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Posted by Morris Dovey on March 8, 2011, 8:53 pm
 
On 3/8/11 1:41 PM, Curbie wrote:


I agree. It's not a matter of holding back - it just doesn't make sense
to spend that much time producing a How-To for so few people while other
problems remain unsolved.

In the "unsolved problem" category, here's a time-lapse video of a
(non-electric) solar-powered tracker built by a clever Kiwi:

    

The jitter is the result of wind and (a lot of) backlash in the drive
train, but the approach taken looks good.

--
Morris Dovey
DeSoto Solar
http://www.iedu.com/DeSoto/

Posted by Curbie on March 8, 2011, 9:29 pm
 
Morris,

If you or anyone read anything negative in my use of the term "hold
back" it was not my intension and I apologize.

I still like the single axis clockwork tracker used on the Scheffler
concentrator, but I don't really see from the video how that one
works.  

Curbie


Posted by Morris Dovey on March 8, 2011, 10:11 pm
 On 3/8/11 3:29 PM, Curbie wrote:

I didn't, but was sensitive that some will consider that it's
unforgivably selfish of me to drop it and move on with other projects.
You have nothing to apologize for.


It's a bit easier to see here:

    

The obvious advantage in my pumping context is that the pump can (also)
keep the tracking reservoir filled.

--
Morris Dovey
DeSoto Solar
http://www.iedu.com/DeSoto/

Posted by Curbie on March 8, 2011, 10:54 pm
 wrote:



Posted by Curbie on March 8, 2011, 10:57 pm
 Morris,


At a cost, I wonder how much water it take to drive that tracker on a
daily basis???

Curbie

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