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  1. #1
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    General advice on electric motors.

    I've been reading through the threads and can't see the info I'm looking for.

    Are people using AC or DC motors ?

    How many Watts or HP ?

    One of the motors I've been considering is this:

    http://www.hobbyking.com/hobbyking/s...idProduct=5139

    It equates to about 9hp, should I go with this or look for a DC alternative ?

    What motors are people using ?

    I'm in the UK and really don't know where to look for a suitable motor.

    I'm interested in all opinions and advice

    TIA.

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  2. #2
    Member burns's Avatar
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    It depends, if you`ve got a driving licence or not. Here in Austria and Germany you may drive a 250 Watt bicycle without a licence plate.
    You ride 25-40 kms an hour. Some years before, they developed in the Technical University in Biel, Switzerland, a 1000 Watt bicycle,
    a sportive girl rode nearly 100 kms an hour. It`s possible to buy stronger motors, but, as I told before, you`d need a driving licence
    and a licence plate.

    Hope this short info was helpful,

    Hans

  3. #3
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    AFAIK the limitation here is whether or not it can exceed 15mph.

    Whether there is a power or weight limit I don't know.
    Making a Pilom Triple LED Headlight ? I have parts available :)
    Bell R2 Conversion
    HID Project
    Dynohub R2 Project & Custom Helmet Lighting
    Aurora P7 Review

  4. #4
    Senior Member rscamp's Avatar
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    Almost all E-Assist motors are brushless DC. A few are still brushed DC.

    That motor you are looking at is a hobby brushless DC motor requiring a sensorless brushless speed control. It is capable of over an order of magnitude more power than would be legal for an e-bike in most locations...
    Rob

  5. #5
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    Has anyone got any suggestions for the following:

    1) how many watts for a useful electric bike ?

    2) what capacity battery ?

    3) make/supplier of suitable motors in the UK ?

    TIA
    Making a Pilom Triple LED Headlight ? I have parts available :)
    Bell R2 Conversion
    HID Project
    Dynohub R2 Project & Custom Helmet Lighting
    Aurora P7 Review

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