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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

1068301 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

532692 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

296678 Views

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

Topics

Mad Caddy copy

Last post by Temple

by Temple » Sun Feb 26, 2006 10:53 pm

I built a copy of the Mad Caddy this weekend. I used 4 PVC for the chamber and a 27 1/2 barrel. We tested it to day at 100psi and 110psi this thing...

0 Replies

2049 Views

Last post by Temple
Sun Feb 26, 2006 10:53 pm
Schrader for Propane Injection

Last post by nicholai
Replies: 3
by PyroManiac.666 » Sun Feb 26, 2006 2:31 pm

First post

I would like to know if anyone has ever used or heard of using a schrader valve setup to fill the metering pipe of a propane injected combustion. I...

Last post

yeah use 1/8 fittings to save space, you can find mini ball valves at 1/4 inch that would be perfect for a meter pipe

3 Replies

1587 Views

Last post by nicholai
Sun Feb 26, 2006 5:52 pm
Leyden Jar as Combustion Cannon Ignition

Last post by FiveseveN
Replies: 3
by TfAv1228 » Sun Feb 26, 2006 1:17 am

First post

I just remebered this but about 4 years ago in 5th grade I did a science expiriment on static electricity (pretty damn good 1 too I got second in the...

Last post

A film canister Leyden jar is too small for this kind of application. I've tried using one (pill bottle, actually, do it was slightly larger) with a...

3 Replies

2811 Views

Last post by FiveseveN
Sun Feb 26, 2006 5:48 am
Fall adjustment sight

Last post by boilingleadbath

by boilingleadbath » Sun Feb 26, 2006 3:46 am

Although this doesn't pertain to the acctual launch of the projectile, it is usefull in that endevor, and thus I'm posting it.

Essentialy, this is a...

0 Replies

3223 Views

Last post by boilingleadbath
Sun Feb 26, 2006 3:46 am
how many shots from a fire extinguisher?

Last post by Brian the brain
Replies: 2
by the_original_damo » Sat Feb 25, 2006 6:45 am

First post

hi i was wondering if anyone new how many shots you could get from a fire extinguisher just a 2.0kg one and i will gte my mates dad to fit it with a...

Last post

It depends greatly on the kind of extinquisher it is.If it's a CO2 extinquisher you'll be happy Cause those can take 900 psi or 60 bar.
If you fill...

2 Replies

1901 Views

Last post by Brian the brain
Sun Feb 26, 2006 2:17 am
has any body used these pvc fittings?

Last post by pyromanic13
Replies: 8
by pyromanic13 » Sat Feb 25, 2006 1:04 pm

First post

they seem like they'd be perfect for a bolt action of even semi auto cannon ...............

Last post

yes they do have orings in them(mine has 2)

8 Replies

2464 Views

Last post by pyromanic13
Sun Feb 26, 2006 12:14 am
Ignition again

Last post by FiveseveN
Replies: 5
by FiveseveN » Sat Feb 25, 2006 6:13 am

First post

Nothing n00bish, don't worry :D , just some numbers that don't add up. As mentioned some time before, I've been working on a cannon for quite some...

Last post

Atlantis, perhaps I wasn't clear enough, or maybe some people think I have the twisted pleasure of overlooking the obvious. In a nutshell: THERE ARE...

5 Replies

2144 Views

Last post by FiveseveN
Sat Feb 25, 2006 3:57 pm
my knock off spudgun calculator

Last post by nicholai
Replies: 3
by saladtossser » Mon Jan 09, 2006 8:57 pm

First post

never noticed this new section b4
i reversed the function of fuel tool
in fuel tool, u input propane pressure and you get the length of pipe you...

Last post

hey i got the same idea going over here except im gonna code it in visual basic and i didnt rip off anyones code, well i did rip off the numbers used...

3 Replies

1810 Views

Last post by nicholai
Sat Feb 25, 2006 2:48 pm
cd cad pvc program

Last post by Atlantis
Replies: 4
by besby11 » Sun Feb 05, 2006 7:30 pm

First post

hello ppl i see all these cool pvc cad pics and i was wonderin wares a person get on of these programs

Last post

I just LimeWire searcher my AutoCad, it works perfectly without any cracks or anything.

4 Replies

2971 Views

Last post by Atlantis
Fri Feb 24, 2006 10:16 pm
Help with Mini-Combustion

Last post by PyroManiac.666
Replies: 11
by PyroManiac.666 » Thu Feb 23, 2006 3:57 am

First post

HEY ALL, I have a question for someone experienced here, SORRY I'M A NOOB, but I wont be for long. Anyway I just got started with this spud gun thing...

Last post

OK, I had to try this out. I slightly modded my mini by replacing the .177 caliber barrel and adding a 36 .40 caliber blowgun barrel. To my surprise...

11 Replies

3853 Views

Last post by PyroManiac.666
Fri Feb 24, 2006 3:57 am
push pop pneumatic

Last post by cardinals08
Replies: 16
by cardinals08 » Thu Feb 16, 2006 8:14 pm
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First post

Has anyone tried making a piston valve pneumatic gun out of one of these? The thing inside could be used as the piston. All you would have to do is...

Last post

did you try it or something? I still havent tried to see if it fits good in anything for sleeving. since it leaks some I wouldnt have to drill any...
16 Replies

6109 Views

Last post by cardinals08
Thu Feb 23, 2006 9:42 pm
Semi- auto paintball gun

Last post by Atlantis
Replies: 3
by Shrimphead » Mon Feb 20, 2006 7:55 pm

First post

I was thinking one day, and I came up with this semi-auto paintball gun design. It is largely based off of Clide's slider gun. When the coupler is in...

Last post

That is exactly what Clide's Slyder is.

3 Replies

1775 Views

Last post by Atlantis
Thu Feb 23, 2006 9:40 pm
Help with combustion cannon fuel question

Last post by nicholai
Replies: 6
by crcowboyfan » Wed Feb 22, 2006 8:33 pm

First post

My friend and I built a very simple combustion cannon today and we were having trouble getting the fuel mixture right. We used two screws and a bbq...

Last post

in cold weather just try using starting fluid, its my favorite spray in fuel, and besides you built it and shot it the same day? thats a no no for...

6 Replies

2408 Views

Last post by nicholai
Thu Feb 23, 2006 5:40 pm
Cross Valve

Last post by Atlantis
Replies: 3
by TfAv1228 » Thu Feb 23, 2006 12:57 am

First post

This valve would be constructed using a Cross fitting any size would work and instead of the pilot valve releasing pressure it would apply pressure...

Last post

The point I'm trying to make is that the air is just gonna flow around the piston. It's like sticking a pole in the middle of a river.

3 Replies

2327 Views

Last post by Atlantis
Thu Feb 23, 2006 3:23 pm
help my cannon broke

Last post by nicholai
Replies: 5
by jakup » Wed Feb 22, 2006 6:28 pm

First post

i leaned my cannon up against a door that opens to the outside, the wind blew the door open and my cannon fell out, the door then shut and broke my 3...

Last post

no its safe to use primer, in fact its necessary to use primer. id just refrain from putting primer on something after its cemented

5 Replies

1896 Views

Last post by nicholai
Thu Feb 23, 2006 5:07 am
Bolt Piston

Last post by clide
Replies: 10
by Atlantis » Tue Feb 07, 2006 5:50 pm

First post

I was checking out the Slider Semi-Auto and I think I found a way to combine a piston with a bolt. I don't see any reason for this not to work. If I...

Last post

Well, since the bolt is connected to the piston, any oscillation will be greatly magnified by the fact that you will rapidly lose a lot of pressure...

10 Replies

4709 Views

Last post by clide
Wed Feb 22, 2006 11:32 pm
sprikler valves!!!!!

Last post by nicholai
Replies: 10
by nabu92 » Mon Feb 13, 2006 8:21 pm

First post

r the insides of sprinkler valve's ports threaded?...yes, I did do a search, but I couldnt find anything, and on homedepot.com, it doesnt say...

Last post

im probably going to sell them out of the box for $15-16 pretty much what you can find them for on any sprinkler website that sells them, i make very...

10 Replies

3881 Views

Last post by nicholai
Wed Feb 22, 2006 8:52 pm
Pneumatic with a Coaxial valve?

Last post by boilingleadbath
Replies: 9
by TfAv1228 » Tue Feb 21, 2006 10:12 pm

First post

Has anyone tried to make a Pneumatic cannon with a Coaxial valve?
I think that it could be done but i would have a sprinkler valve infront of it....

Last post

The (optional) spring is used to reset the valve; it pushes the diaphram/piston back into place. (this has scence been added to the wiki)
A spring...

9 Replies

3332 Views

Last post by boilingleadbath
Wed Feb 22, 2006 4:22 pm
Dont forget to replace the spring...

Last post by nicholai
Replies: 8
by nicholai » Sun Feb 19, 2006 1:13 pm

First post

yeah i just modded 13 sprinkler valves... the 13'th one i forgot to put the spring back in under the cover and a few 120 psi shots ripped the...

Last post

oh i guess thats no biggie then, its more of a pain in the ass without the spring cause the phragm doesnt wanna seal itself without the spring,...

8 Replies

3179 Views

Last post by nicholai
Tue Feb 21, 2006 4:54 am
guide rod

Last post by Shrimphead
Replies: 4
by theregoesthewindow » Mon Feb 20, 2006 3:11 pm

First post

Most likely this has already been addressed, but I bought a sprinkler valve with a guide rod in it. There isn't enough room around the sides to drill...

Last post

Ya I had a Lawn Genie 1 and I didn't want to risk drilling it and wasting a valve so I just took it back and got an Orbit Watermaster 1 and it...

4 Replies

2371 Views

Last post by Shrimphead
Mon Feb 20, 2006 11:09 pm
Pneumatic Problems

Last post by Shrimphead
Replies: 5
by besby11 » Mon Feb 20, 2006 1:18 pm

First post

Hello thankyou for reading my post my dad built me a pnumatic like boogies zooka exactily for my b_day but he dosent know mytch about pvc and stuff...

Last post

Would it be possible to just cut out the chamber and put a sch 40 one in keeping the rest of the parts like they are?

5 Replies

2212 Views

Last post by Shrimphead
Mon Feb 20, 2006 6:49 pm
How did this guy make this?!?

Last post by bboymatty
Replies: 13
by unhipjuffowupp » Wed Feb 08, 2006 10:30 pm

First post

That is the link... he wont tell anyone how he made it. And i dont kno enough about air cannons to kno how to make what he made. If you watch the...

Last post

thats great. This guy has beaten me to my idea, i was going to build a at4 but using custom components, and then id make it look authentic later, so...

13 Replies

5967 Views

Last post by bboymatty
Mon Feb 20, 2006 10:27 am
Confused about the sprinkler valves

Last post by boilingleadbath
Replies: 3
by TfAv1228 » Sun Feb 19, 2006 11:47 pm

First post

i dont do much unless i know exactly why and how something works and this sprinkler thing is confusing me why when u vent some air it opens the...

Last post

Go look up diaphram valve in the spudwiki, then report back if you still have a question.

3 Replies

1589 Views

Last post by boilingleadbath
Mon Feb 20, 2006 1:22 am
3" piston ideas

Last post by Shrimphead
Replies: 12
by Shrimphead » Mon Feb 13, 2006 5:48 pm

First post

I need some ideas of what to make a piston out of for my 3 chambered cannon. I need an idea that would be simple and cheap to make, that wouldn't...

Last post

I pasted the second two into the first, but I don't know how to delete them.
^^^^^^^^^^^^^^^^^^^^^^
The delete button? -Pimpmann22

Nicholai- I...

12 Replies

3615 Views

Last post by Shrimphead
Sun Feb 19, 2006 8:23 pm
Burst Disk Materials

Last post by nicholai
Replies: 3
by <_SLAYER_> » Sat Feb 18, 2006 3:30 pm

First post

Hi, I'm new to burst disks (currently use a 3 ball valve on my pneumatic, which sucks for efficiency!), and I was wondering what the best materials...

Last post

why doesnt this site have something like that?

3 Replies

1287 Views

Last post by nicholai
Sun Feb 19, 2006 3:47 pm

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