Dave cab you explain to me offline why it is the square, not the double? Peter> Date: Tue, 5 Feb 2008 11:32:39 -0500> From: [EMAIL PROTECTED]> To: [email protected]> Subject: Re: [Liveaboard] Wind Generator Energy> > > As for the wind generator question, for me, E=MV^2 is still a valid law of> > physics. When the wind doubles in speed, the wind contains four times the> > energy. If the wind generator is 100% efficient and extracts all the> > energy possible then the output also goes up four times. I will not> > believe the cube thing until I see it proven clearly enough for my mind to> > accept it.> > I don't think you can make the assumption that wind generator> efficiency is constant. As I understand it (reference books are in> storage) the efficiency increases significantly with RPM. That's why> so many wind generators aren't very effective at low wind speeds.> There are both mechanical and electrical inefficiencies that change> (differently) with rotational speed.> _______________________________________________> Liveaboard mailing list> [email protected]> To adjust your membership settings over the web http://www.liveaboardnow.org/mailman/listinfo/liveaboard> To subscribe send an email to [EMAIL PROTECTED]> > To unsubscribe send an email to [EMAIL PROTECTED]> The archives are at http://www.liveaboardnow.org/pipermail/liveaboard/> > To search the archives http://www.mail-archive.com/[email protected]> > The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html _________________________________________________________________
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