Author Topic: rookie questions  (Read 992 times)

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Offline rudge

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rookie questions
« on: January 02, 2007, 05:39:53 AM »
I'm a real rookie.  Just purchased my first - a 25 caliber Coehorn Mortar .

I have some  Goex fine blackpowder rifle powder  - can that be used or do I need to purchase Goex
powder made specifically for cannon?

Re loading - I would appreciate any advice about methods for loading ie size of load and best way to load and any
other information that would be usefule to a newcomer.

Thank you for you help



Offline jeeper1

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Re: rookie questions
« Reply #1 on: January 02, 2007, 06:50:32 AM »
For a mortar that small 4f is best and 3f is acceptable. Cannon grade powder is very nearly the bore size and not needed or rhe best powder for under 1.5 inch bores.
I have no ideas on loads for something that small.
I may not be completely sane, but at least I don't think I have the power to influence the weather.

Offline GGaskill

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Re: rookie questions
« Reply #2 on: January 02, 2007, 10:46:56 AM »
Try a charge of 4F that is 1/4" deep in the bore.
GG
“If you're not a liberal at 20, you have no heart; if you're not a conservative at 40, you have no brain.”
--Winston Churchill

Offline Rickk

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Re: rookie questions
« Reply #3 on: January 02, 2007, 12:35:13 PM »
If you are talking about one of Brooks .25 caliber barrels, it is strong as anything. If it isn't a Brooks, I don't know anything about it.

4F is the way to go.

You will find that in the little guns that without any wadding nothing spectacular will happen.... It will just sorta go woosh. Toilet paper wads can be your friend here. The .177 caliber nano-naval I made for my son sounds like an inch and a half firecracker. You should be able to accomplish that. It isn't going to shake the house or blow out windows, so don't try to do that... if you get that urge think "bigger" :-)

Just rember that a wad is still a projectile, and at short distances it will still be dangerous.

The wad will also smolder, so be careful about where it goes so you don't light anything on fire.

You will find a smoldering wad on the ground about 10 feet +- in front of the gun.

Offline irishman

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Re: rookie questions
« Reply #4 on: January 06, 2007, 06:18:36 AM »
Rickk, you always are good to me. Thank you for the compliment.  Can I cc your response and add to the instructions that I send with our small barrels?                           Michael

Offline Rickk

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Re: rookie questions
« Reply #5 on: January 06, 2007, 01:58:06 PM »
Sure Michael, although my load specifics I'll have to keep between you and me and a few other followers of your work.

You know that several of us have tried unsuccessfully to hurt one of your barrels.  ::)


Offline EL Caz 66

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Re: rookie questions
« Reply #6 on: January 06, 2007, 02:43:34 PM »
Opps!!  ;)

Offline Cat Whisperer

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Re: rookie questions
« Reply #7 on: January 06, 2007, 04:41:15 PM »
I hope that wasn't in the break room or cafeteria!   ;D
Tim K                 www.GBOCANNONS.COM
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Offline Double D

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Re: rookie questions
« Reply #8 on: January 07, 2007, 01:37:13 AM »
All depends who owns the cafeteria or break room.


Offline Cat Whisperer

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Re: rookie questions
« Reply #9 on: January 07, 2007, 03:04:56 AM »
All depends who owns the cafeteria or break room.

I guess that could lead to some 'interesting' lunch-time discussions!

Tim K                 www.GBOCANNONS.COM
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Offline EL Caz 66

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Re: rookie questions
« Reply #10 on: January 07, 2007, 09:41:06 AM »
 This one was during coffee a break (.50 cal. Brooks mountain Howitzer gun replica) http://www.youtube.com/watch?v=kXnb51SitI4
Ed