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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

kick from a piston valve

Last post by Aaron ?????
Replies: 18
by Aaron ????? » Mon Jun 20, 2005 1:32 am
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First post

im making a piston valve and i worked out that at 100 psi there will be 950 pounds (431 kilograms) of pressure on my 2 pistonwhen the pilot is...

Last post

Damn it!!!! :evil: ive already glued it

im having more trouble getting the piston to seal than anything maybe ill scrap the gun if it dosent work...
18 Replies

8993 Views

Last post by Aaron ?????
Sun Jul 10, 2005 2:57 am
mini fuel

Last post by darthtator
Replies: 2
by CallOfOrion » Sat Jul 09, 2005 7:10 am

First post

what is thye best fuel for a mini besides Axe bodyspray? I'm trying not use all my Axe, that stuff's expensive.

Last post

I just use starter fluid in mine. A see-through chamber helps regulate the flow. You can try lysol thats pretty cheap. Like the post above said...

2 Replies

2129 Views

Last post by darthtator
Sat Jul 09, 2005 11:11 am
Reg Problems

Last post by iamthewalrus
Replies: 4
by iamthewalrus » Thu Jul 07, 2005 8:02 pm

First post

Ok, i jsut got this reg for my meter and i think its busted. i can have it closed all the way and propane will still flow thorugh it. i cant get it...

Last post

crap, that really sux, now i gotta spend even more money

4 Replies

1827 Views

Last post by iamthewalrus
Fri Jul 08, 2005 3:50 pm
mini hybrid??

Last post by darthtator
Replies: 8
by darthtator » Thu Jul 07, 2005 3:56 pm

First post

I was thinking about how I could get more power into a mini combustion launcher and without making it bigger ( which ruins the mini part) you can't...

Last post

Alriht, thanks again for the helpful information! Take it easy!

Nick

8 Replies

6401 Views

Last post by darthtator
Fri Jul 08, 2005 3:28 pm
how can u make it go farther

Last post by neilman88
Replies: 14
by neilman88 » Tue Jul 05, 2005 7:58 pm

First post

hey i just wanted to know how u can make a spud go farther?

do u have to make the the chamber bigger or oil the barrel? i dunno so plz help me out...

Last post

i dont know how to mod one for my pnumatic so thats why i do combustion...but im experienced in pnumatic, ive made like 7 pnumatic guns but i am new...

14 Replies

4836 Views

Last post by neilman88
Fri Jul 08, 2005 12:36 am
Trouble With Combustion

Last post by darthtator
Replies: 10
by G_Singh » Mon Jun 27, 2005 8:33 pm

First post

I can't seem to make my cannon burn fuel. The way i set mine up is that i welded a spark plug into the back and hooked it up to the clicking device...

Last post

Ya it sounds like too much fuel and the fuel isn't being mixed well enough. I know that if you use butane that you really need a chamber fan because...

10 Replies

3878 Views

Last post by darthtator
Thu Jul 07, 2005 1:46 pm
ABS Lining

Last post by saladtossser
Replies: 3
by CS » Wed Jul 06, 2005 5:07 pm

First post

My next gun I plan on making a combustion with a chamber fan, interchangable barrels, propane injection and cap so you can shoot aersol sprays (if...

Last post

Clever use of both plastics

3 Replies

3151 Views

Last post by saladtossser
Wed Jul 06, 2005 6:02 pm
piston posiblities/ammo posibilities

Last post by iamthewalrus
Replies: 3
by iamthewalrus » Wed Jul 06, 2005 1:36 pm

First post

i just used up the last of my teflon tape :( and i thoguh i would just see if the spool had any uses. so i went over to my 1.5in barrel and what do u...

Last post

idk, u can try other stuff

3 Replies

2379 Views

Last post by iamthewalrus
Wed Jul 06, 2005 3:22 pm
Valve Pressure Rating

Last post by Thai Fighter
Replies: 3
by Thai Fighter » Tue Jul 05, 2005 8:11 pm

First post

Does anyone know what pressure ratings are for Orbit valves? Also, if you know ratings of the other manufacturers it would be greatly appreciated....

Last post

Alright, thanks for your input :D

3 Replies

2435 Views

Last post by Thai Fighter
Wed Jul 06, 2005 1:59 pm
Butane Direct Injections

Last post by saladtossser
Replies: 3
by Maxil223 » Thu Jun 30, 2005 10:03 am

First post

You know the injector on butane lighters that you press the can onto to fill? Well I was wondering if anyone has/or knows how to put one of those on...

Last post

i think he needed it to be convenient, so a ball-valve is a bit troublesome to turn every time, and u need to vent it so u might as well open the lid...

3 Replies

2458 Views

Last post by saladtossser
Thu Jun 30, 2005 12:10 pm
Rope Rifle

Last post by saladtossser

by saladtossser » Thu Jun 30, 2005 12:02 pm

I got this idea swimming, i noticed the rope dividing the deep and shallow ends was twisted and smooth, I ran my hand on it and thought about a new...

0 Replies

3220 Views

Last post by saladtossser
Thu Jun 30, 2005 12:02 pm
small tank thing???

Last post by spudshot
Replies: 1
by iamthewalrus » Wed Jun 29, 2005 12:30 pm

First post

ok, before u read tis make sre youve seen spudshots semiauto bb gun. ok i was tinking, if u dont have a 12g reg or anything, could you take say 1/2...

Last post

it'd probably work for a mag fill of bb's (20-30 rounds) i'd just get a bulk co2 reg and a universal refill adapter and hook up a 20oz co2 tank,...

1 Replies

1369 Views

Last post by spudshot
Wed Jun 29, 2005 2:53 pm
n00b!

Last post by pvt joker
Replies: 6
by CallOfOrion » Sat Jun 25, 2005 4:14 pm

First post

Yeah, I'm a complete n00b at this. The other day, i was bored and didn't have supplies or money for a larger launcher, so I built a mini combustion...

Last post

hey mate

i think you can get them out of jet lighters. but they aint as good as a bbq sparker are they

6 Replies

3644 Views

Last post by pvt joker
Tue Jun 28, 2005 4:56 pm
Hybrid Safety

Last post by saladtossser
Replies: 4
by saladtossser » Sun Jun 26, 2005 4:47 pm

First post

This Pic Explains. This could allow plastic to exceed its limits without a rupture

edit: note that projectile still fires at 300psi.
edit: not that...

Last post

shouldnt the pipe be rated? and i think the burst disk will stop ruptures from sending plastic everywhere

4 Replies

3176 Views

Last post by saladtossser
Tue Jun 28, 2005 1:52 pm
help i dont know what went wrong!!

Last post by demon5000
Replies: 26
by demon5000 » Sat Jun 04, 2005 9:27 pm
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First post

ok i tried making a pill gun and it didnt work.one of these

ok this is what i did i got the pill bottle drill a hole as big as the pen to the...

Last post

well i sealed it with krazy glue maybey thats the problem?i dont have epoxy.thats why.what else can i use.
26 Replies

12597 Views

Last post by demon5000
Sun Jun 26, 2005 11:25 am
Mixture

Last post by spudshot
Replies: 4
by Kunta_Kinte » Thu Jun 23, 2005 7:55 pm

First post

What i the best stuff to use to ignite?? Aqua Net?

Last post

ABS is fine, if you're using 2 screws attatched to wires on the bbq ignitor you're fine, if you putting the ignitor IN the gun then i wouldnt use it

4 Replies

3484 Views

Last post by spudshot
Fri Jun 24, 2005 9:22 am
weird sprinkler valve

Last post by Spencer
Replies: 5
by aussiecyclist » Sat Jun 18, 2005 12:51 am

First post

ok well it may soud strange to some of you but i recently bought a valve for a cannon i have now made.
i set up the elctronics for it(didnt want to...

Last post

Its not designed to be used over and over but only time will tell.

5 Replies

4015 Views

Last post by Spencer
Thu Jun 23, 2005 9:19 pm
sprinkler valves

Last post by spudshot
Replies: 5
by kto » Thu Jun 23, 2005 5:43 pm

First post

My sprinkler valve wont work

i moded it and everything but it still leaks

Last post

well, a newbie forum may help, but for now i'm just copying and pasting help guides i've come up with, like for sprinkler valves, what kind of pipe...

5 Replies

3900 Views

Last post by spudshot
Thu Jun 23, 2005 6:33 pm
A new/different sprinkler design. Need help!

Last post by Spencer
Replies: 6
by Spencer » Sun Jun 19, 2005 8:35 pm

First post

Ok here are some pictures of the valve.

The valve:

Shows where I copped the flow control thingy off.

Now I will start taking the valve apart...

Last post

Well not anymore but it is possible, it has been done.

6 Replies

3885 Views

Last post by Spencer
Wed Jun 22, 2005 8:34 pm
Need Help

Last post by Tommy_TreeTop
Replies: 5
by Tommy_TreeTop » Mon Jun 20, 2005 11:31 am

First post

OK guys i hav a combustion that has a 90 degree elbow with a run off . But the 90 degree elbow is my chamber. It wont fire. The sparker is working...

Last post

Ok guys im just givin up iv tried all that and it aint working o well

peace out

5 Replies

3313 Views

Last post by Tommy_TreeTop
Tue Jun 21, 2005 7:35 pm
won't fire

Last post by spudshot
Replies: 3
by sergeantspud2 » Sun Jun 19, 2005 10:05 am

First post

i just put a propane injection on my gun because i thought it would make it easyer to fire. after installing it on my gun it wouldn't work. it use to...

Last post

well, as long as your pressure on your regulator is at the right pressure you should be fine, also propane doesnt get to 90psi all the time, i like...

3 Replies

2659 Views

Last post by spudshot
Sun Jun 19, 2005 12:17 pm
sprinkler valve

Last post by sergeantspud2
Replies: 3
by sergeantspud2 » Fri Jun 17, 2005 7:57 pm

First post

i need some help on installing a 1 sprinkler valve. what is the modification thing on the how-to's section? i have seen some with blow gun and a hose...

Last post

thankyou for your help :D

3 Replies

2891 Views

Last post by sergeantspud2
Fri Jun 17, 2005 10:11 pm
Copper Marble Cannon

Last post by aussiecyclist
Replies: 2
by liebls01 » Fri Nov 05, 2004 1:05 pm

First post

I want to build a cannon out of copper parts that will shoot marbles and blowgun darts.
As I want to take it out in the field, to hunt rats on my...

Last post

i made a copper ccannon, and am using a sprinklerr valve. where the copper piping go's into the valve i have an adpter from the local plumbling shop...

2 Replies

3544 Views

Last post by aussiecyclist
Fri Jun 17, 2005 8:52 pm
Laser Sight

Last post by TurboSuper
Replies: 3
by TurboSuper » Thu Jun 16, 2005 1:57 pm

First post

Okay so im reading the laser sight how-to, and it seems fairly complicated. I came up with an easier way but I dont know if it works:

1.Remove the...

Last post

Meh, mabye im reading it worng. It just seems very complicated.

3 Replies

3262 Views

Last post by TurboSuper
Thu Jun 16, 2005 5:37 pm
Build

Last post by iamthewalrus
Replies: 7
by Caboose » Thu Jun 16, 2005 3:01 pm

First post

:twisted: Iam just getting into spud cannons and my brother wants one for his b day so if some body could help me show me how to make or give me...

Last post

ty spudshot, u jsut saved me like $30

7 Replies

4201 Views

Last post by iamthewalrus
Thu Jun 16, 2005 5:12 pm

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