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If you know the RPM, then how do you calculate the rotational latency?

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1 Answer 1

up vote 5 down vote accepted

(1 / (RPM / 60)) * 0.5 * 1000

Or, in other words:

30000 / RPM

Result in ms.

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That would be the average rotational delay. The maximum would be twice that. –  Phenom Mar 13 '10 at 5:11
    
If this answers your question, please mark it as accepted! :) –  Alexander Burke Mar 13 '10 at 6:19

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