Need help w/ geometric modelling of bullet

**CrossedCannons** · 02-18-2010 05:33 PM

Does the .30 M2 Ball represent a tangent or secant ogive?

TIA

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**Highly Recommended** · 02-18-2010 05:33 PM

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**Cosine26** · 02-18-2010 07:05 PM

I believe that the M2 in common with most US buillets has a tangant ogive.

**CrossedCannons** · 02-18-2010 09:03 PM

Thanks!

**mdoerner** · 02-20-2010 11:55 AM

Details! You using Solidworks? Inventor? Wildfire? Give it up!

Mike D

**CrossedCannons** · 02-20-2010 08:49 PM

Nothing so sophisticated. Bullet's specs are given by Hatcher. For my problem, I needed the bullet's diameter as a function of its height. Given the type of ogive, this profile is easy to calculate. As a check, I could use it and the material density to calculate pretty closely this bullet's nominal weight of 150 grains. It works.

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