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Old 11-21-2022, 07:15 PM
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Tegyrius Tegyrius is offline
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Quote:
Originally Posted by 3catcircus View Post
Anyone know how Stage III ballistics are calculated? The math doesn't scare me, I just need to understand how the formulas vary in each range band.
As best I can reconstruct from poorly-annotated spreadsheets... use the following formula to generate the effective (for certain values of "effective") velocity for the range band:

(Vi + (2 x Vm) + Vo) / 4

Vi = velocity at inner boundary of range band
Vm = velocity at midpoint of range band
Vo = velocity at outer boundary of range band

Thus, for the Medium range band (100m to 200m), you'd use

(100m velocity + (2 x 150m velocity) + 200m velocity) / 4

- C.
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Old 11-22-2022, 02:43 PM
3catcircus 3catcircus is offline
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Thanks! Seeing this - it makes sense that a weighting factor was applied towards the middle while averaging the velocity across the range band.

Quote:
Originally Posted by Tegyrius View Post
As best I can reconstruct from poorly-annotated spreadsheets... use the following formula to generate the effective (for certain values of "effective") velocity for the range band:

(Vi + (2 x Vm) + Vo) / 4

Vi = velocity at inner boundary of range band
Vm = velocity at midpoint of range band
Vo = velocity at outer boundary of range band

Thus, for the Medium range band (100m to 200m), you'd use

(100m velocity + (2 x 150m velocity) + 200m velocity) / 4

- C.
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