On Feb 14, 3:06am, Jeremy R King wrote:
> Subject: Re: Al Rotors - The definitive answer (Looong)
> On Tue, 13 Feb 1996, Richard Funnell wrote:
> > >BECAUSE Aluminum also
> > >dissipates heat to air a lot better than iron.
> > Really?
Aluminum *conducts* heat better than iron. Aluminum has a
lower *specific heat*, so it doesn't *store* as much heat energy
as does iron. But dissipation rates are entirely a function of
geometry and temperature difference.