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

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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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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...

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great job how can i help the fourms
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Last post by quinn whitsitt
Fri Mar 01, 2024 10:52 am

Topics

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

2954 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

4281 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

2644 Views

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

Last post by sniperx117
Replies: 7
by sniperx117 » Sat Aug 25, 2007 5:16 pm

First post

Simple design. Maybe I ll get a video of it later...

With my paintball guns.....

Last post

Actually, thats an eggy 3. Thats my Rex gun. Go to pbreview.com and look it up. Actually, llook up odyessy ox3. Its a great gun man

Yeah, me and my...

7 Replies

3149 Views

Last post by sniperx117
Sun Aug 26, 2007 8:18 am
Camera Flash

Last post by Killjoy
Replies: 8
by TaBo » Fri Aug 24, 2007 5:32 am

First post

Hi guy's, i have question...
when i open the camera there is wire's to the flesh light, and more.. when i cut the flesh light, and charge the camera...

Last post

(killjoy: how did you get that setup to work without frying the second coil? I must have missed something, because I've killed two of them by...

8 Replies

4824 Views

Last post by Killjoy
Sun Aug 26, 2007 2:10 am
My First Cannon!

Last post by spudgunnerwryyyyy
Replies: 20
by CannonCreator » Sun Aug 12, 2007 2:46 pm
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First post

Hey guys,

This is the very first cannon I have ever built. This was sort of a experiment for me to see if I can make it without help, and it...

Last post

Looks a lot like my first cannon. I really like how you put washers on the machine screws adds strength.
20 Replies

9037 Views

Last post by spudgunnerwryyyyy
Sun Aug 26, 2007 12:30 am
Pipe Question

Last post by noname
Replies: 5
by pneumaticspud » Fri Aug 24, 2007 9:39 am

First post

What type of pipe should i use for my combustion? ABS or PVC?

Last post

ABS+ acetylene may be a bad idea, but it sure is fun! :D
I always make sure I'm wearing hearing protection and standing at least 15 feet away, so...

5 Replies

2467 Views

Last post by noname
Fri Aug 24, 2007 5:39 pm
ignition from leaf blower

Last post by homedepotpro
Replies: 11
by homedepotpro » Tue Aug 21, 2007 10:37 pm

First post

I've seen people hook their camera flash circuits up to an ignition coil from a car but would this one from a leaf blower work the same. If so does...

Last post

ok thanks, guys.

11 Replies

7012 Views

Last post by homedepotpro
Fri Aug 24, 2007 3:36 pm
Ignitors

Last post by jimmy101
Replies: 10
by pneumaticspud » Thu Aug 23, 2007 10:44 am

First post

Wouldit be possible to have 2 ignitors for the cannon? like you have 1 lantern lighter and a BBQ lighter. im sure it would be but i just wanted to...

Last post

if you wanted you could use two bbq ignitors and press them at the exact same time.
That would be very hard to do. The entire combustion process...

10 Replies

3812 Views

Last post by jimmy101
Fri Aug 24, 2007 11:04 am
Ball Valve Question

Last post by Dornep
Replies: 8
by Dornep » Wed Aug 22, 2007 5:09 pm

First post

I've been having leakage issues with my new combustion. When It was finished I test fired it a few times, on a few of the shots the projectile (AA...

Last post

Where you just filling it wuth 20psi of propane to test that it was air tight or were you doing that to fuel it? and why are you using a burst disk...

8 Replies

2829 Views

Last post by Dornep
Thu Aug 23, 2007 9:06 pm
How to use an automotive ignition coil

Last post by Dumbascii
Replies: 4
by Dumbascii » Wed Aug 22, 2007 8:44 pm

First post

This is the ignitor used in my Taternator II . It can be made from cheap junkyard parts, any old mechanical ignition. When the button is pressed,...

Last post

For this type of circuit the capacitor is the condensor from the old automotive points/rotor setup.
Exactly - nothing to buy.

The cap can be...

4 Replies

2750 Views

Last post by Dumbascii
Thu Aug 23, 2007 6:48 pm
just a question

Last post by bassmaster1228
Replies: 11
by bassmaster1228 » Tue Aug 21, 2007 9:03 pm

First post

if i were to take a number of 9v batteries (lets say 5,6,7, batteries)and then conect them in series, then if i were to touch the positive and...

Last post

ok thanks guys.

i figured it wouldnt work but it was worth a try.

11 Replies

4104 Views

Last post by bassmaster1228
Wed Aug 22, 2007 3:12 pm
Stratigic Spark Placment

Last post by thespeedycicada
Replies: 22
by CannonCreator » Sat Aug 18, 2007 1:31 am
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I was wondering. Does it really matter were ur spark in your chamber is coming from?

And im starting to think it might. If you place the bolts or...

Last post

I agree with putting the spark in the back, though I like my own idea better. Build an induction coil capable of producing a spark that runs the...
22 Replies

6376 Views

Last post by thespeedycicada
Wed Aug 22, 2007 1:21 pm
X-26 for ignition

Last post by jimmy101
Replies: 18
by Surlyman » Sat Aug 18, 2007 1:50 pm
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First post

Has anyone ever seen a Taser used as an ignition? I'm not talking about a stun gun. Taser X-26 is what I'd like to see. I carry one for work.

Last post

The wires are probably insulated enough to prevent that from happening since it is meant to have a lot of voltage.

WTF?

What wires?

The taser's...
18 Replies

6182 Views

Last post by jimmy101
Wed Aug 22, 2007 10:41 am
A few questions- (a new fuel?)

Last post by singularity
Replies: 4
by redchigh » Tue Aug 21, 2007 9:28 pm

First post

I was looking around wal-mart and saw something called 3-2-1 Dry. It's used to dry nail polish, fake nails, etc. It's three main ingrediants are:...

Last post

sunlight degrades pvc very slowly like were talking years here (pretty sure its the UV rays) but the tape is still probably a good idea. i doubt it...

4 Replies

1921 Views

Last post by singularity
Tue Aug 21, 2007 10:46 pm
Starting fluid won't work

Last post by mtronic
Replies: 13
by jaspervandieman » Fri Aug 17, 2007 3:12 pm

First post

I have a basic combustion gun that works 1st shot EVERY time with alcohol but NEVER works with starting fluid. I've tried all different amounts of...

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starter fluid works fine for me too, even in my first cannon without the fan. Just make sure your holding the can properly and dont spray it directly...

13 Replies

4295 Views

Last post by mtronic
Tue Aug 21, 2007 6:22 pm
Measuring how fast propane mixes without a fan

Last post by mark.f
Replies: 4
by jimmy101 » Tue Aug 21, 2007 11:09 am

First post

I've setup a 12 L x 3 ID combustion chamber. The chamber does not have a fan (well actually it does but it is not turned on).

The barrel has been...

Last post

I believe, from my ventures in last year's chemistry class, that the rate of effusion , (which is similar to, but not identical to diffusion , which...

4 Replies

1613 Views

Last post by mark.f
Tue Aug 21, 2007 6:08 pm
BBQ sparker

Last post by n3rdkw
Replies: 15
by n3rdkw » Mon Aug 13, 2007 12:01 pm
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First post

I was using a BBQ sparker that had 2 wires coming out of. And when you put the wires really close together and click, it sparks.
Well, that one sorta...

Last post

whats the watch for?

probably just to show the proportion of the gun in the picture.

Exactly
And I timed it to be approximately 330 fps with...
15 Replies

5752 Views

Last post by n3rdkw
Tue Aug 21, 2007 5:33 pm
Ignitor

Last post by flamerz14
Replies: 18
by flamerz14 » Sun Aug 19, 2007 8:44 am
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This is a bunsen burner ignitor I had lying around. Quite useful for pyroteching and burning myself.

Last post

Lucky you..Well, least now we know that this is reliable enough to light such low concentrations of flamable vapour..
18 Replies

19372 Views

Last post by flamerz14
Tue Aug 21, 2007 8:29 am
flyback ignition help.

Last post by iPaintball
Replies: 16
by Blackett » Sat Aug 18, 2007 1:06 am
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First post

Okay, i have successfully at least managed to identify the flyback component in this junior tv, but It is soldered to a particularly large circuit...

Last post

I don't understand your question. Just PM me for help
16 Replies

4882 Views

Last post by iPaintball
Mon Aug 20, 2007 7:12 pm
New Loading Method?

Last post by Intel Xeon
Replies: 26
by CannonCreator » Sun Aug 19, 2007 7:13 pm
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First post

Yesterday My uncle came over for my sisters birthday, and he knows a lot about pretty much everything. When he was a kid him and his friends made...

Last post

This is what CannonCreator looks like to me right now. Link

Gadzooks! MMR Rocks.
26 Replies

7550 Views

Last post by Intel Xeon
Mon Aug 20, 2007 4:26 pm
How much fuel

Last post by Redcoat
Replies: 5
by Surlyman » Sun Aug 19, 2007 7:16 am

First post

Just finished my first cannon. I will be using static guard for fuel. How much fuel should I use? The barrel is 1.5 dia. 36 length and the combustion...

Last post

basically following f.c' advice don't over do it. Put in enough to make you worry about it but not enough to make you chicken out. That's my...

5 Replies

2757 Views

Last post by Redcoat
Mon Aug 20, 2007 5:53 am
20PSI Bernzomatic Propane Tanks?

Last post by Dornep
Replies: 2
by Dornep » Sun Aug 19, 2007 6:23 pm

First post

Ok guys I need some pointers.

I finished my 2nd combustion a few hours ago and for the last 45 minutes I've been trying to figure out why it only...

Last post

Yes my meter pipe is a 5 inch long section of 1/2 inch galvanized steel. The meter pipe on my first combustion is a 12 inch section of 1/2 inch...

2 Replies

2014 Views

Last post by Dornep
Sun Aug 19, 2007 7:43 pm
C:B ratio on my Cannon! :(

Last post by boilingleadbath
Replies: 16
by CannonCreator » Fri Aug 17, 2007 9:08 pm
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Ok first of all, this is the C:B ration on my FIRST cannon. I didn't have rat calc before this. And even worse I used the instructions in the...

Last post

We do not know the answer to the last question, cannon creator.

There are two modes of thought, however:
1) Based on the premise that combustion...
16 Replies

5483 Views

Last post by boilingleadbath
Sun Aug 19, 2007 5:19 pm
Basic design for launcher

Last post by sandman
Replies: 18
by niglch » Sun Aug 05, 2007 10:45 am
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First post

I was bored over the last couple days so I decided to model a quick plan for my second cannon. I thought it was a little interesting because of the...

Last post

he said blender, and i use it too and its good
18 Replies

6487 Views

Last post by sandman
Sat Aug 18, 2007 8:36 am

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