Chrono
Well I forgot my semolina today so I just whacked a few shots off over the chrono with 8.9gn of swiss #1, ten thou patch and a 354 ball. The average velocity was 1058fps with a few going over 100fps above or below. When I later weighed my remaining vials I found that my powder thrower is not as accurate as I thought with a full grain (by weight) difference from the mean which explains some of the flyers I've been getting lately. (my excuses book is now in the seventh volume).
What I thought was interesting was how close to the speed of sound this light charge is pushing the ball. I would suggest that 12gns would certainly be supersonic and anything in-between in the transonic region which can not be good for accuracy.
I will investigate this further and report back.
Last edited by DesG; 29-01-2016 at 07:54 AM.
[I]DesG
Domani e troppo tardi
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