Audi A6 and A8 have enough solar cells just in the sunroof to power the
ventilation fan (for hot weather...keeps the temps in the normal range)
;<()
Karl Batzler
84 Vanagon
87 Audi 5000 S

-----Original Message-----
From: Rian Mullins <rian.mullins@MAIL.COM>
To: vanagon@GERRY.VANAGON.COM <vanagon@GERRY.VANAGON.COM>
Date: Sunday, January 17, 1999 6:41 PM
Subject: Re: Photon driven Vanagon?

>Isn't the point that photons have kinetic energy, but no rest mass. i.e.,
> if a photon could possibly be at rest (which I don't think it can), then
>it would have no rest mass.
>
>We've got a lot of real estate up there on the roof; how much power could
>we get by lining our Vanagon roofs with solar cells?
>
>YauMan Chan wrote:
>
>>And the question is, if in fact photon really don't have mass, then what
>>make this thing spin? Or does this proof photon have mass?