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Forum: Reloading

11-17-2009, 01:27 PM

Replies: 21

Bullet density and Ballistic Coefficients

Views: 3,037

Posted By driftrider

Well, that equation is the one manufacturers use...

Well, that equation is the one manufacturers use to ESTIMATE a bullets BC. The "form factor" variable is the one where manufacturers fudge. It would give a valid relative comparison between two...

Forum: Reloading

11-16-2009, 04:44 PM

Replies: 21

Bullet density and Ballistic Coefficients

Views: 3,037

Posted By driftrider

Not exactly true. The BC of a bullet can be...

Not exactly true. The BC of a bullet can be ESTIMATED by looking at the form factor of the projectile, sectional density (the ratio of mass to cross sectional surface area) and the approximate...

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