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Double Rifles, Single Shots & Combinations >> Paradox and Bore Guns

DarylS
.700 member

Reged: 10/08/05
Posts: 26646
Loc: Beautiful British Columbia, Ca...

Re: 12 bore bullets or molds
11/04/07 02:41 AM

Wayne - they are talking about long tons here, as in 2,200pounds per, so the pressures they are talking about are well under modern shotshell smokeless levels.
: I did well with both 4756 and 7625, 4756 being the slower burning of the two. I was so impressed with the velocities Hogdon was getting from it's longshot, that I mentioned it just hoping something was similar for you. Of course, the main problems come from getting proper wad pressure and getting the various slower powders to ignite and burn properly. Plastic wads supposedly eliminated the wad pressure loadings with shot, but since we use built up wad columns in RB loads to get proper height, we're back to loading the way the 'old timers' had to, wiht wad pressure.
: Vancouver is OK if you like crowded areas, wierd people and rain. I prefer fresh air and sunshine. I lived in the Vancouver area for a number of years. It is truely beautiful when the sun shines, though.
: When working from load data derived from shotshells and shot, we must tread softly, and carefully. A chronograph helps us stop when we've arrived at a suitable level of power.
; I would check out all or the data I could on available powders and choose one (or more) that developed the best velocities at the lowest pressures. These will normally show as being high-grain weight charges. ie: 20gr. giving max load at say 1,200fps(trap speed) with 1-1/8oz at 11,000 pounds compared to 28.0gr. giving 1,340fps with 1-1/4oz at 8,800 pounds pressure. The powder developing 1,340fps at 8,800pounds would be perfect for developing ball loads, whereas the 'faster' burning powder isn't.
; Forgot to mention - re: rifling - a fully rifled bore should devlope more breech pressure than a paradox or rifled choke on a smooth bore.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

Edited by Daryl_S (11/04/07 02:46 AM)

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Subject	Posted by	Posted on
12 bore bullets or molds	180pilot	02/08/05 04:29 AM
Re: 12 bore bullets or molds	450	01/01/07 08:52 PM
Re: 12 bore bullets or molds	DarylS	09/01/07 03:14 AM
Re: 12 bore bullets or molds	450	09/01/07 11:05 AM
Re: 12 bore bullets or molds	Omnivorous_Bob	11/01/07 04:24 PM
Re: 12 bore bullets or molds	DarylS	12/01/07 09:53 AM
Re: 12 bore bullets or molds	450	10/04/07 11:00 AM
Re: 12 bore bullets or molds	DarylS	11/04/07 02:41 AM
Re: 12 bore bullets or molds	450	11/04/07 07:32 AM
Re: 12 bore bullets or molds	DarylS	12/04/07 05:01 AM
Re: 12 bore bullets or molds	Yogi000	14/04/07 01:27 AM
Re: 12 bore bullets or molds	DarylS	15/04/07 06:33 AM
Re: 12 bore bullets or molds	Yogi000	17/04/07 03:49 AM
Re: 12 bore bullets or molds	DarylS	18/04/07 12:09 AM
Re: 12 bore bullets or molds	450	26/04/07 12:55 PM
Re: 12 bore bullets or molds	Al_in_Mi	27/04/07 01:44 AM
Re: 12 bore bullets or molds	DarylS	27/04/07 02:27 AM
Re: 12 bore bullets or molds	450	01/05/07 08:24 AM
Re: 12 bore bullets or molds	450	08/04/07 09:47 PM
Re: 12 bore bullets or molds	DarylS	10/04/07 02:00 AM
Re: 12 bore bullets or molds	450	12/02/07 10:28 AM
Re: 12 bore bullets or molds	Yogi000	27/01/07 07:16 AM
Re: 12 bore bullets or molds	DarylS	30/01/07 03:06 AM
Re: 12 bore bullets or molds	Yogi000	31/01/07 06:09 AM
Re: 12 bore bullets or molds	Yogi000	08/02/07 07:53 AM
Re: 12 bore bullets or molds	DarylS	10/02/07 03:12 AM
Re: 12 bore bullets or molds	450	15/01/07 09:50 AM
Re: 12 bore bullets or molds	DarylS	18/01/07 04:36 AM
Re: 12 bore bullets or molds	450	18/01/07 07:37 AM
Re: 12 bore bullets or molds	DarylS	10/01/07 06:58 AM
Re: 12 bore bullets or molds	450	11/01/07 01:42 PM
Re: 12 bore bullets or molds	DarylS	10/08/05 06:07 AM
Re: 12 bore bullets or molds	ALAN_MCKENZIE	02/08/05 11:00 PM
Re: 12 bore bullets or molds	ALAN_MCKENZIE	11/08/05 10:58 PM
Re: 12 bore bullets or molds	BillfromOregon	14/08/05 02:09 AM
Re: 12 bore bullets or molds	ALAN_MCKENZIE	14/08/05 03:36 PM
Re: 12 bore bullets or molds	CptCurl	14/08/05 08:12 PM
Re: 12 bore bullets or molds	ALAN_MCKENZIE	15/08/05 02:50 PM
Re: 12 bore bullets or molds	BillfromOregon	15/08/05 05:01 PM
Re: 12 bore bullets or molds	Marrakai	15/08/05 09:58 PM
Re: 12 bore bullets or molds	Retex	02/09/05 08:46 AM
Re: 12 bore bullets or molds	Marrakai	03/09/05 03:58 PM
Re: 12 bore bullets or molds	cyrixoutside	31/05/06 09:27 PM
Re: 12 bore bullets or molds	Marrakai	01/06/06 12:35 AM
Re: 12 bore bullets or molds	cyrixoutside	01/06/06 09:18 PM
Re: 12 bore bullets or molds	BillfromOregon	16/08/05 02:19 AM
Re: 12 bore bullets or molds	DarylS	15/08/05 02:54 AM
Re: 12 bore bullets or molds	pwm	09/08/05 02:39 AM

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