Jul 11, 2005 4:56 pm

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