On Thursday, May 24, 2012 09:56:21 AM dave did opine: > I'd feel better is the cover/latch had a gas vent to move gas away from > the shooter if something ruptures. Some muzzleloaders drill a small > vent hole coaxial with the drum; apparently it helps ignition but I > don't know why. There was a story in "Muzzle Blasts" about a > muzzleloader the owner called "old butt burner". It really spewed a > flame to the right when it fired. The shooter to the right was bending > over with his rear too close to the vent and he did a dive over his > bench when it went off. > The cleanest solution I've seen was a .25 pistol cartridge (CF) used to > ignite the charge. About at the end of the active use of muzzleloading > shotguns some were ignited by .22 rimfire with powder but, of course, > no lead. However, mz shotguns operate at about 8 Ksi opposed to rifle > that may go as high as 25 Ksi with 18 Ksi being more normal. .22 > rimfire are at about 11 Ksi. > > Most of the guys I know are using CCI Magnum #11 caps and getting good > ignition.
I have a #11 nipple for this one too, but the CCI #11 Magnum hasn't the fire to do anything but a noticeable hangfire at best. I tried it twice, the first time there was a 3/4 second hangfire, the 2nd I wound up unscrewing the breech and putting about 10Gr of 777 in, and rather forcibly screwing the breech back in. That fired nicely, and while it was a bit of a PIMA to load the 777 first, then the BH209, the resultant accuracy was much improved. Pacing the barrel heating, I fired nearly a full card of bullets, winding up with a 10 shot group of just over 2" at 50 yards that day. BH209 being a smokeless but with added smoke, seems to heat the barrel faster than the other black subs, so 6 shots were enough to warm it nicely, potentially damaging the sabot by melting. > A couple of years ago I did a golf ball mortar using plain old > fashioned fuse; was good for about 150 yards. :-) That's better than my drives 98% of the time. :) I have been out on the coarse a few dozen times, but can't say as I can 'play' the game. > 'Nuf rambling for this time of the night. > > Dave Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> ignorance, n.: When you don't know anything, and someone else finds out. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
