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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

1201372 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

626251 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

336520 Views

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

Topics

Helium+Paintballs?

Last post by beebs111
Replies: 13
by noname » Fri Jun 23, 2006 10:09 am

First post

I was wondering, would it be possible to use a syringe, take some paint out of a paintball, then inject helium? You would have tons better range but...

Last post

well i thought they wouldnt sell syringes to people, because they would use them to shoot up, and no one wants that........

Edit: they do sell...

13 Replies

3966 Views

Last post by beebs111
Fri Jun 23, 2006 8:05 pm
Ignitor

Last post by NeoSpud
Replies: 2
by noobie23 » Thu Jun 22, 2006 11:41 pm

First post

OK i had a thread about my first spud gun awhile ago and since then i have made a upgrade but would like some help. What i have done is bought a bbq...

Last post

Honestly, I'm not sure what your problem is beyond poor writing skills. Look here:

If that doesn't answer your question, please rewrite it in one...

2 Replies

4666 Views

Last post by NeoSpud
Fri Jun 23, 2006 6:55 pm
Can you use propane on any combustion?

Last post by frogy
Replies: 7
by Mihlrad » Fri Jun 23, 2006 12:58 pm

First post

Can you use pure propane on any combustion in place of deodorant or hairspray or is doing this just asking to blow up? I dont really know what...

Last post

Propane isn't really more dangerous than hairspray or deodorant. It is more powerful, but nothing to worry about. Do you understand the for it to...

7 Replies

3268 Views

Last post by frogy
Fri Jun 23, 2006 5:38 pm
Pressure rated sch-40 fittings

Last post by noname
Replies: 7
by beebs111 » Fri Jun 23, 2006 11:28 am

First post

i have been looking around for some pressure rated fittings for my latest pneumatic cannon, and i was wondering if anyone had any insight as to where...

Last post

Yeah, Home Depot and Ace around the bay area only have up to 2 pipe and fittings but Home Depot doesn't have reducers very often. You can get any...

7 Replies

1712 Views

Last post by noname
Fri Jun 23, 2006 3:43 pm
Bike frame barrel...

Last post by dgr-c
Replies: 5
by D-Roc » Tue Jun 20, 2006 5:54 pm

First post

I found an abandoned bike in front of my house. Bike frames are made out of
T6061 aluminum, right? I'm going to chop off the main part of the frame...

Last post

Bike frames are made out of T6061 aluminum, right?

Yup. Aluminum frame bikes are typically 6061 T6. Steel frame bikes are typically some flavor of...

5 Replies

2323 Views

Last post by dgr-c
Fri Jun 23, 2006 3:41 pm
Valve Position

Last post by noname
Replies: 2
by Charlie Brown » Fri Jun 23, 2006 11:54 am

First post

I'm in the process of building an over/under pneumatic and before I get to far into it I would like to know, Where should I put the valve; at the...

Last post

If your using a large size chamber and a large barrel, use reducer s and put the valve between the elbows.
3/4 Male threads fit in 1 elbows
1 Male...

2 Replies

2500 Views

Last post by noname
Fri Jun 23, 2006 3:38 pm
gas station air compressure

Last post by boilingleadbath
Replies: 13
by roughboy » Thu Jun 22, 2006 6:10 pm

First post

would the air compressure at the gas stations work on my gun? and what is the psi on those gas station air compressures?

Last post

If they are that large in diameter, you areg youg to have problems getting very much pressure; they have an area of probably ~4.5 in^2, so a 150...

13 Replies

3835 Views

Last post by boilingleadbath
Fri Jun 23, 2006 2:59 pm
I Love my cannon

Last post by )DEMON(
Replies: 3
by Mini Khan » Fri Jun 23, 2006 1:54 pm

First post

this is where all you people get to discribe your cannon brag and say how much you love it. My cannon is a piston coxial cannon the chamber is 4inch...

Last post

My favourite cannon,the HK1, the way it is so comfortible to hold, so portible, so scary,I love it. You haven't seen my upgrades either. there will...

3 Replies

1727 Views

Last post by )DEMON(
Fri Jun 23, 2006 2:36 pm
check valve

Last post by noname
Replies: 13
by Mini Khan » Thu Jun 22, 2006 7:40 pm

First post

is it posible to use a check valve for a primary valve? Exuse the bad spelling.

Last post

And then your wasting a buttload of cash. At the local hardware store near me, the smallest check valves they have are 1/2 , and just those are...

13 Replies

5103 Views

Last post by noname
Fri Jun 23, 2006 9:45 am
A visit from the sherriff...

Last post by noname
Replies: 15
by Pete Zaria » Mon May 15, 2006 9:13 pm
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This afternoon I was firing off my spudgun while BBQing some steaks for dinner. About half an hour later, sitting down to dinner with my parents, my...

Last post

The cops around here would take them away and say, come get these in two weeks
or something like that :(
15 Replies

9636 Views

Last post by noname
Fri Jun 23, 2006 9:32 am
Help!

Last post by jrrdw
Replies: 1
by rinsin_dnb_dj » Fri Jun 23, 2006 5:46 am

First post

Greetings spudders,

Is there anyone from devon, uk or just even uk here? Cant find anyone who supplies SCH40 pvc pipe or fittings. Any guidance here...

Last post

I think a link just posted recently for suplies is -
you can get the online.

1 Replies

1039 Views

Last post by jrrdw
Fri Jun 23, 2006 6:49 am
Hyrbid C:B ratios

Last post by boilingleadbath
Replies: 4
by rna_duelers » Tue Jun 20, 2006 6:34 am

First post

Ohhk,well for a usual comebustion the optimal C:B is 1.5:1 so what is the best C:B ratio for a hybrid on say a 2x mix does that mean the barrel ratio...

Last post

Pressure increases are going to be a ratio by absolute pressure, not gauge;
I belive that a 2x mix, close chamber, produces about 115 psig...

4 Replies

1211 Views

Last post by boilingleadbath
Thu Jun 22, 2006 9:16 pm
Expoxy on holes in combustion chamber?

Last post by frogy
Replies: 15
by Mihlrad » Tue Jun 20, 2006 5:20 pm
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Is it dangerous if i put 5 minute epoxy in the 2 holes i have where my electrodes were. Like will they shoot out randomly when the thing fires....

Last post

jeeze that doesnt sound good. how do you get your arm almost severed in a skateboarding accident?? sounds like a story i would like to hear!

but...
15 Replies

4259 Views

Last post by frogy
Thu Jun 22, 2006 9:01 pm
manke rifled pvc?

Last post by Pete Zaria
Replies: 1
by Mini Khan » Thu Jun 22, 2006 7:39 pm

First post

is there an esay way to make rifled pvc barrels without buying one from spudtech? exuse the bad spelling.

Last post

Search the forums, dude. This question has been asked at least 10 times in the few months I've been posting.

The answer is \ not really\ . It can be...

1 Replies

1260 Views

Last post by Pete Zaria
Thu Jun 22, 2006 7:46 pm
epoxy air chamber

Last post by carlbelcher
Replies: 5
by roughboy » Thu Jun 22, 2006 6:45 pm

First post

can i just make a hole on the air chamber and put the pressure gauge in then epoxy it in place?

Last post

Its been proven that you can safely thread or tap fitting into PVC but you should only do it though a fitting and the pipe wall for maximum martial...

5 Replies

1570 Views

Last post by carlbelcher
Thu Jun 22, 2006 7:34 pm
3/8'' barrel

Last post by roughboy
Replies: 3
by roughboy » Thu Jun 22, 2006 5:53 pm

First post

Where can i buy a 3/8'' steel pipe to use for my barrel?. Do hardwares carry them & what are they used for?I want 4 feet of 3/8'' steel pipe.

Last post

okay thanks guys

3 Replies

1588 Views

Last post by roughboy
Thu Jun 22, 2006 6:20 pm
pressure gauge

Last post by huse_spud
Replies: 4
by roughboy » Thu Jun 22, 2006 5:48 pm

First post

Is a tire gauge the same as a pressure gauge?

Last post

i used a tire guage on my first gun for awhile! before i joined spudfiles.

4 Replies

1620 Views

Last post by huse_spud
Thu Jun 22, 2006 6:16 pm
BBMG firing problems

Last post by )DEMON(
Replies: 2
by demilus » Tue Jun 20, 2006 4:12 pm

First post

I recently made two cloud bbmgs out of 2 sch 40 pvc pipe. I made one with 1/4 brakeline for a barrel and it works fine w/ airsoft bbs. I made another...

Last post

Mabey they are too heavy.

2 Replies

1200 Views

Last post by )DEMON(
Thu Jun 22, 2006 2:25 pm
mod this type of sprinkler?

Last post by carlbelcher
Replies: 10
by djt » Mon Jun 19, 2006 6:28 pm

First post

this is the valve im about to go purchase from Lowes for my cannon. it has a little black thing in the top where the hole should be drilled. should i...

Last post

I've modded sprinkler valves with both bleed holes and guide rods. The valve on my offset over and under had a guide rod, and the valve for my next...

10 Replies

2560 Views

Last post by carlbelcher
Tue Jun 20, 2006 7:46 pm
Safe Paintballs

Last post by SpudStuff
Replies: 6
by Atlantis » Thu Jun 01, 2006 8:56 pm

First post

I know their are regulations on paintball speeds in a game, what is the limit in fps and about what pressure in a gun would that amount to with say a...

Last post

lo pressure is a good thing because then you can get more fills from a CO2 tank or pump faster with a hand pump

6 Replies

1806 Views

Last post by SpudStuff
Tue Jun 20, 2006 7:44 pm
Soap Piston

Last post by Pete Zaria
Replies: 6
by Atlantis » Tue Jun 20, 2006 12:28 pm

First post

I wonder if soap would make a good piston. You would never have to lubricate it that's for sure. It's also easy to shape.

Last post

....Bondo?

Peace,
Pete Zaria.

6 Replies

1675 Views

Last post by Pete Zaria
Tue Jun 20, 2006 7:37 pm
An Ignorant Combustion Question

Last post by spudshot
Replies: 9
by Evan » Tue Jun 20, 2006 12:49 am

First post

I'm planing on making my first cannon and was just wondering if there was a rule of thumb for sizes of chamber to size of barrel. I don't mean the...

Last post

if its got a pressure rating, yeah its fine, if it says cellular core then no, its not

9 Replies

2216 Views

Last post by spudshot
Tue Jun 20, 2006 7:34 pm
1.5" Valve

Last post by Atlantis
Replies: 6
by Atlantis » Sun Jun 18, 2006 6:22 pm

First post

Would a 1.5 valve be big enough for golf balls? I might end up making a 2 . Basically I'm looking for something that I can shoot Golf Balls and...

Last post

Does anybody if a 3/4 Elbow fits in a 1.5 Tee? If they do I'm going to build the Big Valve in a smaller version...ironic...

6 Replies

1771 Views

Last post by Atlantis
Tue Jun 20, 2006 7:16 pm
New 625,000v stun gun!

Last post by jrrdw
Replies: 8
by D-Roc » Mon Jun 19, 2006 5:33 pm

First post

I just got a 625,000v stun gun and was wondering what should I build? I'm thinking of a
building a high-powered long range barrett. What do you guys...

Last post

Thanks PCGUY, i slipped and posted something i shouldn't have, then caught myself and deleted it. Didn't wanna go againest the rules, i think my...

8 Replies

2807 Views

Last post by jrrdw
Tue Jun 20, 2006 5:14 pm
Wires for BBQ ignitor...

Last post by spudmonkey
Replies: 8
by Mihlrad » Sun Jun 18, 2006 9:37 pm

First post

The wires that came with my BBQ ignitor, u know the ones with the fittings attached to them to fit on rod in the centor of the ingitor, and the one...

Last post

i got the tings that you can get at lowes or home depot that (i dont kno the names of) that you can cut the plastic off and jab a nail in to widen up...

8 Replies

2150 Views

Last post by spudmonkey
Tue Jun 20, 2006 4:29 pm

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