The Firing Line Forums - View Single Post - Pedersoli Quigley 45-90, Black powder only?

MC One Shot · March 25, 2012, 11:28 AM

I can determine velocities by using my chrony. I have not looked it up yet but is there a formula to determine cup based on the knowns?

March 25, 2012, 11:28 AM	#6
MC One Shot Junior Member Join Date: August 6, 2008 Posts: 14	I can determine velocities by using my chrony. I have not looked it up yet but is there a formula to determine cup based on the knowns?