On 01/02/2022 16:17, Nigel Johnson Ham via cctalk wrote:
Covering more distance in the same time means increased speed to me!


Not if you stretch the bits, as older drives did. You are still covering more linear distance per unit time but the magnetic data is smeared out just enough to counteract this. This is the disk equivalent of the Lorentz contraction. :-)


So the relative speed of your head over the platter is faster but the observable effect (data transfer rate) is the same as it is on the inner tracks.


Antonio



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Antonio Carlini
anto...@acarlini.com

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