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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

1066926 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

532148 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

296357 Views

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

Topics

First Micro

Last post by r0n
Replies: 12
by r0n » Tue Jan 10, 2006 6:25 pm

First post

ive been surffing this fourm for along time and today i have finally built my first cannon execpt it is a micro but its still a cannon. Im building a...

Last post

made it at lunch. all my firends were like WOW and fired it once outside pretty loud and cool did not melt but it expaneded as it shot. qtip didnt go...

12 Replies

5209 Views

Last post by r0n
Thu Jan 12, 2006 8:38 pm
bike pump pressure

Last post by cardinals08
Replies: 10
by cardinals08 » Tue Jan 10, 2006 7:04 pm

First post

How much pressure could you get in a copper chamber of say, 1 inch by 4 inches with a portable bike or ball pump, the cheap ones, like from wal mart?...

Last post

thats fine, I was kinda talking to both of ya

10 Replies

5313 Views

Last post by cardinals08
Thu Jan 12, 2006 6:29 pm
Question?

Last post by cardinals08
Replies: 14
by Damien » Wed Jan 11, 2006 5:45 am

First post

in combustion guns u have a trigger that sparks that gas

what does the trigger in the air/co2 power guns do???
plz answer as i am intriged to make...

Last post

I gotta work on that a little to, i have asked a couple dumb questions that were easily found. It is quite fun to research by myself though because...

14 Replies

6984 Views

Last post by cardinals08
Thu Jan 12, 2006 9:09 am
Ignition

Last post by nicholai
Replies: 5
by Damien » Tue Jan 10, 2006 11:23 pm

First post

What is the best ignition for gas guns.

i have pulled a gas lighter apart making one but i havent tested it.
you can see the spark but u can feel...

Last post

ok, here is a bomb ass ignition. It is the guts of a 100,000 volt stun gun, but i mount it in a small clear box with a hinged lid. Stun gun ignition...

5 Replies

2939 Views

Last post by nicholai
Wed Jan 11, 2006 7:05 pm
Barrel Boring

Last post by evileye250
Replies: 4
by PCGUY » Sun Feb 27, 2005 12:01 am

First post

BARREL BORING

Provided By FoxxLord -

Provided By FoxxLord -

Last post

id just wrap somthing with sand paper and shoot it out a few times. :)

4 Replies

8469 Views

Last post by evileye250
Tue Jan 10, 2006 6:40 pm
Why?

Last post by boilingleadbath
Replies: 5
by Damien » Mon Jan 09, 2006 6:21 pm

First post

Why do the spud guns that u show all have curves at the end and then another barrel for the combustion chamber.?
mine usually look like this!

Last post

Well, very miniscule - you do get some flow issues around the bend.
However, it's not going to be noticable, and the chamber can be bigger (which...

5 Replies

2833 Views

Last post by boilingleadbath
Tue Jan 10, 2006 4:41 pm
is this safe?

Last post by Technician
Replies: 10
by «ºWÇKº»Bobcat » Tue Nov 29, 2005 6:02 pm

First post

ok im going to be making my first canon...its going to be just a basic combustion canon...what im asking is it ok to fire it in the cold...i've heard...

Last post

I have to use one of my launchers from time to time in the winter months for geese control. I keep the launcher inside where it's warm. I simply load...

10 Replies

5543 Views

Last post by Technician
Mon Jan 09, 2006 10:54 pm
What is the best Propane - Air Mixture

Last post by boilingleadbath
Replies: 1
by Damien » Mon Jan 09, 2006 6:36 pm

First post

basically read the topic and answer

Last post

Here .
Thanks for wasting forum space.

1 Replies

1131 Views

Last post by boilingleadbath
Mon Jan 09, 2006 7:10 pm
COM-P, a projectile stability spreadsheet

Last post by boilingleadbath

by boilingleadbath » Mon Jan 09, 2006 6:00 pm

I'v made an excel spreadsheet.
It will tell you, after the input of your projectile shape:
center of gravity
center of pressure
Difference of the...

0 Replies

2478 Views

Last post by boilingleadbath
Mon Jan 09, 2006 6:00 pm
how to get constant air flow for bb guns

Last post by darkpyro
Replies: 8
by darkpyro » Sun Jan 08, 2006 6:45 pm

First post

i am wanting to make a bb gun but do not know how to get the constant air flow and a do not want to be hooked up to a compressor the whole time im...

Last post

alright then thanks for the help :D

8 Replies

2691 Views

Last post by darkpyro
Mon Jan 09, 2006 5:47 pm
Piston @ 90 Degrees

Last post by Atlantis
Replies: 4
by Atlantis » Sat Jan 07, 2006 10:31 pm

First post

This idea is a mix between a supah valve and a barrel-sealing valve. This idea may have been used on the LRPL 01, but since there were no diagrams...

Last post

I realized after I posted it that its not like the Supah. I meant to say its like the Big Valve. This design has a lot less dead air space than the...

4 Replies

2840 Views

Last post by Atlantis
Sun Jan 08, 2006 3:03 pm
barrel langths

Last post by evileye250
Replies: 1
by evileye250 » Sat Jan 07, 2006 5:37 pm

First post

im building a air powered spud gun and bought enough stuff to build 2 barrels. i have about 9 feet to use for barrels. its 1 1/2 inch wide smoothbore...

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i now learn this depends on different things. im going to go with what ever balances the zooka. im going with and 18''-21'' long air chamber and a 4'...

1 Replies

1135 Views

Last post by evileye250
Sun Jan 08, 2006 10:53 am
Help Me

Last post by CS
Replies: 3
by Damien » Sat Jan 07, 2006 9:35 pm

First post

i am making a spud gun as of people i know have and i want to make the ultimate spud gun so can you tell me like what the best length of barrel is,...

Last post

Atlantis put it pretty good, there is just to many variables. About the best ignition I would say is a stungun and the best fuel avalible would be...

3 Replies

1872 Views

Last post by CS
Sat Jan 07, 2006 11:21 pm
Feedback on my Cannon?

Last post by Gfro1234
Replies: 3
by Gfro1234 » Sat Jan 07, 2006 12:25 am

First post

OK, this is my second potato gun. I've had for a few months now. I like to use map gas or propane, but I find map is best. I use 40 psi in this...

Last post

sorry about the pictures the site i was using said too much bandwidth or w/e but theyre up now. thanks for the suggestions deathtodeer666

thanks, no...

3 Replies

3104 Views

Last post by Gfro1234
Sat Jan 07, 2006 12:32 pm
A good place to find BBQ igniters

Last post by Technician
Replies: 18
by zaphar » Thu Dec 01, 2005 2:01 am
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First post

The other day I was at my local dump looking for things for the cannon I'm making and I found a bunch of old BBQ grills they all had the igniters in...

Last post

We found an old sideburner for a gas grill that used a 1.5 volt ignitor. We tore the electronics out of the origianl enclosure to use for a launcher...
18 Replies

7295 Views

Last post by Technician
Sat Jan 07, 2006 10:54 am
Sleaving large-bore pipe for added streangth?

Last post by Bonggoggles
Replies: 4
by Bonggoggles » Fri Jan 06, 2006 11:37 am

First post

Where does the president keep his armies?
In his sleevies.

Has anyone tried sleeving larger diameter pipe? My idea is to sleeve a solid piece of 4...

Last post

Ya, I don't have the scratch to shell out on ordering materials right now. I can get stuff from home depot on my work account. (I work for a building...

4 Replies

2046 Views

Last post by Bonggoggles
Fri Jan 06, 2006 10:11 pm
meter into endcap?

Last post by darkpyro
Replies: 5
by joemama » Thu Jan 05, 2006 7:59 pm

First post

well if i have some piping with endcaps is there a way to add a psi meater on it

Last post

i just drill a hole in the end cap a little to small for the gague and screw it in for a tight fit admitadly i have had one that leaked so i put some...

5 Replies

2155 Views

Last post by darkpyro
Fri Jan 06, 2006 6:15 pm
will this blow gun work ........?

Last post by darkpyro
Replies: 5
by darkpyro » Sun Jan 01, 2006 8:10 pm

First post

i bought this blow gun from the hardware this morning and i dont know if it will work or if it will attach the same way as on the how to and work...

Last post

thank you very much i understand now and am going to do the mod some time this week :) just one more question my sprinkler valve stops working at...

5 Replies

2837 Views

Last post by darkpyro
Fri Jan 06, 2006 3:40 pm
my first spud gun a mini wont work

Last post by toza
Replies: 18
by p.mac » Sat Dec 10, 2005 7:13 pm
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:( i have a tylonel bottle with a pen shell comming out, the a bbq lighter taken apart and the click spark thing attached to two thumbtack going into...

Last post

i also drive remote controll cars that use glow engine fuel. and recommend never to use that!!! just use hairspray!!!!!!! it cost more than hairspray...
18 Replies

8758 Views

Last post by toza
Thu Jan 05, 2006 10:19 pm
flyback

Last post by toza
Replies: 3
by pvt joker » Mon Jul 04, 2005 7:05 pm

First post

hey

my camera flash broke so i have decided to build a flyback ignition system. im going to power the transformer using a camera flash though.
i...

Last post

i was the same as you not long ago but this will help you alot.
simpler is alot better:you can move onto bigger and more complicated things later....

3 Replies

2723 Views

Last post by toza
Thu Jan 05, 2006 10:11 pm
Helping a Dream Come True

Last post by Technician
Replies: 16
by Twitch99 » Mon Jan 02, 2006 7:54 am
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OK I'm not so new at combustion cannons being able to make them out of nearly anything but my goal has been to build a revved up pneumatic. I am an...

Last post

Saladtosser I thought you might like to know that we clicked on your link yesterday and again today and it's a dead end. You might want to check into...
16 Replies

6529 Views

Last post by Technician
Thu Jan 05, 2006 7:03 am
Pneumatic valve help

Last post by guitarfreak
Replies: 5
by guitarfreak » Tue Jan 03, 2006 11:21 pm

First post

hi there,im currently using a ball valve in my metal pneumatic. it is just a standard over-under design. i want to upgrade the valve to either a...

Last post

If you can't find any PTFE (teflon is a brand name) thread seal tape, you arn't looking in the right place... heck, walmart has it! sorry,my...

5 Replies

2279 Views

Last post by guitarfreak
Wed Jan 04, 2006 10:40 pm
spark generators

Last post by Urban Ninja
Replies: 4
by regre7 » Thu Dec 22, 2005 9:22 pm

First post

I'm currently using a BBQ grill sparker for my cannon, but I was wondering if an assembly using, say, a nine-volt battery (or whatever's required)...

Last post

Hey if you have a strobe light (handheld is what I used) you can wire those up in a way to make a spark about an inch to two inches, depending on...

4 Replies

2589 Views

Last post by Urban Ninja
Tue Jan 03, 2006 1:47 am
a new design

Last post by Urban Ninja
Replies: 5
by jalord159 » Wed Dec 28, 2005 9:13 am

First post

heres yet another of my bbmg designs i havent pur the breach on the design or much of an explaination becuase its pretty streight forward.
i think im...

Last post

Ive been thinking about your design and was just wandering would you have an air chamber that you precharge so it is portable, or would you have a...

5 Replies

3095 Views

Last post by Urban Ninja
Mon Jan 02, 2006 10:17 pm
cool stock!

Last post by Urban Ninja
Replies: 2
by Urban Ninja » Sun Jan 01, 2006 6:44 am

First post

Hey. For the past few days I have had nothing to do. So I decided to start building a rifle stock. I have finished to stock but am still designing to...

Last post

Yeah Im going to put a really small copper combustion on it, 22mm chamber and 15mm barrel. Your feedback on my question really helped and I might try...

2 Replies

3035 Views

Last post by Urban Ninja
Mon Jan 02, 2006 10:01 pm

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