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Super Time

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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Super Time

Unread postAuthor: WOW!! » Mon Apr 30, 2007 7:03 pm

Here it is, my super time cannon. Made it in 27 minutes with the parts in my garage.
Chamber
163.199ci, 2674ml

Barrel
64'' of 2'' Sch 40barrel, 211.035ci, .8:1 CB ratio
4'' chamber fan
Dual spark ignition from electric sparker
Image Chamber fan

ImageLooking in the front at the electrodes
ImagePropane meter and tank valve
ImageWere the battery goes for the chamber fan
ImageEnd cap with the U bolt so it is easyer to get off.
ImageWhole cannon
ImageWere you plug in the electric sparker
ImageThe electric sparker
Image
The end of the extension cord were you use a jumper cord and that fires the cannon.
VIDEO
Image
The ammo was a really big potato and the target was some 1/2'' plywood.
Here are some pics of the ply wood-

Image
Image
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Last edited by WOW!! on Sun May 06, 2007 5:32 pm, edited 2 times in total.
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Unread postAuthor: bboymatty » Mon Apr 30, 2007 10:10 pm

god damn man those pictures are blurry! gonna need to post a few pics that give a full view of your cannon, plus replace those in which u cant actually make out what your looking at.
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Unread postAuthor: WOW!! » Tue May 01, 2007 5:06 am

bboymatty wrote:god damn man those pictures are blurry! gonna need to post a few pics that give a full view of your cannon, plus replace those in which u cant actually make out what your looking at.


My camera wont take any good ones anymore, I dont know why but I will try again.
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Unread postAuthor: Recruit » Tue May 01, 2007 5:09 am

I think the auto focus is off. I find if you hold the camrea really still while taking pics they are a lot clearer.
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Unread postAuthor: jrrdw » Tue May 01, 2007 6:44 am

WOW!! wrote:
bboymatty wrote:god damn man those pictures are blurry! gonna need to post a few pics that give a full view of your cannon, plus replace those in which u cant actually make out what your looking at.


My camera wont take any good ones anymore, I dont know why but I will try again.


You need way more light, even if it looked light enough to your eye. The best light is from behind the object facing the object, pointing to it.
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Unread postAuthor: wangpushups » Mon Nov 05, 2007 9:21 pm

What size is your meter and how much volume is in it? I have the same chamber volume and i have a regulator. I'm going with 3/8 pipe size because when i used 1/2 inch it was too big.
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Unread postAuthor: WOW!! » Fri Nov 09, 2007 11:36 pm

wangpushups wrote:What size is your meter and how much volume is in it? I have the same chamber volume and i have a regulator. I'm going with 3/8 pipe size because when i used 1/2 inch it was too big.



I don't have the cannon anymore, I forget what size the meter was but you can use the Burnt Lake calulactors to figure out your meter.
This is to find your chamber volume-http://www.burntlatke.com/ratcalc.html

And this is for the size of your meter pipe- http://www.burntlatke.com/ft_live.html

Any other Q's?
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