Post by charlie308 on Sept 29, 2013 9:36:08 GMT -5
hi- im looking to obtain the powley slide rule load and psi calculators. I met mr. powley in ohio just before he died and learned of his ballistic equations from him. I have learned to apply these equations to calculating the imr powder relative quickness to produce a starting pressure of 44000 cup(not psi) behind a bullet of a given weight and the effective case capacity. but I still like the powley slide rules for their graphic verstality. I can be reached at larc052005@yahoo.com