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Author Topic: Twist rate on a 3 inch Ordnance rifle.  (Read 382 times)

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Offline Cannon Cocker

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Twist rate on a 3 inch Ordnance rifle.
« on: September 22, 2012, 07:09:05 PM »
Who knows the twist rate on a 3 inch Ordnance rifle.  Also, what would be the scaled down twist rate for a 3/4 scale Ordnance rifle (2.25" bore).
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Offline GGaskill

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Re: Twist rate on a 3 inch Ordnance rifle.
« Reply #1 on: September 22, 2012, 08:51:55 PM »
According to AOP No. 12 Plan Folio, one turn in ten feet.  I would think 1 in 7.5 feet would be three quarter scale but it would depend on the specific projectiles you use.
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