Mr Helmholz - simple model

[William T Wilson]

On Fri, 21 May 1999, C. Brooks wrote:

> Is this true of forced induction motors, two stroke motors etc.? I've
> seen this equation before but I've always assumed (Yeah I know, I
> know...) that it was for a 4 stroke normally aspirated motor.

It hasn't got anything to do with the type of engine, but is an artifact
of the way torque and HP are calculated.  The point where the curves cross
will change, however, if you go from US-style measurements (HP and ft.lbs)
to international/scientific measurements (watts and newton-meters).