Just as a point of interest on color and heat.
In a glass covered solar heater using Forest Green as the color on the
heating element, if the water flow stops, I believe the resting temperature
of the element will be around 340 to 380 F.
I've seen bare aluminum plate 4' X 8' X 1" think (that's heavy!) that had
been left laying on the pavement in front of the shop where I used to work
get so hot that a cup of water thrown on it would hiss as it turned into
steam. It was like throwing water onto a hot frying pan.
Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
www.rogerhalstead.com
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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