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  1. sjdeer25

    BHP FORMULA

    in the formula for bhp BHP= Q x SP/6356 x Eff WHERE IS THE CONSTANT 6356 DERIVED
  2. sjdeer25

    total btu/h formula broken down

    hello i have just a general question.... the formula Q=4.5 x CFM x (delta h) i know this is standard formula at sea level but my question that i havent determuned is where does the 4.5 constant get derived from..what are the specifics of that constant and does it change upon ones change in...

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