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RE: any difference between magnetic drive & direct drive ?

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In Reply to: RE: any difference between magnetic drive & direct drive ? posted by Tedmc on March 24, 2010 at 12:22:03

So why is having the drive system close to the platter bad?

Follow Ups:

RE: any difference between magnetic drive & direct drive ? - Tedmc 13:52:53 03/24/10 (2)
Mechanical resonances.And the close proximity to the critical bearing.
- RE: any difference between magnetic drive & direct drive ? - cbrady 13:58:15 03/24/10 (1)
  Sorry I meant to say bearing not platter. To repeat, why would placing the drive in proximity to the bearing make mechanical resonances or any other issues worse. The bearing is indeed critical, but how would having the motor components close by make things worse than if they were moved farther outward?
  - RE: any difference between magnetic drive & direct drive ? - Tedmc 14:08:53 03/24/10 (0)
    Having mechanical energy/resonances in close proximity to a main bearing is not a bad thing at all (in and of itself)...as long as there is no energy actually reaching/interfering with the bearing itself and causing measurable distortion.

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