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Calculating DC Electric Motor Power for Bluetooth-Controlled Car: Formulas and Patterns

Euxinus 4791 2
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
  • #1 16743834
    Euxinus
    Level 2  
    Hello gentlemen and ladies.
    I am inspired and I am trying to build a bluetooth-controlled car. I have some knowledge, but I have a question for you, because you probably know more than me. And I don't want to do it anyhow.
    The car is to be powered by a DC electric motor. I would like to know how to calculate the necessary engine power (needed torque, rotational speed, etc.) (or rather 2 each engine for one wheel), if there is any formula, I would ask for help.
    Data that I initially managed to estimate it.
    Weight about 7 kg.
    Max speed 30-50 km / h (such +/- only temporarily)
    The maximum dimensions are 30x25x15.

    I mean mainly patterns, not ready engines. Other parameters, such as the size of the wheels, I would choose later. Standard resistance to motion.
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  • #3 16744041
    _jta_
    Electronics specialist
    Remember that the power of the electric motor depends on the RPM - calculate the torque from the nominal power and nominal RPM and do not count on a bigger one.
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