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*NEW* My M-55 Mk. IV Metered Propane Cannon

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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*NEW* My M-55 Mk. IV Metered Propane Cannon

Unread postAuthor: Tombstone » Mon May 26, 2014 6:53 pm

Here is my latest and best big gun!! Meet the M-55 Mk. IV !
*BTW, the roadsign was straightened and re-attached to the post after that massive shot*... :p

SCH 40 PVC, Doubled on chamber and first half of barrel.
0.4:1 C:B Ratio, 4.1% Propane/Air ratio (metered).
Same ignition as my previous M-55's (BBQ Igniter with modded electrode).
New mod on my chamber fan module, added a threaded steel rod through, epoxy'ed and bolted tight, to have a solid grip on the fan module to unscrew/screw for maintenance of chamber.
Chamber : 4in.X 20in.
Barrel : 1.5 X 50in.
Sound : Badass.
Recoil : Solid.
Reliability : One click, one bang...
Grinning like a mofo everytime i fire it : PRICELESS!!!


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Last edited by Tombstone on Mon May 26, 2014 10:00 pm, edited 1 time in total.
..."Cannons to right of him,
Cannons to left of him,
Cannons in front of him
Volley'd and thunder'd;
Storm'd at with shot and shell,
Boldly He rode and well,
Into the jaws of Death,
Into the mouth of Hell
Rode the Tombstone."...
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Tombstone
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Joined: Thu Aug 01, 2013 4:17 pm
Location: Quebec, Canada
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Re: *NEW* My M-55 Mk. IV Metered Propane Cannon

Unread postAuthor: Anatine Duo » Mon May 26, 2014 8:01 pm

that's pretty awesome

I like when plumbing doesn't look exactly like plumbing
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Anatine Duo
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Re: *NEW* My M-55 Mk. IV Metered Propane Cannon

Unread postAuthor: Tombstone » Mon May 26, 2014 9:51 pm

Hehe, thx !! Me too man, i like to make my guns, solid, badass and lookin' good, although, it still aint perfect finish-wise, cause i've had to improve on my original design, and had to repaint a few parts and retape the whole thing, but i think i'm becomming a decent "Cannonsmith", lol!... ;)
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..."Cannons to right of him,
Cannons to left of him,
Cannons in front of him
Volley'd and thunder'd;
Storm'd at with shot and shell,
Boldly He rode and well,
Into the jaws of Death,
Into the mouth of Hell
Rode the Tombstone."...
User avatar
Tombstone
Private First Class
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Posts: 29
Joined: Thu Aug 01, 2013 4:17 pm
Location: Quebec, Canada
Reputation: 1

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