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i was theenkin.....

Discussion in 'XJ Technical Chat' started by stereomind, Sep 30, 2007.

  1. stereomind

    stereomind Active Member

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    ...how come more moto manufacturers don't use brushless alternators, ie. windings on the stator and magnets on the rotor?
     
    stereomind, Sep 30, 2007
    #1
  2. MiCarl

    MiCarl Active Member

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    Don't know for sure - but some guesses:

    1) Permanent magnets are expensive

    2) They can lose their magnetism (heat and vibration)

    3) Voltage regulator works by controlling the field on the rotor.
     
    MiCarl, Sep 30, 2007
    #2
  3. RickCoMatic

    RickCoMatic Well-Known Member

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    Cost on both ends.

    Expensive to offer driving-up prices (Unit cost of manufacturing)
    Expensive to fix driving-up repair costs (Reliability and ease of servicing Brush Units)
    Sensitivity to vibration, heat and cold.
     
    RickCoMatic, Sep 30, 2007
    #3
  4. olebiker

    olebiker Member

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    They last too long.
     
    olebiker, Sep 30, 2007
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