Does anybody know what units are in for air density in this formula
    if V is in feet per second. I'll settle for the metric units.

    I think it is in pounds per cubic inch which
    is .000046676 under standard conditions.


    Paul Lamar ...No rotor no motor.

    Paul,
    The small p is density (rho). p = P/RT
    Matt


    Yes but what are the units? Pounds per cubic inch? Pounds per cubic
    foot?
    etc. etc.


    I suspect it is pounds per cubic inch if V is in feet per second.

    Here is what I get if it is in pounds per cubic inch and V is in
    feet per second.
    --
    Paul Lamar ...No rotor no motor.

Paul,
All of my equations show pounds per square foot.
Matt

Me too but that gives really high numbers.

Paul Lamar ...No rotor no motor.

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