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Old 04-07-2018, 05:17 PM
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Phx Mike Phx Mike is offline
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Cobra Make, Engine: Ex owner of a polished Kirkham 427 S/C. Now Cobra-less and driving a mid-engine German hot rod.
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I get a lower number. Just estimating things here but came up with the following:

6 lb lead hammer = 2.72 kg
Moving at 11 m/s (about 25 mph)
Decel time hitting spinner = 0.01 sec (10 msec). Just a guess here
Decel therefore equals 1100 m/second squared
Force = just under 3000 Newton’s = 674 lbF
Spinner radius of about 6 inches means a torque of 335 lb-ft

Mike.
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