Combustion Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm
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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...

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thank you for creating this website is there anything i can do to help
15 Replies

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Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Sparker Reference Guide

Last post by quinn whitsitt
Replies: 45
by rcman50166 » Tue Feb 05, 2008 4:19 pm
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OK. Everyone always seems to know more than me in almost every topic on this site. But this is my domain! High voltage electricity is what i know...

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great job how can i help the fourms
45 Replies

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Last post by quinn whitsitt
Fri Mar 01, 2024 10:52 am

Topics

Does it count as a firearm?

Last post by Ragnarok
Replies: 40
by The Game » Tue Aug 11, 2009 9:29 pm
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I was just wondering if the cops could bust me for having an unlicensed firearm. I have a typical combustion potato cannon.

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I'm going to correct Jack on a few points, if we're talking seriously.

Anything above 1 Joule (~0.75 ft-lbf) is a firearm. Any air pistol below 6...
40 Replies

19024 Views

Last post by Ragnarok
Sat Sep 05, 2009 9:36 am
8 ft SpudGun ( aka Excaliber)

Last post by queensland spudder
Replies: 15
by queensland spudder » Thu Sep 03, 2009 2:25 am
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This is my 3rd cannon i built so far, its the biggest i built so far. I have test fired it with a deo can wraped in cloth (to close up the space) and...

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Ok i will go look at that this weekend , maybe while im there i can go get some 50mm end caps for some rounds :D you know the nobby lookin ones they...
15 Replies

9330 Views

Last post by queensland spudder
Thu Sep 03, 2009 6:07 pm
My 'Mr.Howitzer'

Last post by FORE!!!!
Replies: 6
by queensland spudder » Thu Sep 03, 2009 4:06 am

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This my first Cannon i built it a few years ago. this cannon is really good for it's weight and power considering it's small chamber . This can...

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i presume your mounting your piezo into the centre of your threaded cap,not a good idea as this further weakens ,the weakest part of your launcher....

6 Replies

7835 Views

Last post by FORE!!!!
Thu Sep 03, 2009 5:18 pm
Tiny PC fan

Last post by gabeb123
Replies: 2
by chenslee » Wed Aug 12, 2009 10:04 am

First post

17mm x 17mm x 8 mm, 5v

Copal PN: f17ha-05mc

Available through Digikey

Last post

that is whare i get all of my electronic components

2 Replies

1835 Views

Last post by gabeb123
Sat Aug 29, 2009 8:38 pm
Sureshot BL-415 -- Camo

Last post by Willdebeers
Replies: 20
by jagerbond » Wed Aug 19, 2009 3:41 pm
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Posting for customer Travis. Travis built this from a Sureshot Inc. premium offset kit and added his own custom camo paint job. This BL-415 has a 60...

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Hmm I agree that this is all high quality stuff. And I would buy a BL-417 but i doubt that it would get through customs and it's quite expesive......
20 Replies

6400 Views

Last post by Willdebeers
Mon Aug 24, 2009 3:11 pm
Aluminum combustion plans

Last post by Moonbogg
Replies: 15
by Zach1188 » Sat Aug 22, 2009 12:08 pm
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I am starting plans on an aluminum coaxial combustion cannon. It is designed similar to Ultimate Spud Gun's BL series spud cannons.

Here's the plans...

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Spending a grand is totally unnecessary. PM me and I'll show you exactly why.
15 Replies

6959 Views

Last post by Moonbogg
Sun Aug 23, 2009 4:52 pm
Chamber Venting with compressed air.

Last post by chenslee
Replies: 38
by Davidvaini » Mon Jul 20, 2009 3:55 pm
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Now in my local area pretty much any cannon is allowed regardless of its power as long as its not a combustion.

But I am an Ideas person and Idk if...

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THAT'S NOT WHAT HAPPENS YOU ARE STUPID.

I apologize. I was trying to be sarcastic and funny and I guess it came off ruder than I intended. In...
38 Replies

11737 Views

Last post by chenslee
Fri Aug 21, 2009 3:04 pm
Tater or Fuel. What comes first?

Last post by psycix
Replies: 8
by Tatersalad2000 » Tue Aug 11, 2009 8:04 pm

First post

Flame away. Sorry for not already knowing this.

If there is a newbie post area...let me know.

I've spend some hours reading the archives. I'm not...

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Safety first, always load, THEN fuel.
If it goes off while loading you might get hurt, especially when muzzleloading.
On top of that, the fuel will...

8 Replies

3265 Views

Last post by psycix
Sun Aug 16, 2009 10:55 am
Double barrel Shot gun design

Last post by queensland spudder
Replies: 9
by queensland spudder » Fri Aug 14, 2009 6:57 pm

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I have being thinking lately of making a double barrel shotgun type combustion.

im wondering should i try to make a single combustion camber firing...

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FORE. instead of a juntion i could use a 'T' section and put 90 degree elbows, reducers then barrels, making the path of resistance about the same....

9 Replies

5507 Views

Last post by queensland spudder
Sat Aug 15, 2009 3:29 am
How do I use a chamber fan...tedious...sorry.

Last post by jimmy101
Replies: 3
by Tatersalad2000 » Tue Aug 11, 2009 10:43 pm

First post

I'm 50% done with my 2nd cannon. The first one being from 12 years ago.

Reading here has really helped and I plan to be launching this weekend....

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If you are fueling by squirt-n-screw I wouldn't run the fan during fueling. Squirt the fuel, close the chamber then turn the fan on.

If you have a...

3 Replies

1965 Views

Last post by jimmy101
Wed Aug 12, 2009 12:54 pm
4" Ball Valve vs. Cleanout ?

Last post by Tatersalad2000
Replies: 18
by Tatersalad2000 » Mon Aug 10, 2009 12:32 pm
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Hi, I'm new around here. Got a question.

Screwing the cleanout off/on over and over can get old.

Has anyone tried a 4 Ball Valve as an...

Last post

That was just to see if anyone was actually reading my post.

Well done sir.
18 Replies

9261 Views

Last post by Tatersalad2000
Tue Aug 11, 2009 10:09 pm
Science Fair and first Combustion Launcher

Last post by Technician1002
Replies: 40
by RabidDuck » Sat Nov 01, 2008 10:39 am
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Hey there. I love this site. I've been looking at it for a while and am getting the concept. I have found plans for one cannon that looks pretty...

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Sorry guys i hadn't said much to this recently. We did do different amounts of propane to see how far the foam golf balls would go. It was a super...
40 Replies

18668 Views

Last post by Technician1002
Tue Aug 11, 2009 7:22 pm
why Husky regulators for propane meter

Last post by chenslee
Replies: 16
by explsvcookie257 » Sun Aug 09, 2009 12:43 pm
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Alright so i bought a regulator off ebay very small. It was cheap like 5 bucks. My problem is is that i have to reset the regulator every shot and I...

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Jager, those regs are everything I was looking for about 6 months ago. I searched all over for a 1lb tank reg with npt. Judging from Concoa's...
16 Replies

9183 Views

Last post by chenslee
Tue Aug 11, 2009 7:17 pm
DWV PVC PIPE

Last post by jackssmirkingrevenge
Replies: 5
by queensland spudder » Sat Aug 08, 2009 1:34 am

First post

Hi, im a new member on this forum however not new to potato guns either.

Im going to build a cannon made from DWV PVC fittings and pipe. The cannon...

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About jamming stuff into cannons , would it be OK if i were to use a 50mm silican tube (with nozzle) to shoot out of a cannon . Should i mention that...

5 Replies

6924 Views

Last post by jackssmirkingrevenge
Sat Aug 08, 2009 3:47 am
my first tator cannon

Last post by gabeb123
Replies: 8
by gabeb123 » Tue Aug 04, 2009 12:12 pm

First post

It my first pvc cannon i have ever built(i have built a lot of polish cannons)
umm its combustion duh
its chamber is 3 pvc and the barrel is 2
i...

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ya the next one i am going to build is a pneumatic i got a guy with a pneumatic he says he will give me so i can use it for parts and i think im...

8 Replies

4554 Views

Last post by gabeb123
Wed Aug 05, 2009 12:33 pm
Mini-17

Last post by jagerbond
Replies: 15
by jagerbond » Wed Jul 29, 2009 6:02 pm
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The elves have been busy back at the workshop.

All the Sureshot goodies only anodized Vader black. Surprisingly shoots with some good speed. GB's...

Last post

You can just imagine the pvc melting into a puddle :)

I agree it would have to be steel or AL.

Or a price tag halfway to 5 digits ^_^

Not...
15 Replies

5734 Views

Last post by jagerbond
Tue Aug 04, 2009 6:18 pm
Preliminary combustion designs

Last post by chenslee
Replies: 12
by niglch » Sat Jun 27, 2009 3:32 pm

First post

I have been working on some preliminary plans for an advanced combustion launcher using Google SketchUp 7, which I found very useful in the planning...

Last post

Well played sir. Emo indeed.

12 Replies

5278 Views

Last post by chenslee
Fri Jul 31, 2009 3:30 pm
Integrated 45 grip switch

Last post by chenslee
Replies: 5
by chenslee » Thu Jul 30, 2009 4:32 pm

First post

I wasn't satisfied with screwing a hunk of aluminum to the bottom of my cannon, but I couldn't find anything off the shelf that had a trigger and a...

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It's Google, I rendered the pics 800x600, I'm going to try to re-img them in the OP.

Oh great, now they are working ???

I got the frame, the...

5 Replies

2165 Views

Last post by chenslee
Fri Jul 31, 2009 1:12 pm
how safe is acrylic pipe

Last post by inonickname
Replies: 3
by explsvcookie257 » Wed Jul 29, 2009 11:44 pm

First post

I was wondering how safe it would be to use clear acrylic pipefor my metered mapp gas gun as it is alot cheaper then clear pvc that is if you get...

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Clear PVC is the stuff to use. Though for those who have done high powered water rockets fluorescent tube covers are often used. They are usually...

3 Replies

2458 Views

Last post by inonickname
Thu Jul 30, 2009 6:30 am
help with electronic propane metering system(onboard)

Last post by jimmy101
Replies: 4
by geniusbomberman » Wed Jul 29, 2009 3:57 pm

First post

first of all, My idea would work better if I could find a digital(computer or other digital output) pressure gauge, but I haven't found a source for...

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You can get electronic pressure sensors for pretty cheap, certainly less than $20. The only time the pressure sensors start to get real expensive is...

4 Replies

4936 Views

Last post by jimmy101
Wed Jul 29, 2009 5:00 pm
STING, (Combustion Grenade Launcher)

Last post by mikemurph
Replies: 5
by mikemurph » Mon Jul 06, 2009 7:05 pm

First post

This is my latest gun, It's made from spare parts. the chamber is 2 in diameter, and the barrel is 1 1/2 . It is a rebuild of this: and I think it...

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yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball

5 Replies

4169 Views

Last post by mikemurph
Wed Jul 29, 2009 4:02 pm
some questions concerning psi of propellants and pvc pipes.

Last post by jimmy101
Replies: 9
by ghostink » Mon Jul 27, 2009 1:08 am

First post

looking for approximate estimations.

how much psi can a 'not rated for pressure' 3 diameter pvc pipe at one foot length hold safely?

at what psi...

Last post

Couple things;

All common aerosols fuels, from RightGaurd to pure propane will pressurize a closed chamber to about the same maximum pressure if the...

9 Replies

2963 Views

Last post by jimmy101
Tue Jul 28, 2009 12:48 pm
My first spud cannon [Feedback/Advice appreciated]

Last post by inonickname
Replies: 21
by Zach1188 » Wed Jul 15, 2009 9:35 pm
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Though technically not my first spud cannon, it is my first serious project. After building a small, possibly dangerous, underpowered, and poorly...

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:evil: i thought of that idea to use 3 gaps u stole that from me u noob im probly younger than u and i could make a better, more powerful one than u,...
21 Replies

12518 Views

Last post by inonickname
Mon Jul 27, 2009 5:11 am
Coaxial cannon help

Last post by frozebyte
Replies: 14
by Zach1188 » Thu Jul 16, 2009 3:24 pm

First post

I am working on designs for a coaxial cannon, but I cannot figure out how to glue the barrel into the chamber (perhaps using a reducer) without...

Last post

Not sure about gorilla glue, but epoxy will work just fine :)

14 Replies

4229 Views

Last post by frozebyte
Sun Jul 26, 2009 12:12 am
Newbie intro

Last post by Pactin
Replies: 14
by Pactin » Sun Jul 19, 2009 3:59 am

First post

Hi there spudders, I'd like to introduce myself to the forum.

My name is Pactin.......and I have no experience in spud guns haha. However, I have...

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Rather than doing a massive number of tests, you could just use a meter then measure the volume of the chamber.
that would b faster haha. but...

14 Replies

8400 Views

Last post by Pactin
Tue Jul 21, 2009 2:31 pm

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