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Posted by Morris Dovey on April 15, 2009, 2:33 pm
 
Curbie wrote:

I do indeed :) Thank you!

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

Posted by Morris Dovey on April 15, 2009, 4:50 pm
 
Curbie wrote:


I replaced the original file with yours - and that loads a /lot/ faster!

I'm planning to move the (shrunken) video back to the main page this
evening.

Thanks again!

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

Posted by Ecnerwal on April 15, 2009, 1:08 pm
 

Given that you want to avoid electronics, there are mechanical
clockworks to do the job, but clockmakers (mechanical) and farmers
remain fairly far apart in typical approach to problems. I'm fairly sure
I've seen patent drawings of parabolic solar reflectors driven by
clockworks form the 1800's, and telescope clockworks were a big deal for
a long time on a similar problem.

There is always the "have a child tend the thing" method, which strikes
you or I as a waste of the child's time, but might strike the child and
others as better than hauling water by hand...

--
Cats, coffee, chocolate...vices to live by

Posted by Curbie on April 15, 2009, 2:20 pm
 On Wed, 15 Apr 2009 09:08:55 -0400, Ecnerwal


I think I ran into a clockwork solar tracker and I thought the author
was goofing on me so I didn't save the link, I wonder if
non-electrical folks have such a thing?

Quaker, Amish, Mennonites(sp) I remember running into a web-site for
non-electrical folks (wined-up computers?) maybe they would have
something?  

A quick google search kicked up this:
Light seeking and clockwork solar tracker controls
Http://www.theanalogguy.com

Don't see a clockwork solar tracker on his site, but here's his ad
that pointed to his site:
http://nutsvolts.texterity.com/nutsvolts/200503/?pg"

And his site does have contact information.

Curbie


Posted by Morris Dovey on April 15, 2009, 4:04 pm
 Ecnerwal wrote:

I agree - but I think there might be inexpensive thermally-driven
pneumatic and/or hydraulic solution alternatives which would allow
children to use that time more productively...

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

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