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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

665922 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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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

388920 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

204185 Views

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

Topics

What do you think is a tolerable oversize for a GB barrel?

Last post by dongfang
Replies: 12
by dongfang » Wed May 30, 2007 7:30 pm

First post

Hi

I am looking for a suitable golf ball barrel. Before you say sch-xx PVC, I have to tell you we're metric here. There is no schedule-... pipe...

Last post

Hi all,

Thanks for all the response.

It seems GGDT doesn't compute a very large performance degradation for 0.7 mm.

OK I will look at the 40mm...

12 Replies

3632 Views

Last post by dongfang
Sun Jun 03, 2007 5:26 am
fans

Last post by Pete Zaria
Replies: 1
by spudgundude » Sat Jun 02, 2007 8:03 pm

First post

Is their anyway I can mod a 80mm into a 40mm???

Last post

Welcome to the forums.

Not that I know of. You could attempt to take the fan and motor out of the housing and trim down the blades to 40mm, but I...

1 Replies

545 Views

Last post by Pete Zaria
Sat Jun 02, 2007 8:05 pm
Electromagnetic Piston Valve

Last post by jrrdw
Replies: 14
by squeaks » Fri Jun 01, 2007 12:16 pm

First post

Here's the idea. An electromagnet would be installed around the exhaust pipe that the piston seals against. A switch would turn it on sealing the...

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yeah, like i said, someone on this fourum did this with a catch and sear. it would be much safer and more reliable than what you are describing....

14 Replies

6427 Views

Last post by jrrdw
Sat Jun 02, 2007 5:05 pm
15 mm tube

Last post by Fnord
Replies: 1
by flamerz14 » Wed May 30, 2007 8:58 am

First post

What can I do with a 15mm aluminium piece of tubing? I cant find a ball valve(let alone a mini ball valve) for that size.And what can I shoot other...

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Dont marbles fit? Yry to find ball bearings of that size. you might get lucky.
you'll just have to weld or epoxy a valve to it. Unless you dont mind...

1 Replies

769 Views

Last post by Fnord
Wed May 30, 2007 12:26 pm
spudgun physics project

Last post by Modderxtrordanare
Replies: 22
by cocacola » Fri May 25, 2007 10:28 am
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Hey..

Me and two guys from class are about to do a project in school about spudguns and the tech/physics around it! None of us has any experience...

Last post

crap, well i bet it not a how-to paper :P

That was part of it. Big ol' research paper collage thing.
22 Replies

5484 Views

Last post by Modderxtrordanare
Tue May 29, 2007 1:31 am
the dangers of dwv

Last post by Bubba05
Replies: 77
by pyromaniac » Fri May 11, 2007 11:09 pm
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it explodes on him. Never use dwv.

Last post

I used 100mph tape on a cannon i wasent sure of just the other day. It fialed and desintergrated in my hands but the tape kept everything confinde...
77 Replies

18249 Views

Last post by Bubba05
Sun May 27, 2007 8:51 pm
Golf Ball Backspin

Last post by boilingleadbath
Replies: 16
by frocksie » Sat Apr 07, 2007 9:51 am
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Recently I have been thinking about golf ball backspin, and I realized that if you had a 2in barrel sleeved inside another 2in barrel, it would leave...

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I've had good luck with rubber bits at the end of the barrel as have others.
You may have a point about over-exuberant hop-up... all the more reason...
16 Replies

4526 Views

Last post by boilingleadbath
Sun May 27, 2007 8:20 pm
Max Pressure

Last post by MrCrowley
Replies: 1
by SpoonZ » Sat May 26, 2007 10:46 pm

First post

Anyone know the max pressure of PN12 Pressure PVC?

I'm Australian and none of the people knew the max pressure of the piping. I made a Pneumatic...

Last post

PN12 = Pressure Number 12 BAR
12BAR = 174.0456PSI
12BAR = 1.2mPa
12BAR = 1200kPa

Next time search it, its all over the forum.

1 Replies

699 Views

Last post by MrCrowley
Sat May 26, 2007 11:02 pm
break barrel breach loading?

Last post by goathunter
Replies: 9
by Brian the brain » Tue Mar 21, 2006 3:51 pm

First post

I've tried this type of breech in a gun (that can't be discussed because of forum rules)
without any rubber seal it was airtight!!! just metal to...

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A screw type coupler isn't needed to make it air tight but it does simplify the building and alignment.The type in the diagram will work but won't be...

9 Replies

4835 Views

Last post by goathunter
Fri May 25, 2007 9:41 pm
SpudFiles Official Contest Winners!

Last post by PCGUY

by PCGUY » Thu May 24, 2007 11:54 pm

SpudFiles Official Contest Winners!

Voting based off new design and ingenuity by the members right here at SpudFiles.

$100 Grand Prize Winner...

0 Replies

1195 Views

Last post by PCGUY
Thu May 24, 2007 11:54 pm
Stainless Steel Hybrid

Last post by Scotty
Replies: 25
by Scotty » Mon May 21, 2007 8:22 am
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Hey spudders, has anyone got any idea how much pressure Stainless Steel cylinders can hold.
I have a 100ci cannon that is a simple combustion setup-...

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I won't use acetylene because it's filthy and i would get soot all over my precious guns, Oh yeah that and i want to live to see my two sons grow up!...
25 Replies

4659 Views

Last post by Scotty
Thu May 24, 2007 10:10 pm
I learned a valuable lesson today

Last post by Bubba05
Replies: 7
by Marco321 » Sun May 20, 2007 2:17 am

First post

Today i decided to straighten my pvc pipe to make the 2 elbows parallel with eachother with a heat gun. Before shooting i created a topic asking if...

Last post

Fair call keep_it_real!

Bubba

7 Replies

1899 Views

Last post by Bubba05
Wed May 23, 2007 8:59 pm
stungun + ignition coil?

Last post by jimmy101
Replies: 9
by Fnord » Tue May 22, 2007 12:06 pm

First post

Ok, before I go and fry something or shock myself, I want to know if anyone with more electrical experience has tried this before, or if it will work...

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I don't think there is much chance of a stun-gun + auto ignition coil working.

High voltage coils are designed for a maximum voltage. In particular,...

9 Replies

3711 Views

Last post by jimmy101
Wed May 23, 2007 10:49 am
Spud Gun History.

Last post by Flying_Salt
Replies: 18
by rna_duelers » Tue May 22, 2007 3:29 am
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About two weeks ago my Grandfather was visiting our family and I was using one of my Pneumatic cannons which he got into and enjoyed and he told me a...

Last post

even if they did, what fuel would they use?

Greek Fire
18 Replies

4652 Views

Last post by Flying_Salt
Wed May 23, 2007 9:43 am
Noisemaker cannon!

Last post by Killjoy
Replies: 19
by Etc1990 » Mon Jan 01, 2007 3:53 am
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Ok it being new years and all,ive been shooting off my cannon since about 5:00 pm eastern time.Basicly competing to see who can make the most noise...

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True, but if they had survived they wouldn't be deaf, just maimed.

The co2 cartidges/BP (better with flash, but shrapnel is a problem) are fun, so...
19 Replies

6367 Views

Last post by Killjoy
Mon May 21, 2007 10:32 pm
New Nerf-style ammo

Last post by Bubba05
Replies: 25
by Solar » Sat May 19, 2007 12:39 am
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These guys are finally offering these to the public it looks like.

Last post

yeah i dont think i would like one of those in the back!!
Will the local pant ball parks allow them to be used thoe?

Bubba
25 Replies

7119 Views

Last post by Bubba05
Mon May 21, 2007 9:26 pm
how to make 2.5 pvc

Last post by Pyro Ninja
Replies: 16
by veginator » Sat May 19, 2007 8:59 am
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i haven't tried this for my self but if you sleave 3 inch pvc. then load it full of tennis balls and heat it up you can get a tennis ball barrel....

Last post

lol..um take no notice of me....i made a little crap drawing in paint but couldn't post so never mind......i just might have misintpereted what you...
16 Replies

4433 Views

Last post by Pyro Ninja
Mon May 21, 2007 2:48 am
Fixing PVC pipe

Last post by goathunter
Replies: 8
by Marco321 » Sat May 19, 2007 10:38 pm

First post

Hey
I read the tutorial on fixing it with the drill bit thing, but is there any other way to take it off?
Thanks
Marco

Last post

Oh, it works with PVC but you gotta use a big old pair of channel locks to twist the pipe chunks out.The solvent and glue can only hold when the...

8 Replies

1773 Views

Last post by goathunter
Sun May 20, 2007 9:05 pm
pneumatic circuts

Last post by iknowmy3tables
Replies: 6
by iknowmy3tables » Sun May 20, 2007 3:31 pm

First post

as I think about more advance spud guns I think about ways to make spud guns preform certain task based on the flow of air, and pressurization of the...

Last post

oh god :shock: you must tell me more, because I have been planing on a select fire belt fed and I was hoping to be the first, the video link doesn't...

6 Replies

1683 Views

Last post by iknowmy3tables
Sun May 20, 2007 8:11 pm
breech loading system

Last post by Bubba05
Replies: 7
by brony » Sun May 13, 2007 4:59 am

First post

hey,
im a new member and i am going to make a pnumatic rifle really reall soon!
i was just wondering how is the best way to make a breech loading...

Last post

No worrys mate I hope it works out for you.
Good Luck mate

Bubba

7 Replies

2376 Views

Last post by Bubba05
Sun May 20, 2007 9:29 am
Heating and twisting PVC pressure pipe help

Last post by Marco321
Replies: 17
by Marco321 » Sat May 19, 2007 8:04 pm
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Hey
I did some searching and only found heating and bending pvc pressure pipe. My research on the website only showed bending the pipe and im...

Last post

Ok
I managed to remove and replace the pipe without damaging anything else. I basically instead of using a drillbit i used the sanding attachment on...
17 Replies

4788 Views

Last post by Marco321
Sun May 20, 2007 2:22 am
Beige UV-resistant PVC

Last post by sandman
Replies: 5
by Arborman » Sat May 19, 2007 10:13 am

First post

Ok, I know that this is a stupid question, but I just want to be safe. So go easy on the newbie flaming. :(

I have a sch 40 pvc part, and a sch 40...

Last post

ok, thanks frank
and yes thats what i meant

5 Replies

1579 Views

Last post by sandman
Sat May 19, 2007 5:37 pm
pure Hydrogen oxygen

Last post by Insomniac
Replies: 81
by singularity » Sat Mar 24, 2007 11:55 pm
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approximately how insane would i have to be to use a pure hydrogen oxygen gun? and if i remember correctly because its pure oxygen instead of the 20%...

Last post

Well you could fill the chamber with water and let the gas bubble in, when all the water has been forced out it is full.
81 Replies

24129 Views

Last post by Insomniac
Fri May 18, 2007 12:42 am
Paintball vortex block

Last post by turbohacker
Replies: 23
by turbohacker » Tue May 15, 2007 11:37 pm
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If so could you link me to one, if its even possible.
Ive got a paintball game this sunday and I need a competitive edge :twisted:
P.S. I just got...

Last post

well, my feild guy buys paint by about ten pallets at a time (that's like a million or more balls!) so he can just charge a premium at the entrance...
23 Replies

4491 Views

Last post by turbohacker
Thu May 17, 2007 8:12 pm
frustration

Last post by subterranean
Replies: 31
by sandman » Sun May 13, 2007 6:46 pm
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ok, for a school project i was first going to build a combustion cannon, then i decided that it would be easier to get the parts for a pneumatic....

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o i see, i wouldnt bank on that being able to hold higher pressures. you may want to use some pvc epoxy on the gap. I always believe that the cannon...
31 Replies

7074 Views

Last post by subterranean
Thu May 17, 2007 3:03 pm

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