Hmm......this does not make sense to me.
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Hmm......this does not make sense to me.
I took the Bowen Ruger .32-20 out to the range today and it shoots really well.
BUT it has this odd report. It will have a nice healthy "CRACK" sound for four or five shots but there will be a less crisp sound in there too. Maybe one of every five shots. The bullets don't seem to be wandering, but there is something not right here. A definite change in the report.
BUT it has this odd report. It will have a nice healthy "CRACK" sound for four or five shots but there will be a less crisp sound in there too. Maybe one of every five shots. The bullets don't seem to be wandering, but there is something not right here. A definite change in the report.
Dumb question, but does it only happen with one specific chamber or does it not depend on this? Don't know if B/C gap can just be almost non existant for one chamber and your not getting much blast on that one. I ask this because my Super BH seem to rub slightly on the cylinder at one point against the barrel face and the B/C gap was pretty much non-existant. All I can think of really. Also, my single six has a nearly non existant gap and I could almost shoot it without ear plugs it's so quiet. My sportsman 999 really cracks with the larger b/c gap.
Last edited by C. Cash on Tue Jan 01, 2008 8:44 pm, edited 2 times in total.
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The 'crack' is the sound of the bullet breaking the sound barrier. It is possible that your load is right on the edge of the velocity needed to break that barrier, and that the few loads that are just under that speed will, of course, have a different sound.
In the old days, muzzle loader shooters used this sound to help tune their loads.
The gasses escaping the muzzle can also create this 'crack' but generally more so with rifles than handguns.
In the old days, muzzle loader shooters used this sound to help tune their loads.
The gasses escaping the muzzle can also create this 'crack' but generally more so with rifles than handguns.
- horsesoldier03
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Well, all except for one thing. I don't think that 4.8 gr of Unique could get that bullet near the speed of sound. I am thinking an ignition problem maybe.
I will mark the chamber next time I go out.
The chronograph deal is troubling since some sorry so and so stole my Chrony!
Either does not explain the nice groups. It is a puzzle.
I will mark the chamber next time I go out.
The chronograph deal is troubling since some sorry so and so stole my Chrony!
Either does not explain the nice groups. It is a puzzle.
- horsesoldier03
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On a Bowen I'd bet yer cylinders and gap mike out very uniform. My guess is you've got some powder position differences. Shake each cartridge and verify the stuff is loose in all the cartridges and then
shoot em all the same, either coming down from above or up from below.
I've experienced similar things with light loads of Unique in my 41 especially when I leave em loaded a long time nose down in a cartridge box. Tightgroup doesn't seem to be nearly as position sensitive as Unique, also the new Cowboy powders do much better at fillin the case and still result in light loads.
shoot em all the same, either coming down from above or up from below.
I've experienced similar things with light loads of Unique in my 41 especially when I leave em loaded a long time nose down in a cartridge box. Tightgroup doesn't seem to be nearly as position sensitive as Unique, also the new Cowboy powders do much better at fillin the case and still result in light loads.
I really doubt if Mr. Bowen would let a bad one leave the shop......it has to be primers are funky or powder is funky....you need to part with 70 bucks for another Shooting Chrony.....they might have factory re-conditioned less than that.......I'll send you mine for a week if you want....
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- marlinman93
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What distance are ou shooting? Any difference in velocity or chamber to forcing cone issue might not show up as an accuracy issue until it gets out to further distances. Might have to start moving the target out until the shot pattern opens up.
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That is a very good point marlinman!marlinman93 wrote:What distance are ou shooting? Any difference in velocity or chamber to forcing cone issue might not show up as an accuracy issue until it gets out to further distances. Might have to start moving the target out until the shot pattern opens up.
It could be there isn't enough resolution at this distance for any possible errant shots to be identified.
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Scott,
Believe me, everybody makes a mistake sooner or later. Mic the cylinder throats. Sounds like one may be a bit oversize.
Believe me, everybody makes a mistake sooner or later. Mic the cylinder throats. Sounds like one may be a bit oversize.
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Steve's Guns aka "Rossi 92 Specialists"
205 Antler lane
Lampasas, Texas 76550
http://www.stevesgunz.com
Email; steve@stevesgunz.com
Tel: 512-564-1015