On Aug 21, 2006, at 7:02 PM, Bob Axtell wrote:

> He said if it is tracking, his batteries are topped by the
> time he gets to the office at 9:30AM

Ah.  I don't have any problem believing that the gain from
tracking is substantial during the "early morning" or "late
afternoon" phases of things.  But I think the claims is that
for the whole day the difference is smaller because most of
the energy is going to show up in that 9am-3pm timeframe where
tracking is less critical.

If his batteries are topped off by 0930, I think he could
have gotten by with smaller panels (or he needs a bigger
battery.)

BillW
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist