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Ny superkule til 6,5


andsto

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Se på kula. Har den en annen form enn andre kuler?

?action=media;sa=media;in=709;v

 

Formfaktor, i, er tverrsnittsbelastning/BC - så i7 blir 0.83 eller noe sånt - når de glatteste VLD kulene ellers har 0.93... Beklager, men, på nynorsk: get real...

 

K

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hmm, blir marginal mtp. stabilitet: Kula må ha mye fart ja. ( i alle fall i min R8 med twist på 8,33)

Stability

Input Data

Caliber: 0.264 in

Bullet Weight: 142.0 gr

Bullet Length: 1.450 in Plastic Tip Length: 0.000 in

Muzzle Velocity: 860.0 m/sec Barrel Twist: 8.3 in

Temperature: 5.0 °C Pressure: 29.92 in Hg

Output Data

Stability: 1.315

12/04/15 07:40, JBM/jbmstab-5.1.cgi

 

link:

http://www.jbmballistics.com/cgi-bin/jbmstab-5.1.cgi

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