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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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...

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

633137 Views

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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First post

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...

Last post

great job how can i help the fourms
45 Replies

213423 Views

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

Topics

beginer wiring questions

Last post by Technician1002
Replies: 8
by mikespahn » Mon Apr 05, 2010 7:54 pm

First post

will wiring 2 9 volt batteries in series be too much for a 12 volt fan? do i need resistors before the fan? how many?

same question goes for the...

Last post

To use the math for the above fan example we will convert mA into amps by moving the decimal point over 3 places. 120 mA is 0.12 Amps.

The items in...

8 Replies

3893 Views

Last post by Technician1002
Tue Apr 06, 2010 11:52 pm
Shotshell Dart Designs and 5 Shot Group Results

Last post by boyntonstu
Replies: 4
by boyntonstu » Mon Apr 05, 2010 9:36 am

First post

Marble and nail dart

5 shot group hand held at 25 feet. Notice the carpet backing in back.

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Looks good... Shouldn't this be in ammo or pneumatic discussion?

OOOps! Yes! Can someone please move it?

4 Replies

1657 Views

Last post by boyntonstu
Mon Apr 05, 2010 4:21 pm
M1 bazooka build

Last post by Hubb
Replies: 1
by sp1ke » Fri Apr 02, 2010 5:52 pm

First post

Before I start I would like to give credit for the idea and inspiration for this to biged I will be very happy with myself if my combustion version...

Last post

The picture didn't work buddy.

The bazooka is a good challenge for a first. Good luck with it. Also, check out an AT4 . It may help you as well....

1 Replies

2161 Views

Last post by Hubb
Sun Apr 04, 2010 7:19 am
Help Building "V3" advanced combustion

Last post by metallover
Replies: 105
by metallover » Sat Feb 07, 2009 11:30 am
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I am starting work on my third advanced combustion cannon. It will have stun gun iginition, chamber fan w/ custom controller, propane fueling system...

Last post

Update! $35 bought me a husky regulator, mr heater propane adapter, and suitable hose with a couple of pipe clamps to boot. I am very happy with my...
105 Replies

29196 Views

Last post by metallover
Sat Apr 03, 2010 6:47 pm
Nichrome wire as the ignition source ?

Last post by Coodude26
Replies: 19
by tatfree » Tue Mar 23, 2010 8:29 pm
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First post

I have a few differant gages of nichrome wire and have been experamenting a little with them mostly using 9 volt batteries.

I have searched nichrome...

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What voltage is that and what's the gauge of the 8 strands ?

Seems to light really slow, that's why I'm asking.

8.4v, 32ga. I dunno if it was...
19 Replies

8290 Views

Last post by Coodude26
Wed Mar 31, 2010 10:44 pm
How far in can your barrel go into your chamber ?

Last post by Brian the brain
Replies: 4
by tatfree » Tue Mar 23, 2010 1:10 pm

First post

My barrel will be .75 ID by 1 OD and 36 long. My chamber is going to be 2.75 ID. I will probably make the chamber between 3 to 4 long depending on if...

Last post

And if you have a cleanout cap at the back, this means you can breechload it.

Slap a tater on the barrel from the back, without pushing it all the...

4 Replies

1960 Views

Last post by Brian the brain
Wed Mar 24, 2010 5:28 pm
Spark Generator

Last post by wyz2285
Replies: 5
by wyz2285 » Sat Mar 20, 2010 3:32 pm

First post

This is my first Spark Generator,made from a cigarrete lighter,very simple to make :)and powerful :D .

Last post

You mean 3 inchs long 4 inch diameter chamber, It will be a pain to ignite a chamber that large without a fan and you might should just use a bbq...

5 Replies

3288 Views

Last post by wyz2285
Wed Mar 24, 2010 3:25 pm
Exellent site for Cannon components (if you live in The UK)

Last post by Biopyro
Replies: 4
by MasterBlaster » Sun Mar 21, 2010 12:28 pm

First post

As a proud brit myself I have found it very difficult to find a site where you can buy components to make cannons, but the other day one of my...

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Not quite the same range as hendersons, but at a glance the prices seem good. Good find :)

4 Replies

2013 Views

Last post by Biopyro
Mon Mar 22, 2010 7:21 am
2" Chamber to 1/2" Barrel old school Hair spray

Last post by tatfree
Replies: 1
by tatfree » Fri Mar 19, 2010 1:07 am

First post

I just picked up an Aluminum 2 Cam and groove coupler yesterday,

Like this one.

I am going with an Aluminum 2 Chamber down to an Aluminum 1/2...

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Okay thanks guy, looks like I'll make it a 4 to 1 ratio chamber/barrel for maximum efficiency as many of you PMed me with to do.
Keep the PM's coming.

1 Replies

1412 Views

Last post by tatfree
Sat Mar 20, 2010 1:02 pm
how you do attach PC to the chamber?

Last post by mark.f
Replies: 12
by bighead33 » Fri Mar 19, 2010 12:44 am

First post

how do you attach PC to the chamber?

SP: i all ready read burntlatke and the spud files wiki but i want to know how you do it.

Last post

What size is your fan (commonly, they come in 120, 80, 60mm sizes), and what size is your chamber?

If they are relatively close, I usually just wrap...

12 Replies

4635 Views

Last post by mark.f
Fri Mar 19, 2010 4:45 pm
burntlatke parts for direct propane injection assembly

Last post by starman
Replies: 6
by bighead33 » Mon Mar 15, 2010 6:03 pm

First post

i was on the burntlatke site( and i was looking for parts for that assembly and there like impossible to find on the internet or in stores so is...

Last post

Instead of that plain adapter, you should consider getting a standard basic Bernzomatic torch with the valve attached, and unscrew the crooked torch...

6 Replies

3241 Views

Last post by starman
Thu Mar 18, 2010 2:45 am
Cables

Last post by metalmeltr
Replies: 3
by voodooguns » Tue Mar 16, 2010 7:41 pm

First post

Hi my name is Scott new to this forum. Not new to spudding. I was looking around and looking for some info on using some sort of cables to make...

Last post

How many wirs do you need to conect? Have you considered any plugs like those that are used on trucks for trailer lights or those used on boats for...

3 Replies

1864 Views

Last post by metalmeltr
Wed Mar 17, 2010 11:59 am
Question

Last post by jackssmirkingrevenge
Replies: 5
by MasterBlaster » Tue Mar 16, 2010 7:42 pm

First post

Hay all, ive recently thought of using all the spare parts which have caused a backlog of pvc in my garage to make a new spudgun, the trouble is that...

Last post

For the same pressure, lower barrel diameter and chamber volume will yield lower power. In this case, the 75mm barrel has an area roughly 1.5 times...

5 Replies

2527 Views

Last post by jackssmirkingrevenge
Wed Mar 17, 2010 1:11 am
my giant cannon. not really getto

Last post by vblock
Replies: 14
by vblock » Sun Mar 14, 2010 3:11 pm

First post

hows it going guys ? I hope im doing this right im not so good on the computer but my cannon seams decent . here is some specs. Chamber size. 4 x48...

Last post

how do i put up a preview ?? sorry im not good with computers

14 Replies

6852 Views

Last post by vblock
Mon Mar 15, 2010 4:55 pm
JDP's combustion cartridge prototype

Last post by jackssmirkingrevenge
Replies: 18
by JDP12 » Sun Feb 07, 2010 3:08 pm
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First post

Well going off of JSR's efforts I've decided to make my own prototype.

It's 4 of 1 PVC, I have to let it cure and then add electrodes.

If I am...

Last post

Have decided to abandon this project due to a disappointing lack of power

Same old reasons, ah well. Good luck with a hybrid :)
18 Replies

5527 Views

Last post by jackssmirkingrevenge
Mon Mar 15, 2010 12:39 pm
The ZapLight

Last post by Zeus
Replies: 15
by Hubb » Wed Mar 10, 2010 9:48 am
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The other day, I was at a flee market and came across a vendor selling stun guns. Of course, I bought one so that I could finally finish my...

Last post

Higher voltage won't directly affect igntion by producing more heat, but it will allow more current to flow. But if you take into account wattage,...
15 Replies

5608 Views

Last post by Zeus
Fri Mar 12, 2010 5:54 pm
Quick Repeating Sparkers

Last post by chenslee
Replies: 10
by skyjive » Wed Mar 03, 2010 5:38 pm

First post

Hi all,

This is one of my first posts in the combustion section, mostly I just do pneumatics, so excuse my ignorance. I'm looking to build a propane...

Last post

Full auto would be sick. You would be showered with props. You would need a props umbrella.

You'd have to constantly spin the propbrella like a...

10 Replies

3650 Views

Last post by chenslee
Fri Mar 12, 2010 2:01 pm
Engine Magnetos as Ignition Source for Combustion Cannons

Last post by Zeus
Replies: 8
by Jimmy K » Wed Mar 10, 2010 6:54 pm

First post

So one of my main hobbies is rebuilding antique engines. I just bought a Wisconsin engine a couple of days ago. Now, these old Wisconsin engines were...

Last post

I shall post the results of the anti-phase ignition coils in two days.

8 Replies

3377 Views

Last post by Zeus
Thu Mar 11, 2010 1:35 am
combustion cartridge prototypes

Last post by jackssmirkingrevenge
Replies: 39
by jackssmirkingrevenge » Wed Sep 05, 2007 9:57 am
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Just thought I'd host the diagrams and photos from my R&D into combustion cartridges here as they no longer appear in the archived spudtech thread .

Last post

Prototype here , I stopped working on this project though due to disappointing power.
39 Replies

16539 Views

Last post by jackssmirkingrevenge
Wed Mar 10, 2010 5:49 am
advanced combustion cannon ideas

Last post by DR
Replies: 24
by Spud Bud » Sun Feb 07, 2010 5:16 pm
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Hello everyone I'm a new member of this site, I am fascinating by the spud gun cannon hobby and i want to make an advanced cannon for under 100...

Last post

In your beginning post, you stated:

I was thinking of a 4in chamber, 25in long with either a golf ball, tennis ball, or plain'ol 2in barrel of...
24 Replies

10769 Views

Last post by DR
Tue Mar 09, 2010 3:20 pm
9V in chamber

Last post by starman
Replies: 12
by Sonicboom101 » Fri Mar 05, 2010 2:12 pm

First post

Hello, I'm building a new launcher and I'm trying to make it as light as possible. With my chamber fan I want to power it by a 9V battery. I was...

Last post

I have used the Ultimatespudgun system to construct Mr Morph . The 9v battery inside the chamber will be perfectly fine....IF.... you find a way to...

12 Replies

3603 Views

Last post by starman
Fri Mar 05, 2010 10:08 pm
How do attach the propane injection with the chamber?

Last post by MrCrowley
Replies: 7
by VirusX » Tue Mar 02, 2010 11:32 am

First post

Hey,

How do I connect the elbow of the propane injection (shown in the tutorial) with my chamber? I mean drilling a hole in the chamber can be...

Last post

It's a combustion cannon. If it was a hybrid, or operated as a hybrid, he would also inject air pressure in to the chamber with the fuel.

7 Replies

3414 Views

Last post by MrCrowley
Fri Mar 05, 2010 9:43 pm
Head Theads

Last post by MrCrowley
Replies: 13
by bighead33 » Thu Mar 04, 2010 10:20 pm

First post

can't i just jet my torch head threaded at home depot?

Last post

If his last username is anything to go by, he's only 12 as well.

13 Replies

3358 Views

Last post by MrCrowley
Fri Mar 05, 2010 5:10 pm
Propane Cylinder

Last post by Hubb
Replies: 1
by bighead33 » Thu Mar 04, 2010 12:16 pm

First post

Question One:Instead of Using a Propane Torch How About A Cylinder?
Question Tow:When Using a Cylinder When the Volume in the Chamber Max Out Will...

Last post

Question 1: Use the cylinder for what? The torch head is usually connected to the cylinder and then connected to a hose of some sort.

Question 2:...

1 Replies

1504 Views

Last post by Hubb
Thu Mar 04, 2010 3:03 pm
How To Calculate C:B Ratio?

Last post by MrCrowley
Replies: 5
by bighead33 » Wed Mar 03, 2010 2:35 am

First post

ok i Like Air/Fuel Ratio i Don't Get Chamber/Barrel Ratio so i Bet You Get My Question Before i Ask it. How Do i Calculate C.B :?:

Last post

bighead33,

You've already made two accounts, which is ban worthy. Not only that, 2 out of 3 of you topics have been locked, because you're too damn...

5 Replies

1933 Views

Last post by MrCrowley
Wed Mar 03, 2010 3:46 pm

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