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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

1573423 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

754107 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

410608 Views

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

Topics

Fuel and stuff

Last post by plumpthumb
Replies: 9
by SpudMania » Sat Sep 23, 2006 1:36 pm

First post

i made this mini potato cannon

- Tiny bottle

- Sparker from a lighter *the ones that you click*

- And 2 thumb tack like things.

What are theese...

Last post

Hey Spudmania!
The guys are right, the tacks should be much closer-in fact shoulder to shoulder or about 1/8 on the tips of the tacks. Next I would...

9 Replies

3245 Views

Last post by plumpthumb
Mon Sep 25, 2006 6:35 pm
NEOPRENE RUBBER

Last post by schmanman
Replies: 10
by schmanman » Sat Sep 23, 2006 7:01 pm

First post

I need a small piece of neoprene rubber for my new cannon. a piece 2 or 3 inches x 2 or 3 would be enough to where If I screw up, I can make another...

Last post

wow, all that trouble, and even the epoxy doesn't bond to the rubber!! that's okay, though. The surgical tube going through the reducer then folded...

10 Replies

2798 Views

Last post by schmanman
Mon Sep 25, 2006 4:48 pm
Damn.

Last post by CS
Replies: 17
by killagorrila99 » Sun Sep 24, 2006 7:40 pm
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Today I was shooting my HEAVY ARTILLERY Gun (yes, the crappy metal thing) with its New GOLF BALL BARREL! (Yes thats right, SDR21) and In my yard at...

Last post

Well he must be telling the truth... After he IMed me and I told him he was a dumbass for lieing I got:

jeez man get over it, I made a mistake...
17 Replies

7298 Views

Last post by CS
Mon Sep 25, 2006 12:56 am
Boiling PVC but....

Last post by mark.f
Replies: 9
by Infernal2 » Wed Sep 20, 2006 9:56 pm

First post

I've used the search function but I have a few questions about making sheet pvc from pipe.

My approach will be thus.

Using 4 inch Sch 40 I cut it...

Last post

I need some for a scope rail. :D

All I need to do is get a half cut piece of pipe, boil it for several minutes, then press it flat against the...

9 Replies

2936 Views

Last post by mark.f
Sun Sep 24, 2006 9:34 pm
So we had this bright idea...

Last post by boilingleadbath
Replies: 19
by girlygirl » Sat Sep 23, 2006 9:27 pm
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I'm a single chic with a 9 year old and we're interested in building a potato rocket/spud gun. I'm fairly handy with a hacksaw and other implements...

Last post

If you trust the welds (they'll get a few hundred pounds of tension, and who knows how much torsion)- sure, go and weld up your gun from tubular...
19 Replies

5702 Views

Last post by boilingleadbath
Sun Sep 24, 2006 9:06 pm
Amount of Fuel

Last post by Pope
Replies: 2
by Pope » Sun Sep 24, 2006 6:58 pm

First post

How much fuel should I be putting into my over powered spitball launcher? The chamber is 2 and an 8th tall and is 1 inch wide. I'm also having...

Last post

Hmm... thats weird, because when I do what you said before I read this it would work, but only half of the time. I guess I need to find a good fuel...

2 Replies

1490 Views

Last post by Pope
Sun Sep 24, 2006 8:10 pm
can someone tell me how fire extinguishers work in pneumatic

Last post by spray&pray
Replies: 2
by spray&pray » Sun Sep 24, 2006 3:28 pm

First post

ok well ive seen many pneumatics that have the fire extingushers handle thing for the trigger...how does this work? is it just a replacement for the...

Last post

ok thanks, i think that helped

2 Replies

1855 Views

Last post by spray&pray
Sun Sep 24, 2006 7:33 pm
delete

Last post by sv490665
Replies: 12
by singularity » Thu Sep 21, 2006 6:04 pm

First post

gone

Last post

Also don't forget to moisten the paper rolls after you get em in your barrel if you want a nice big splat on the houses 8)

12 Replies

4309 Views

Last post by sv490665
Sun Sep 24, 2006 6:48 pm
Threaded adapters and excess thread for Sprinklers

Last post by frankrede
Replies: 3
by zerodivide » Sun Sep 03, 2006 3:50 pm

First post

I'm doing a test fit on the male-to-female adapters for my watermaster. By hand I can get it in less than half way. I don't want to use a wrench yet,...

Last post

When i had exposed threads, they snapped on me.
This is not kicking up a dead topic because...I have an intelligent answer to his question.

3 Replies

3510 Views

Last post by frankrede
Sun Sep 24, 2006 1:52 pm
cruelty to animals

Last post by CS
Replies: 14
by dinsdale » Sat Sep 23, 2006 6:35 pm

First post

I thoroughly enjoy butt sex!

Last post

Yea, thanks for telling us.

I think were done here. Id hope to of kept the topic open so people could get the concept of PMing mods in the event of...

14 Replies

4579 Views

Last post by CS
Sun Sep 24, 2006 1:47 am
Plenty of 2" PVC.

Last post by phirstaide
Replies: 3
by phirstaide » Wed Sep 20, 2006 10:46 pm

First post

well here goes for my first post:

i have lots of 2 PVC lying around the house. I want to build an inline pneumatic launcher. what length do suggest...

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LJR - thanks for the info. i will make sure it is pressure rated. i have seen both and the differences are clearly marked. the 2 pvc i have is...

3 Replies

1292 Views

Last post by phirstaide
Sat Sep 23, 2006 5:30 pm
Valve Leaking

Last post by zerodivide
Replies: 15
by MrPotatoHead » Mon Aug 07, 2006 9:43 am
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Built my first cannon this past weekend. It works great other than the fact that the Sprinkler Valve leaks. When I put air into it from 0-20psi it...

Last post

Orbit's QC must be slipping. This valve was the best looking one out of six on the shelf. All the others had excess plastic on the thread piece or...
15 Replies

6559 Views

Last post by zerodivide
Sat Sep 23, 2006 4:16 pm
Rotary Gun

Last post by zeigs spud
Replies: 7
by Atlantis » Tue Jul 11, 2006 12:44 am

First post

In this design, the ammo is what holds the air back and a disk holds the ammo in. A rubber ring helps the ammo hold the air back. The ammo and...

Last post

to get mine to turn i use a crank if it helps, well i havn't built it but you'll c why if you look at the blue prints lol

7 Replies

4751 Views

Last post by zeigs spud
Sat Sep 23, 2006 1:23 pm
Gort's Super-Universal Control Box

Last post by WOW!!
Replies: 16
by sgort87 » Sun Jul 02, 2006 8:22 pm
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So I finally got all the parts together and had the gumption to spend a couple hours thinking this over and assembling it. Man, is this box...

Last post

Were did ya get the remote from?
16 Replies

4914 Views

Last post by WOW!!
Fri Sep 22, 2006 1:51 pm
Marble sized barrel

Last post by mark.f
Replies: 11
by brumby » Sun Sep 17, 2006 8:17 pm

First post

Does anyone know the right sized barrels to shoot marbles?

Last post

Yes. I measured it in English class, too.

11 Replies

3580 Views

Last post by mark.f
Fri Sep 22, 2006 5:29 am
CAD design programs

Last post by L.J.R
Replies: 20
by Jolly Roger » Sat Aug 26, 2006 10:19 pm
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Hey I've been looking round for some good CAD programs to do some layouts and design of potential launchers but I'm having alot of trouble trying to...

Last post

I got the shading thing worked out know but for some reason I never got the tutorials in my down load, I think its because I downloaded it in...
20 Replies

7141 Views

Last post by L.J.R
Fri Sep 22, 2006 1:37 am
Weird Valve

Last post by killagorrila99
Replies: 5
by MrCrowley » Thu Sep 21, 2006 3:05 am

First post

i saw this valve on and its $5 and was wondering if i could use it on a pneumatic?i cant see a solenoid so im not sure if you can mod it or what type...

Last post

If I were you I'd buy it and try it and if it dont work you have only lost five $$$$$

5 Replies

1529 Views

Last post by killagorrila99
Fri Sep 22, 2006 1:03 am
Chamber Fan

Last post by sv490665
Replies: 22
by PCGUY » Sat Feb 26, 2005 10:32 pm
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First post

CHAMBER FAN

Provided By Latke -

To see the rest please click on the picture.

Provided By Latke -

Last post

My chamber fan is friction mounted, and it never comes out or moves around. By the way one of you asked which direction should it be blowing? the...
22 Replies

17641 Views

Last post by sv490665
Thu Sep 21, 2006 4:00 pm
Camera flash ignition setup

Last post by GalFisk
Replies: 14
by Pete Zaria » Sat Sep 16, 2006 2:21 pm

First post

Over the past few days, I've tinkered with a few camera flash circuit boards. I built a altoids-can size tazer, and a mini arc welder (more...

Last post

You should wire the caps in parallel, wiring them in series will decrease capacitance.
The third wire should be used if you don't have a step-up...

14 Replies

6735 Views

Last post by GalFisk
Thu Sep 21, 2006 3:57 am
faster piston penu cannon desighn. WOOTZ!

Last post by zeigs spud
Replies: 4
by zeigs spud » Wed Sep 20, 2006 2:44 pm

First post

basicly the de-compression pulls the piston back faster along with how it is normaly fired.i came up with it in study hall and wrote it down befor i...

Last post

lol thats wht i was thikin around 7th period when i looked at it again...i just had a bit of denial lol. oh well. :lol:

4 Replies

2020 Views

Last post by zeigs spud
Wed Sep 20, 2006 7:28 pm
Pump/Bolt Combo

Last post by POS
Replies: 5
by Atlantis » Fri Sep 23, 2005 8:06 pm

First post

I have combined 2 different tpyes of breech loaders. The pump pushes the shell to the barrel, while the bolt locks the pump onto the chamber. After...

Last post

or place the ammo on top of eachtother, that saves a spring. I mean like a normal magazine, like one of an M16. Bullets on top of eachother, and...

5 Replies

3089 Views

Last post by POS
Wed Sep 20, 2006 5:58 pm
Combustion pressures

Last post by boilingleadbath
Replies: 8
by Jolly Roger » Sun Sep 17, 2006 8:25 am

First post

Hey just wondering if anyone knows how to find the combustion pressures of different gases or at least what I would search on google to find them....

Last post

You'll get a bit of a pressure spike (wave related) in the chamber - which I don't know how to adjust for - and some pressure loss while the fuel is...

8 Replies

2229 Views

Last post by boilingleadbath
Wed Sep 20, 2006 5:18 pm
muzzle velocity??

Last post by shadowghost21
Replies: 2
by shadowghost21 » Wed Sep 20, 2006 1:37 pm

First post

I have GGDT and im trying to use it to find a muzzle velocity of a nerf gun. Since nerf guns have no valves I dont know how to use GGDT without a...

Last post

sounds good I will try that it should work, what value should I put into the 'Open Time' about 1000ms or more, and for the dead space I use half of...

2 Replies

5464 Views

Last post by shadowghost21
Wed Sep 20, 2006 5:07 pm
How do you talk your parents into letting you build one?

Last post by Blackspire
Replies: 39
by Stan Marsh » Mon Sep 11, 2006 6:43 pm
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I have wanted to make one of these for some time but my parents are very over protective of me, and they made me destroy my mini medicine bottle one...

Last post

Stress safety. Ask them if you can build one, and then have them go with you when you shoot it. Eventually they will either get bored, or see that...
39 Replies

11020 Views

Last post by Blackspire
Tue Sep 19, 2006 8:57 pm
vacoom gun

Last post by Velocity
Replies: 7
by killagorrila99 » Mon Sep 18, 2006 5:35 am

First post

VACOOM GUN!

Have any of you seen this?

Last post

I built one of those with my wet-dry vaccuum... fairly powerful, I knocked the cap off of a waterbottle with an acorn

7 Replies

2091 Views

Last post by Velocity
Tue Sep 19, 2006 7:36 pm

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