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Pimpin' advanced combustion.

Built a combustion cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Pimpin' advanced combustion.

Unread postAuthor: chartreusesnot » Sat Feb 23, 2008 10:35 pm

This is my second real cannon, and my first combustion. It is an advanced combustion with all the works including a chamber fan, and metered propane. Propane is hard to work with in small chamber volumes such as this, ~375 cc. This is why a meter is critical, so that the propane volume falls within the golden ratio range. ~2.4% - 9.2%. I calculated the pressure for the meter to be around 20 psi. Pretty much all of the information, along with the general design, were found at burntlatke's site. I have fired it a few times, and from what I can see, it is quite powerful. I will take a video at some point. Probably tomorrow.

EDIT 1: Video
http://www.youtube.com/watch?v=lNA_xyhHTwQ
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Attachments
Full.jpg
Full view
chamberrr.jpg
chamber
angle.jpg
angle shot showing trigger
regulator.jpg
regulator with propane adapter
fan.jpg
chamber fan, smallest one at radioshack.
meter.jpg
The propane meter.
held.jpg
Size comparison
Last edited by chartreusesnot on Sun Feb 24, 2008 6:42 pm, edited 2 times in total.
_Fnord wrote:OMG you have broked teh universe!!!11exclamationpoint!1!

http://www.youtube.com/watch?v=UnKN7LXqizw
http://www.youtube.com/watch?v=oVm_3eEPEgM
http://www.youtube.com/watch?v=wLNjMSGxp00
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Unread postAuthor: Sergeant Dotson » Sat Feb 23, 2008 10:41 pm

Very nice! I like the design and idea. Keep up the good work! Now all you need to do is paint it, maybe a poll for different colors?
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Unread postAuthor: chartreusesnot » Sun Feb 24, 2008 6:41 pm

Heres the first video in crappy lighting due to a rainy day.
http://www.youtube.com/watch?v=lNA_xyhHTwQ
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_Fnord wrote:OMG you have broked teh universe!!!11exclamationpoint!1!

http://www.youtube.com/watch?v=UnKN7LXqizw
http://www.youtube.com/watch?v=oVm_3eEPEgM
http://www.youtube.com/watch?v=wLNjMSGxp00
^^^^CLICK^^^^
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Unread postAuthor: STHORNE » Sun Feb 24, 2008 7:42 pm

you should put a ball valve (or 2) in your propane meter set up for more accurate propane use, but other than that.....

JOB WELL DONE!!! :D


EDIT: oops, my bad, hard to see the ball valves with the skinny handles.
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Last edited by STHORNE on Sun Feb 24, 2008 8:44 pm, edited 1 time in total.
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Unread postAuthor: e1337 » Sun Feb 24, 2008 8:09 pm

There are ball valves as far as I can tell
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Unread postAuthor: chartreusesnot » Sun Feb 24, 2008 8:16 pm

they are the small brass pieces on either side of the gauge.
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_Fnord wrote:OMG you have broked teh universe!!!11exclamationpoint!1!

http://www.youtube.com/watch?v=UnKN7LXqizw
http://www.youtube.com/watch?v=oVm_3eEPEgM
http://www.youtube.com/watch?v=wLNjMSGxp00
^^^^CLICK^^^^
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Unread postAuthor: bigbob12345 » Sun Feb 24, 2008 8:23 pm

Nice job im planning to make one similar after I save up some money.
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