Powering a Half Ton 4x4 Truck: How Many HP Does an Electric Motor Need?

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Discussion Overview

The discussion revolves around determining the horsepower (Hp) required for an electric motor to effectively power a half ton 4x4 truck. Participants explore the differences between electric and gas motors, considering factors such as torque and power ratings.

Discussion Character

  • Debate/contested

Main Points Raised

  • One participant suggests using the same power rating as the original non-electric motor if it was satisfactory.
  • Another participant proposes that an electric motor might require less horsepower due to its maximum torque being available at startup, which could be advantageous for moving a truck.
  • A different participant questions the comparison between electric and gas motors, implying that a higher horsepower rating, such as 250hp, might be necessary for an electric motor.

Areas of Agreement / Disagreement

Participants express differing views on the horsepower requirements for an electric motor compared to a gas motor, indicating that multiple competing perspectives remain without a consensus.

Contextual Notes

There are assumptions regarding the torque characteristics of electric motors and the adequacy of horsepower ratings based on previous non-electric models that remain unresolved.

Grabowski
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How many Hp would an electric motor need to reliably power a half ton 4x4 truck?

Thanks
 
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Use the same power rating as the original non-electric motor, if that was satisfactory.
 
You can probably get away with a bit less - the limit on a truck engine is getting enough torque to get it moving, electric motors have maximum torque at startup so might be a better fit to a truck
 
you can't compare an electric motor with a gas motor.. so i should find a 250hp electric motor??... right

thanks anyways
 

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