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Handy equations thread

Discussion in 'Racer Cars' started by Mr Whippy, Aug 13, 2010.

  1. Ft-lbs x 1.35 = Nm

    Kmh x 0.6214 = Mph

    Lbs / 2.2 = Kgs

    those are some that I pretty commonly use
  2. e=mc^2
  3. I know this one from Miura. To calculate the torque @ peak power when making torque curves from scratch there`s a very simple formula. Let`s say we have a 2.0diesel with 400Nm @ 2000rpm and 150hp @ 400rpm. The formula is as follows: 150(max power)/1.35x9549/4000(max power rpm)=265.25Nm@4000rpm