Hello nice people!
The second generation of WD's Velociraptors, with 450GB and 600GB capacity, have more agile arms - though it's not advertised everywhere, their track-to-track hop is 1/3 faster as are short strokes.
Nevertheless, neither noise nor consumption have increased since the first generation with 300GB capacity. This is a hint to a lighter arm.
I couldn't read an explanation for this improvement. Can you?
I had suggested electroforming to produce lighter arms of nickel, some µm thin, there:
and sent this idea to the manufacturers of hard disk drives, plus some more ideas, like the two-armed hard disk
I'd be happy if at least WD has used this idea of electroforming.
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Velociraptor 600GB more agile
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