On Fri, Sep 23, 2005 at 01:13:19PM -0700, James Newtons Massmind wrote:
> > > Yes, but again, why move the mirrors? 
> > 
> > Upwards of 40% more available solar energy simply by tracking the Sun.
> > 
> 
> 
> Arrrggghhh....
> 
> 
> No, no, no... 
> 
> 
> I'm sorry...
> 
> 
> I mean, why move the mirrors when you could move the target instead?

Angle of incidence. If the mirrors are fixed at true south then it'll be
nearly midday before they can concentrate full sun. It narrows the window
of useful sun significantly. 

Tracking isn't about the target of the concentration. It's about the source.

BAJ
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