In reply to David Roberson's message of Mon, 4 Feb 2013 23:29:27 -0500 (EST): Hi, [snip] >Even if they spin, the reflection from the painted side would generate a net >force away from the sun's location. This assumes your paint is more >reflective than the raw untreated surface.
True, however I don't see the sense in painting only one side white. Why not the whole thing? Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html