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Reply #3: Flywheels half have the energy density of lithium batteries. They both are orders of magnitudes... [View All]

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Home » Discuss » Topic Forums » Environment/Energy

joshcryer

(1000+ posts) Send PM | Profile | Ignore

Mon Sep-07-09 08:51 AM
Response to Original message

3. Flywheels half have the energy density of lithium batteries. They both are orders of magnitudes...

...less dense than conventional liquid fuels (gasoline, ethanol), etc.

It would be nice to see flywheel efficiency get better though (build them of carbon nanotubes, would be orders of magnitudes more powerful).

Still the niggling problem of a car accident rupturing the flywheel storage device.

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