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

Omnivorous_Bob
.333 member

Reged: 03/10/05
Posts: 285
Loc: Montana

Re: 8-bore bullets
31/05/11 07:29 AM

Rigby, I'd love to see more photos and data on your 10. My Tolley looks identical cosmetically but is non-rebounding and only a 5-dram gun for roundballs. 9 drams and conicals is a monster!

I fiddled with mine endlessly for several years before finding the right load. Rifling limited me to RBs, so in vain attempts to get the barrels to uncross I tried heavier charges of slower powders (thinking more recoil without reducing barrel time too much), light charges of smokless and BP in order to increase barrel time, etc. Factory ballistics for my gun were a 700gn ball at 1300fps, but my initial 5-dram load crossed 9" at 30 yards. Probably why I got a good deal on the gun in hindsight!

It seems like the normal rules with DRs don't always apply with BP bore guns, as adding velocity increases recoil and 'swing' but also reduces time in the barrel, and there's no good way I've found to predict which factor will be dominate. What a great excuse for spending more time at the range!

Cheers,
Bob

--------------------
"If we're not supposed to eat animals, how come they're made out of meat?"

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Subject	Posted by	Posted on
8-bore bullets	Omnivorous_Bob	29/05/11 06:00 AM
Re: 8-bore bullets	FATBOY404	29/05/11 07:40 AM
Re: 8-bore bullets	tinker	29/05/11 08:27 AM
Re: 8-bore bullets	DarylS	29/05/11 10:03 AM
Re: 8-bore bullets	gatsby	29/05/11 11:29 AM
Re: 8-bore bullets	DarylS	30/05/11 04:18 AM
Re: 8-bore bullets	Omnivorous_Bob	30/05/11 06:15 AM
Re: 8-bore bullets	LRF	03/06/11 08:20 AM
Re: 8-bore bullets	rigbymauser	04/06/11 10:06 PM
Re: 8-bore bullets	Omnivorous_Bob	03/06/11 11:35 AM
Re: 8-bore bullets	LRF	04/06/11 10:45 AM
Re: 8-bore bullets	DarylS	30/05/11 09:03 AM
Re: 8-bore bullets	tinker	30/05/11 12:11 PM
Re: 8-bore bullets	Omnivorous_Bob	30/05/11 02:34 PM
Re: 8-bore bullets	rigbymauser	30/05/11 04:13 PM
Re: 8-bore bullets	Omnivorous_Bob	31/05/11 07:29 AM
Re: 8-bore bullets	rigbymauser	31/05/11 04:39 PM
Re: 8-bore bullets	tinker	31/05/11 08:30 AM
Re: 8-bore bullets	DarylS	31/05/11 12:49 PM

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