**Estimate:**

Caliber |
mm | |

Mass |
kg | |

Velocity |
m/s | |

Penetration |
mm |

**Reference (DeMarre only):**

Caliber |
mm | |

Mass |
kg | |

Velocity |
m/s | |

Penetration |
mm |

Use the calculator on this page to estimate penetration for armour piercing projectiles. Read a bit more about the equations and see an example here.
**Estimate:**

**Reference (DeMarre only):**

Caliber |
mm | |

Mass |
kg | |

Velocity |
m/s | |

Penetration |
mm |

Caliber |
mm | |

Mass |
kg | |

Velocity |
m/s | |

Penetration |
mm |

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I'm not sure what it is but there is some problem with the right side (DeMarre) Penetration result. You have to enter a value there and then one pops into the left side (Krupp) Penetration. This is confusing.

ReplyDelete-m

That's intentional, but I can see how that would be confusing. I'll get around to changing it.

DeleteAt what range and angle the penetration value is given?

ReplyDeleteIs it point blank, i.e. 0 meters @ 90 degree?

Thanks.

Depends on what range the shell achieves that velocity at. Penetration for Krupp is 90 degrees, penetration for DeMarre is at whatever your reference angle is.

DeleteThis comment has been removed by the author.

ReplyDeleteThis comment has been removed by the author.

ReplyDeleteYour calculator isn't working properly. When you try to get the results for the DeMarre calculation it gives you a result of "NaN"

ReplyDeleteIt's working for me. Make sure to fill out all the fields in the Reference section and all fields in the Estimate section except Penetration. If it still doesn't work, post your browser and console output.

DeleteThe DeMarre calculator doesn't work.

ReplyDeleteFilled out the conditions for Calibre, Mass and Velocity but when clicking the Calculate (DeMarre) button it just gives a NaN message in the Top penetration calculator.

You need to enter reference values in the lower set of boxes if you want the DeMarre calculation.

DeleteCan you post the DeMarre equation. I can't find it anywhere

ReplyDeletehttp://tankarchives.blogspot.com/2014/10/penetration-equations.html

DeleteThanks!

Delete