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Electric car

Discussion in 'Electronic Basics' started by Rodney Kelp, Nov 25, 2004.

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  1. Rodney Kelp

    Rodney Kelp Guest

    Would two large capaciters be cheaper than batteries to drive an electric
    car. Say a couple of 2 farad capacitors. Capicators would recharge faster
    too.
     
  2. No. The energy density of capacitors will always be lower than
    chemical batteries. Electric fields across insulating layers cannot
    compete with chemical bonds.
     
  3. John Larkin

    John Larkin Guest

    They'd discharge faster, too. As in a fraction of a second.

    John
     
  4. news

    news Guest

    Yes But it would be quite a ride for a second.
     
  5. John Larkin

    John Larkin Guest

    Maybe if the car weighed a few grams.

    John
     
  6. steamer

    steamer Guest

    --Sounds like someone from sci.physics.electromag might be fun to
    talk to. 2 Farads would be a good start for a mass driver, heh.
     
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