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<blockquote data-quote="dennishoddy" data-source="post: 3169836" data-attributes="member: 5412">RPM is just a measure of twist vs velocity, and your correct, This stuff has been figured out long ago. I went to the Camp Perry matches back in the 80&#039;s as part of a support unit of the Army Reserve. I volunteered to work nights so I could watch the 1000 yard matches. They would fire one round, remeasure the humidity, and other variables then load one more round right on site. Shoot again, rinse and repeat. It was a laborious process they used. Now technology has improved long range shooting with Kestrels to measure wind speed (which can certainly change over the course of 1000 yards in different directions) and other innovations in technology.In the 60&#039;s and early 70&#039;s the 30-06 was still the king of the&nbsp; 1000 yard range. My how things have progressed with the new bullets with incredible BC&#039;s, and the use of ultra high speed photography to actually watch the bullet in flight and improve the design.</blockquote>

[QUOTE="dennishoddy, post: 3169836, member: 5412"] RPM is just a measure of twist vs velocity, and your correct, This stuff has been figured out long ago. I went to the Camp Perry matches back in the 80's as part of a support unit of the Army Reserve. I volunteered to work nights so I could watch the 1000 yard matches. They would fire one round, remeasure the humidity, and other variables then load one more round right on site. Shoot again, rinse and repeat. It was a laborious process they used. Now technology has improved long range shooting with Kestrels to measure wind speed (which can certainly change over the course of 1000 yards in different directions) and other innovations in technology. In the 60's and early 70's the 30-06 was still the king of the 1000 yard range. My how things have progressed with the new bullets with incredible BC's, and the use of ultra high speed photography to actually watch the bullet in flight and improve the design. [/QUOTE]

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