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Gatling #1

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Gatling #1

Unread postAuthor: ijahman » Thu Apr 29, 2010 4:03 pm

it's not finished. it will be a combustion gatling gun, with butane and it will firing "reball" paintball ammo.
it's french touch'

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Last edited by ijahman on Sun Aug 01, 2010 2:09 pm, edited 1 time in total.

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Unread postAuthor: theBOOM » Thu Apr 29, 2010 4:06 pm

Ha, I remember a similar cannon being posted on here. I'll see if I can find the link, looks like it will be a frikin beast.
edit. Found it here it is.
http://www.spudfiles.com/forums/mk-2-ro ... 15766.html
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Unread postAuthor: saefroch » Thu Apr 29, 2010 7:47 pm

How are you fueling and igniting? How fast do you expect it to shoot- shots per second and muzzle velocity?

Some specs would be nice on this too. It looks like a well-done build with some serious potential.
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Unread postAuthor: deathbyDWV » Thu Apr 29, 2010 8:24 pm

Yeah, it looks good. Does it have a loading mechanism or is it just like 6 seperate combustion guns?

Anyway, it looks good...
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Unread postAuthor: Gun Freak » Thu Apr 29, 2010 8:29 pm

Most homemade gatings like these are just separate combustion launchers that rotate and when a wire or something gets connected it sparks.
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Unread postAuthor: bighead33 » Thu Apr 29, 2010 9:41 pm

i like it but how do you get it spin
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Unread postAuthor: Moonbogg » Fri Apr 30, 2010 1:59 am

theBOOM wrote:Ha, I remember a similar cannon being posted on here. I'll see if I can find the link, looks like it will be a frikin beast.
edit. Found it here it is.
http://www.spudfiles.com/forums/mk-2-ro ... 15766.html


We NEVER saw that gun work by the way, right?
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Unread postAuthor: ijahman » Fri Apr 30, 2010 5:52 am

it's not finished, it will fire 300 shot / min (i hope all will be functionnaly )

it' s a loading mechanism, the spinning system is under construction , with a 12v motor.
<a href="http://www.servimg.com/image_preview.php?i=180&u=11915007" target="_blank"><img src="http://i61.servimg.com/u/f61/11/91/50/07/img_0532.jpg" border="0" alt="Image hébergée par servimg.com"></a>

<a href="http://www.servimg.com/image_preview.php?i=181&u=11915007" target="_blank"><img src="http://i61.servimg.com/u/f61/11/91/50/07/img_0533.jpg" border="0" alt="Image hébergée par servimg.com"></a>
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Last edited by ijahman on Tue Aug 31, 2010 11:10 am, edited 1 time in total.

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Unread postAuthor: jackssmirkingrevenge » Fri Apr 30, 2010 6:37 am

looking very good, will you be feeding a fuel/air mixture into the chambers? It doesn't like it's going to be a one-shot-per-barrel design like the others illustrated here...
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Unread postAuthor: ijahman » Fri Apr 30, 2010 6:50 am

it' s not a one shot / barrel, sorry but in english i can't explain all, it's too hard for me. sorry..

Maybe this schéma can help you to understand the refueling system.

<a href="http://www.servimg.com/image_preview.php?i=153&u=11915007" target="_blank"><img src="http://i61.servimg.com/u/f61/11/91/50/07/admiss10.jpg" border="0" alt="Image hébergée par servimg.com"></a>
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Unread postAuthor: jackssmirkingrevenge » Fri Apr 30, 2010 7:07 am

I saw that on the patator forum, what will you be feeding into the chambers? fuel mixed with air, or just fuel? I have to say, very ingenious setup :)
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Unread postAuthor: Insomniac » Fri Apr 30, 2010 7:49 am

Aah, that looks like a very elegant way of fuelling if you can get it to work. Though it does seem to have the potential to flash-back into whatever's feeding the fuel-air mix, presuming it is a pre-mixed gas you'll be piping in. Still, very nice!
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Unread postAuthor: POLAND_SPUD » Fri Apr 30, 2010 8:00 am

who said you can't have two separate channels drilled in it ? one for air and the other for propane ?
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Unread postAuthor: Insomniac » Fri Apr 30, 2010 8:08 am

Very true POLAND_SPUD, I hadn't considered that possibility.
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Unread postAuthor: Big-E » Fri Apr 30, 2010 10:00 am

that's a clever fueling method. it looks like the mix isn't ignited until the fuel transfer port is sealed off from the chamber. Thumbs up for creativity and lots of brass! Let's see If I understand how the fueling/ignition cycle works on this:

Stage one, passage between a chamber and fueling port is open, air/fuel mix fills chamber.

Stage two, barrels rotate, chamber is sealed off

stage three, mix is ignited.

repeat...

Sort of how the pneumatic miniguns work, except with air/fuel mix instead of pressurized air. Pretty slick!

If the loading mechanism is just as well thought out, it will work like a charm! Thanks for sharing! :D
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