Testing our petrol-electric conversion. After Helen's gearbox failed we
decided to use the same general arrangement as Colin Edmondson's 'Scamp'
design. Two identical electric motors are used. The petrol engine
drives one motor, making it a generator. This generator motor is
connected to the other (driving) motor via a reversing switch and PWM
speed controller. Thus speed and direction control is provided without
the need for a mechanical gearbox. Many thanks to Colin for his advice
an...
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