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

954970 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

314746 Views

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

Topics

WD-40 or Triflow as a fuel??

Last post by Hubb
Replies: 30
by JDP12 » Thu May 03, 2007 6:08 pm
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First post

Hey all,

Well mom won't let me use hairspray..lp stuff won't be comin for a while now..So I need to find a fuel..

I did a quick search..But never...

Last post

AAAAAAAAAAAAAAAAAAAAAAAgh

Pick up the F'ing can and read the label .

Does it says it is flammable?

Hey somebody has to take DRs place and be...
30 Replies

10714 Views

Last post by Hubb
Sun Sep 09, 2007 12:24 am
Best Bang For My Buck?

Last post by Blackett
Replies: 10
by G-town » Thu Sep 06, 2007 10:44 pm

First post

i have built a cannon already. i was very inprest with what i was able to do. i now have a electronic sparker so i want to build something rely...

Last post

That bosen clip is infamous

10 Replies

3363 Views

Last post by Blackett
Sun Sep 09, 2007 12:16 am
Best Aerosol Fuel

Last post by jimmy101
Replies: 11
by FLspudman » Thu Nov 02, 2006 4:41 pm

First post

Hello everyone. I am a relatively new gunner and I feel I am not sophisticated enough for any of this metered propane or butane stuff. I have done...

Last post

Just my $0.02 ...

You really should completely forget anyone ever told you about any fuel that has anything in it other than propane or butane....

11 Replies

5832 Views

Last post by jimmy101
Sat Sep 08, 2007 12:20 pm
RC stun igntion

Last post by jimmy101
Replies: 6
by CannonCreator » Thu Sep 06, 2007 9:48 pm

First post

I am going to make a RC stun gun igniton for my cannon, but I need help with how you hook up the RC to the stun gun. Does anyone have experience on...

Last post

Take a look at Singularity 's Wiki page on remotely fired pneumatics.

Scroll down to the wiring section. Replace the solenoid (that operates the...

6 Replies

2628 Views

Last post by jimmy101
Fri Sep 07, 2007 10:53 am
Adding Fan

Last post by Blackett
Replies: 5
by CannonCreator » Wed Sep 05, 2007 9:00 pm

First post

Hey guys, My combustion is getting very warm and I decided to get a fan to put in it. Im going to also make a whole control box for it to. But on my...

Last post

If you just wedge it in there, or behind the endcap it will be fine. i suggest a fuel alternative, but if you consist on useing hairspray just dont...

5 Replies

1972 Views

Last post by Blackett
Thu Sep 06, 2007 6:17 pm
Theory on Fast Combustions

Last post by jimmy101
Replies: 8
by noname » Tue Sep 04, 2007 7:44 pm

First post

I just had this random idea, but since only H2O is left over from a hydrogen combustion, if you could meter in the stoichiometric volumes of air or...

Last post

If you are adding oxygen (or air) via an injection system than there is really no advantage (or disadvantage) to using hydrogen versus any other...

8 Replies

2343 Views

Last post by jimmy101
Thu Sep 06, 2007 10:14 am
Piezo question

Last post by dongfang
Replies: 7
by Hubb » Tue Sep 04, 2007 9:27 pm

First post

I was just wondering if a piezoelectric igniter could be used to supply current to devises instead of batteries.

Example: The piezo is wired into a...

Last post

Hi

If you want to generate low voltage electricity from stuff moving, use a magnet (those you can pull from hard disk drives are really powerful)...

7 Replies

2757 Views

Last post by dongfang
Wed Sep 05, 2007 3:37 pm
semi-automatic combustion cannon

Last post by jackssmirkingrevenge
Replies: 24
by Tom » Fri Aug 24, 2007 8:40 am
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This is my first project in combustion cannons, the goal is to make a semi-automatic combustion cannon. The reloading of the ammo wil be with a...

Last post

Do you still have the diagram of it?

go here
24 Replies

7000 Views

Last post by jackssmirkingrevenge
Wed Sep 05, 2007 9:57 am
Flex-Lighter: Simple $9 ignition method?

Last post by jimmy101
Replies: 3
by redchigh » Sun Sep 02, 2007 8:02 pm

First post

My mother-in-law used to have one of these, and I remembered it... I recently saw it in wal-mart for 9.00.

I figure it would be easier to click than...

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Of course, you could just connect a wire to the hot electrode of the lighter, another to the metal flex tube and then run those two wires to...

3 Replies

2242 Views

Last post by jimmy101
Mon Sep 03, 2007 12:36 pm
Fred's new stainless beauty

Last post by Dumbascii
Replies: 19
by Dumbascii » Thu Aug 30, 2007 7:35 pm
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Fred asked me to post this. It is not quite ready to fire yet. Should be capable of scary fuels like acetylene. All smooth bore stainless steel...

Last post

I wonder what's gonna happen W/ that tripod When you fire that thing :roll:
Should be fine. It is very rigid though it doesn't look it. The...
19 Replies

8644 Views

Last post by Dumbascii
Mon Sep 03, 2007 9:11 am
Ultra-Easy Alternate Ignitor? Possible cartrage use!

Last post by Blackett
Replies: 25
by Hailfire753 » Fri Aug 24, 2007 9:55 pm
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First post

Hey everybody, I was surfing the net when I found this vid:

In it, they use a piece of pencil lead to create a light. The lead is attached to a...

Last post

actually I tried this with .7mm graphite-aka mech. pencil lead.

I got it to reach incandesence through the use of two nine volts, however I had an...
25 Replies

6925 Views

Last post by Blackett
Sun Sep 02, 2007 11:27 pm
Is that stungun really dead?

Last post by Tom
Replies: 10
by jimmy101 » Sat Sep 01, 2007 2:11 pm

First post

The cheapo stungun most of us use are really not very well made. (What do you expect for ~$10?)

Folks have posted that their stunguns quite working...

Last post

yah. flybacks tend to hurt/burn.

10 Replies

6619 Views

Last post by Tom
Sun Sep 02, 2007 8:14 pm
PL-02 Stormbringer

Last post by mtronic
Replies: 6
by niglch » Mon Aug 20, 2007 12:00 am

First post

I've been working on this gun with my friend for a couple weeks now. You can see my original post about it here from before we had constructed it. It...

Last post

niglch nice vid mate :D and nice cannon too. Was that filmed at your moto track? It looked as thought there were some jumps there?

6 Replies

3388 Views

Last post by mtronic
Sun Sep 02, 2007 3:36 am
Automated fuel injection for Taternator II

Last post by Dumbascii
Replies: 8
by Dumbascii » Thu Aug 30, 2007 11:21 am

First post

You're all probably sick of hearing about Taternator II improvements. I guess it's like people who have a baby and tell you every stupid thing it...

Last post

this is just crazy dude whats next?
Besides future full-auto, I'm thinking of switching back to pure oxygen. I've beefed up the fuel...

8 Replies

4633 Views

Last post by Dumbascii
Sat Sep 01, 2007 8:30 pm
$0 combustion

Last post by n3rdkw
Replies: 25
by Fnord » Thu Jul 05, 2007 3:01 pm
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First post

$0 combustion

I made this a while back, (shortly after the contest) but never bothered to post it until now.
This was meant to be a test of my...

Last post

Haha, Ya half a kilo of lead IS very lethal at 150 fps.
Actually, just film yourself firing a potato straight up and time how long it takes for the...
25 Replies

10933 Views

Last post by n3rdkw
Sat Sep 01, 2007 10:07 am
chamber shape

Last post by jimmy101
Replies: 8
by <WOG> » Thu Aug 30, 2007 5:49 pm

First post

just a quick question

does theshape of the chamber effect how the gun shoots or its recoil or anything?

thanks

Last post

Not so sure about the spherical chamber being optimal.

A closed spherical chamber burns faster than other closed chamber shapes.

But a spud gun is...

8 Replies

2788 Views

Last post by jimmy101
Fri Aug 31, 2007 12:27 pm
Yet another stun gun question...

Last post by Dornep
Replies: 6
by Dornep » Tue Aug 28, 2007 9:54 pm

First post

I searched to try and find my answer but I got 6009 results on 201 pages.

I'm planning my next cannon and I want to go with a spark strip with at...

Last post

I will be ordering one sometime Tomorrow BC. Right now I have exactly one dollar... blew last weeks paycheck on PVC :D

6 Replies

1841 Views

Last post by Dornep
Thu Aug 30, 2007 4:31 pm
Of interest?

Last post by Hubb
Replies: 7
by Hubb » Wed Aug 29, 2007 9:00 am

First post

Just putting this out there for you guys.

I recently built a small combustion and quickly realized I had a slight problem. The chamber is 1.5 sch...

Last post

I actually thought of that, too. But my little cannon is running off of propane. I probably could do without the fan and still get a goo shot but...

7 Replies

1931 Views

Last post by Hubb
Thu Aug 30, 2007 5:14 am
Lack of Power

Last post by n3rdkw
Replies: 12
by Dornep » Mon Aug 27, 2007 5:36 pm

First post

I have a combustion which uses metered propane, BBQ sparker ignition with a single spark gap, and a 50mm chamber fan. The gun's chamber is made of a...

Last post

There is a major difference in the forces the fan will experience when comparing front and rear chamber placements. Simply put, if the fan is...

12 Replies

4905 Views

Last post by n3rdkw
Thu Aug 30, 2007 12:04 am
Two Combustion-Related Questions

Last post by iPaintball
Replies: 9
by Velocity » Mon Aug 27, 2007 12:07 am

First post

1) Right now, I have an automotive ignition coil. It works fine, but it is really way too bulky for my taste. The diameter is over 2 , and the height...

Last post

You cant use a pocket rocket ignition coil, unlrss it's from a superbike, and even then I'm not sure. Regular poscket bikes use magneto ignition...

9 Replies

2543 Views

Last post by iPaintball
Wed Aug 29, 2007 12:45 pm
Ignition box.

Last post by jimmy101
Replies: 7
by iPaintball » Sun Aug 26, 2007 5:45 pm

First post

I am almost finished with my ignition box for my combustion, but there is one part of the box I can't seem to figure out. It has a keyed saftey...

Last post

Actualy, LED's don't really care about voltage as long as it's in the right direction, its just current that's the problem.

Almost but not quite....

7 Replies

2962 Views

Last post by jimmy101
Wed Aug 29, 2007 12:12 pm
First Cannon

Last post by JJ pyro
Replies: 6
by Spedy » Wed Jul 18, 2007 1:08 pm

First post

This is my first cannon, And I think it turned out pretty well. Credit goes to whoever it was that knocked some common sense into me and reminded me...

Last post

real nice cannon :)

6 Replies

2085 Views

Last post by JJ pyro
Tue Aug 28, 2007 12:54 pm
Spark Plug

Last post by jimmy101
Replies: 2
by n3rdkw » Mon Aug 27, 2007 4:31 pm

First post

Is it possible to use a low grade spark plug to ignite the gas?
If it is, would someone please tell me approximately how to?
The problem is, my BBQ...

Last post

Sounds like you really need to come up with a way to protect the wires where they attach to the piezo.

Try something like this;

Fiddle around...

2 Replies

1829 Views

Last post by jimmy101
Mon Aug 27, 2007 5:56 pm
Schematic for Camera Ignition

Last post by jimmy101
Replies: 10
by Hubb » Sun Aug 26, 2007 12:17 pm

First post

Most of the information from this schematic came from the wiki. I pieced it all together and added some additional items, such as the LED and the...

Last post

A high voltage SCR will work, that is what I used on my coil gun. An SCR is probably better than the relay since there are no points to burn. But,...

10 Replies

4014 Views

Last post by jimmy101
Mon Aug 27, 2007 3:05 pm
Help with combustion

Last post by jimmy101
Replies: 7
by Hubb » Sat Aug 25, 2007 3:52 pm

First post

I am looking to build an advanced combustion cannon (you know; propane injection, fan, and all that good stuff). The problem I got is that I don't...

Last post

hubb017:

Making a homebrew step-up transformer shouldn't be too hard (but a bbq piezo is a heck of a lot simpler, safer, and probably cheaper)....

7 Replies

2516 Views

Last post by jimmy101
Sun Aug 26, 2007 4:38 pm

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