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View Diary: Green Light!  Flywheel Energy Storage (228 comments)

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  •  You miss the point again (0+ / 0-)

    I was talking about these things as ideas that have been made possible by more recent technical advances, not about their actuality. That was the entire point of my post, about the ideas that have become part of the general innovation in flywheels; otherwise I'd have been simply re-stating the diary, something I don't really bother with a comment for.

    Besides, as all the technical literature points out, high-speed carbon fiber flywheel systems must use active magnetic bearings and have from the start, since any other type of bearing cannot support the high rotational velocity of these flywheels (to say nothing of the difficulty of operating a mechanical bearing in a vacuum.) The reverse is certainly not true, as companies like ActivePower use magnetic bearings but still use steel flywheels in their commercial products.

    Conservito delenda est pro is deleo orbis terrarum!

    by Stwriley on Wed Aug 11, 2010 at 12:49:25 PM PDT

    [ Parent ]

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