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  1. Optimal gear ratio for electric engine

    Technical Discussion
    I wanted to ask what the gear ratio should be of my electric vehicle to allow it to have the fastest speed possible, while not blowing up my engine. The vehicle I'm building has a Servovision 10 kW electric motor. I'll be running it at 48 volts. Further details of the motor are at servovision...
  2. unconventional project

    Batteries and Charging
    Hello community, I need your help for a challange. The goal would be to power a 150 kW electric engine for the duration of 30 s to 1 min. Afterwards the batteries could be broken (so only one use). I found some performance data for engines, e.g. Mass 43 kg Power 150 kW...
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