Mini cannon.

I'm not sure-honestly I use the cap off the 1pd bp container(about filled)

The cap off a 1lbs Black powder container???
That would only be around 30-60grains??

I should add in here...
I'm not trying to call you out on it.. But I'm just baffled that the 66mm Cannon only needs 'a cap full', when my 3/4" (19mm) likes to dance with anywhere from 200-600 grains but performs best with 550-650grains.
 
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The touch hole on the pocketcannons.com mini-cannon is too small for the readily available visco fuse. I used my next largest drill bit (7/64) to enlarge the hole. If I had one at the time, I believe I could've gotten away with using a 3/32 bit. Very little material needs to be removed, but it is too small to get the fuse through the factory drilled hole. The drilled cannon shoots fine though (all 4 of them ;) ).
 
just bought my own mini-cannon. The screws are too small for my booger hooks to manage so I bought some stainless thumbscrews.

They came in bags of ten screws. If anybody wants some of the extras, I'm selling them in the EE... http://www.canadiangunnutz.com/forum/showthread.php?942737-Ergonomic-thumbscrews-for-Pocketcannons-com-mini-cannon
The original screws seem to fit down the barrel nicely....hmmm :pirate:

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I sourced some Thermalite fuse & just got notification that our cannons have shipped! Now to grab a pound of powder... FFF blackpowder

This should be FUN! HE HE

Cheers
Jay
 
just bought my own mini-cannon. The screws are too small for my booger hooks to manage so I bought some stainless thumbscrews.

They came in bags of ten screws. If anybody wants some of the extras, I'm selling them in the EE... http://www.canadiangunnutz.com/forum/showthread.php?942737-Ergonomic-thumbscrews-for-Pocketcannons-com-mini-cannon
The original screws seem to fit down the barrel nicely....hmmm :pirate:

zqEUN0W.png


A few of those would make a nice touch on a model ship!
 


The drawing is for a MODEL U.S. 1844 Ten Inch Seacoast Mortar. The bore size of 1.75 inch is CO-INCIDENTAL with the size of a Golf Ball, and a stack of four golf balls painted black can be used for display purposes. A GOOGLE search of the Internet should show a lot of these and the BASE for the Mortar can be made quite easily.

It should be pointed out that there is NO hole for a fuze indicated on the plans, and if anyone makes a similar MODEL of this Mortar, and intends on firing it, they are on their own responsibility as they and they alone are responsible for the materials used, and workmanship. If you make a MODEL with the intention of firing it, then YOU ARE ON YOUR OWN. I have my own 2000 aquare food building with a large metal lathe, milling machines, shapers, and welding equipment, and am a Certified Welder, but please do not ask me to make one of these for you.

For MY MODEL, I used a four inch diameter, eight inch long, billet of STEEL. I drilled the hole for the Trunions first, then inserted a blank piece of round stock into the hole, and ground it down to the contour of the four inch barrel. This way, the barrel can be turned in the lathe, then the "plug" pushed out after machining, thus giving a clean Trunion hole. I did not put on the "lifting lug on top of the barrel" or the reinforcements where the trunions meet the body.

IMPORTANT NOTE: The diameter of the body is 3.9838 and NOT 4.9838 as the drawing shows. Another mistake is the 12.3738 dimension near the powder chamber..... This was copied a long time ago from an Internet website, and is not my drawing. The outside dimensions are not critical to four decimal places, but bore and powder chamber dimensions should be followed.

The round stock used for the Trunions is welded in place and the weld ground down to match the contour of the Mortar.
 
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Time to bring this thread back to life. I was bored today and had some brass rod lying around so I whipped this up in about 1.5 hours. It shoots airsoft ammo (5.59mm) with black powder. Now I need to build an aluminum base.
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My Millwright buddy built a few mini cannons we set off at camp. If only he used his powers for good instead of evil lmao
 
That doesn't happen to be the .75cal cannon Marstar was selling last spring!? Boy oh boy I'm still pissed about the way they handled orders for that thing. Placed the order not 2hrs after they posted it, credit card submitted, shipping fill out, only to find out the next day it sold over night ?!#%$ would've been handy since it shot the same ball my Brown Bess does. The traditions cannons seem alright to, I've noticed Dixie Gun Works sells them.
 
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