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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

1201577 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

626522 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

336603 Views

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

Topics

Ammo: golf tees

Last post by mopherman
Replies: 7
by Cosmic Muffin » Tue Jan 15, 2008 1:17 am

First post

somebody has probably already thort of this and posted it already but im gonna do it anyway.

if you have a barrel of 10mm copper pipe then...

Last post

penetration may be hindered, but impact energy would be through the roof :D

7 Replies

4095 Views

Last post by mopherman
Wed Jan 30, 2008 11:32 am
Spud Gun Myth for Mythbusters?

Last post by Ragnarok
Replies: 62
by rcman50166 » Sat Jan 26, 2008 6:46 pm
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I'm wondering if I can get the Mythbusters to do a myth on potato cannons. This would be right in there domain. I'm thinking of a myth based on...

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You think he'd be able to promote the sale of his business on the TV?

I somewhat doubt such advertisement would make it into the episode.
62 Replies

21920 Views

Last post by Ragnarok
Tue Jan 29, 2008 3:41 pm
shchrader valve and pvc

Last post by BrianMigs
Replies: 3
by Maniac » Sat Jan 26, 2008 5:48 pm

First post

I now have my schader valve and it is a screw in type(one with a bolt to clamp it in) and i did a test with and old piece of pipe with an end cap i...

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I have the same schrader valve that I used for my project.

I got it from my local mechanic, my dad walked into the shop said he needed a valve, told...

3 Replies

1357 Views

Last post by BrianMigs
Mon Jan 28, 2008 8:29 pm
Next Door Neighbor Problem.

Last post by Ragnarok
Replies: 146
by rna_duelers » Mon Dec 31, 2007 9:46 pm
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I had a new neighbor move in next door a little while back,and well she is...Crazy,she turned the house into a cat refuge.I don't even want to know...

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Ok, she's gone off the rails completely. At first I just thought she was weird, but when you start asking the cats to turn the TV off, you've...
146 Replies

105628 Views

Last post by Ragnarok
Mon Jan 28, 2008 3:50 am
carbide cannon

Last post by spudy buddy
Replies: 7
by spudy buddy » Sun Jan 27, 2008 12:32 pm

First post

i was just wndering if any1 has ever mad a carbide cannon? i first saw it in a book caled backyard ballistics. wikapedia explains how it works.

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in the book it uses a regulated amount cause it fills a tiny hole and the rest is scraped off. well you pretty much fire it right after you put in...

7 Replies

6012 Views

Last post by spudy buddy
Sun Jan 27, 2008 9:25 pm
5/8 Internal Diameter pipe

Last post by pizlo
Replies: 4
by pizlo » Sat Jan 26, 2008 5:43 pm

First post

Is there any PVC anyone has or knows any pipe size that has a 5/8 ID? If so I'll explain my seemingly very feasible precharged cartridge gun.

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hmmm I might be able to get my hands on some of that steel at the local hardware store. DYI would the tubing work as a barrel if I sleeved it? keep...

4 Replies

2392 Views

Last post by pizlo
Sat Jan 26, 2008 11:13 pm
what type of cannon do you like?

Last post by SpudFarm
Replies: 48
by SpudFarm » Mon Jan 21, 2008 3:23 pm
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i was reading the thread about this when i start to understand how different all of us are when it comes to all the different cannons out there! i...

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sorry for not reply on this thread for a while i was down by a sickness.

i like ragnaroks point it is just that way i feel it. i like to shoot...
48 Replies

14786 Views

Last post by SpudFarm
Sat Jan 26, 2008 5:42 pm
Selective Firing (Think assault rifle)

Last post by Zippster
Replies: 2
by Zippster » Sat Jan 26, 2008 12:52 am

First post

I do admit that the whole pop-off + QEV idea is NOT mine - just see the Deathray Marble Machinegun under Pneumatic showcase - so please no hard...

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No its not to scale, on a real one I'd connect the pilot with hose, not thick pipe.

I figured that if you just tap blowgun2, the lower pressure...

2 Replies

2445 Views

Last post by Zippster
Sat Jan 26, 2008 10:54 am
Where to Find SDR 26 WP 160 PSI

Last post by socoj2
Replies: 5
by socoj2 » Wed Jan 23, 2008 11:42 am

First post

I need 2.5 in this.

Or other ideas for a tennis ball barrel. as They just DO NOT fit down the 2.5 sch40 i have. most balls im finding are 2 5/8

Last post

Excellent ill call them today.

5 Replies

1739 Views

Last post by socoj2
Fri Jan 25, 2008 6:44 am
My spud gun plans.. pls give feedback on it

Last post by zephir
Replies: 3
by zephir » Fri Jan 25, 2008 4:12 am

First post

I made an eariler topic about building a spud gun, it wasn't about 30 minutes ago i decided to lay it all out on paper.
The goal is to build a...

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the whole reason belind using O2/Prpane was to make it as powerful as possible, the gas system won't work properly if the pressure is too low. It...

3 Replies

2193 Views

Last post by zephir
Fri Jan 25, 2008 4:51 am
Homemade High Pressure Pump.

Last post by Hawkeye
Replies: 16
by Mitchza89 » Thu Jan 24, 2008 7:45 pm
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Well lads, I got bored yesty and looked through my box of parts and decided to use what I had to make a ulta high pressure pump. I didn't know if I...

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It makes far more sense to groove the bottom. The seal is formed on the down-stroke so it will work more reliably if the o-ring seals on a continuous...
16 Replies

6421 Views

Last post by Hawkeye
Thu Jan 24, 2008 11:01 pm
Rifling machine

Last post by judgment_arms
Replies: 50
by judgment_arms » Wed Jan 23, 2008 5:36 pm
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Well although it’s not a 100% success, it does indeed work.

It consists of:

A piece of 1 inch PVC pipe as a die (note: die is not the appropriate...

Last post

Sniper2006/ShowNoMercy/anybody else worried about having to wad projectiles, just glue a few layers of paper or cloth to the outside of your...
50 Replies

13980 Views

Last post by judgment_arms
Thu Jan 24, 2008 2:47 pm
i need help making a piston

Last post by sinper2006
Replies: 4
by sinper2006 » Wed Jan 23, 2008 2:19 am

First post

ok here are a few pics of wat my piston is goining to be in.
the tee the piston is goin to be in is 15mm with 15mm to 10mm adapters on both sides of...

Last post

will this work?

4 Replies

1897 Views

Last post by sinper2006
Wed Jan 23, 2008 6:48 pm
rifling idea

Last post by sinper2006
Replies: 12
by sinper2006 » Tue Jan 22, 2008 10:08 am

First post

Ok basically when u turn the hand it will turn the rifling rod and a string/cable will pull the barrel over the rifling rod

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ya it was just a quick diagram so u could c wat i was talking about if i do make it i will make the thing the cable go on bigger and longer so i...

12 Replies

4997 Views

Last post by sinper2006
Wed Jan 23, 2008 6:41 pm
Lurker no longer

Last post by jackssmirkingrevenge
Replies: 1
by Khyren » Tue Jan 22, 2008 8:33 pm

First post

Finally after a couple years I join you guys. I made my first combustion about 3 years ago. It's all steel and everything is 1/4 thick. The first...

Last post

The 4.2% ratio refers to concentration of propane in air, which has about 20% oxygen in it. If you're using pure oxygen, you're going to have to put...

1 Replies

1320 Views

Last post by jackssmirkingrevenge
Tue Jan 22, 2008 11:04 pm
SpudChat Now

Last post by rna_duelers

by rna_duelers » Tue Jan 22, 2008 8:05 pm

Meet Up and have A spudchat,I will be in the room for a while.

Any mod that feels like removing this after a few hours in more then welcome.

0 Replies

1285 Views

Last post by rna_duelers
Tue Jan 22, 2008 8:05 pm
schmanman needs SWAT help!

Last post by schmanman
Replies: 20
by schmanman » Tue Jan 22, 2008 1:07 pm
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ok guys, I need some help.

I am wondering If I should cut off the 10 feet of 6 inch chamber, and replace it with two 10 foot sections of 4 inch....

Last post

yeah, I will start in march, around my birthday.

or in late april. (my birthday is on march 2nd.)

until then, I will build the base for it, and...
20 Replies

4886 Views

Last post by schmanman
Tue Jan 22, 2008 7:45 pm
Wrapping gun in tape reduce shrapnel?

Last post by socoj2
Replies: 30
by nabu92 » Mon Jan 21, 2008 12:50 am
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I was wondering if I wrapped my gun in duct tape and it explodes, would the shrapnel be held together, or would the explosion be bigger and worse. Is...

Last post

I heard from someone on here that the shrapnel won't even pierce flesh, is this true?

Tell that to this guy...
30 Replies

8413 Views

Last post by socoj2
Tue Jan 22, 2008 4:08 pm
combustion cartridges

Last post by Carlman
Replies: 6
by quiggly17 » Tue Jan 22, 2008 12:30 am

First post

well i dont know if this has been done already or not but heres a pic its a simple desighn on the left is a blast tube thats what im calling it the...

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if you had the stun gun on before you dropped it down it will have current going through it then you got yourself a mortar :D

6 Replies

2523 Views

Last post by Carlman
Tue Jan 22, 2008 9:47 am
What not to do!

Last post by Ragnarok
Replies: 47
by Novacastrian » Sun Jan 06, 2008 10:09 pm
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I think this video is self-explanatory, he got some Darwin genes for sure!!
click here

Last post

Psh. I'da turned the thing up. Give em a nice baseball-sized welp, that'll teach em.
You have to consider those people weren't wearing goggles...
47 Replies

14340 Views

Last post by Ragnarok
Tue Jan 22, 2008 1:12 am
The lack of homemade pumps.

Last post by Ragnarok
Replies: 46
by Mitchza89 » Wed Jan 16, 2008 5:46 am
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Argh this is annoying lol, there is a shear lack of homemade pumps on this site. People venture into making quite dangerous things but hardly ever a...

Last post

I would have said the point didn't really need to be said.

But the truth is that a HM hybrid track/shock pump can do the volume of a track pump or...
46 Replies

12063 Views

Last post by Ragnarok
Mon Jan 21, 2008 3:49 pm
Should i take to the next level?

Last post by Fnord
Replies: 16
by thespeedycicada » Sun Jan 20, 2008 8:19 pm
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In my new house that i will shortly be moving into i will have the space in the garage for a 6 or 7 ft long workbench.I could make holes to organize...

Last post

PVC dust is such a pain it sticks to EVERYTHING!

You should try cutting ABS with a dremel!
No really, its 10 times worse than pvc for an entirely...
16 Replies

4707 Views

Last post by Fnord
Mon Jan 21, 2008 12:51 pm
Go To The Chat Room

Last post by bigbob12345
Replies: 2
by CS » Sun Jan 20, 2008 9:23 pm

First post

Hey I am over at the chat room. I want to see just how many will turn out. If we get a fair amount of people I might try getting a offical spudchat...

Last post

He means to just go to the spud chat

2 Replies

1864 Views

Last post by bigbob12345
Sun Jan 20, 2008 9:53 pm
Pnematic Mod for Rainbird CP-100 sprinkler valve

Last post by xboxteen01
Replies: 24
by williamfeldmann » Mon Sep 10, 2007 10:27 am
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I managed to come into around a dozen of the 1 inch Rain Bird valves at an auction and since they were cheap, and frankly the only 1 inch inline...

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could i use a a 1/4 hose barb to 1/4 NPT instead of the a 1/4 hose barb to 1/8 NPT fitting? if so, where is a suitable spot to put it? thanks
24 Replies

31161 Views

Last post by xboxteen01
Sun Jan 20, 2008 3:14 pm
20l hybrid vessel

Last post by SpudFarm
Replies: 20
by SpudFarm » Sat Jan 19, 2008 7:36 am
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hello i am looking to make a new hybrid when the first is finished. it is going to be a hell of a monster 20l combustion chamber but i cant find what...

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yeah thats pretty sweet 8) 25 000ft/ibs :o i think i stick with the 3 at first later on i mabe get something bigger a 3 potectile from a hybrid is...
20 Replies

6640 Views

Last post by SpudFarm
Sun Jan 20, 2008 1:02 pm

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