[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]

RE: Black & White Question





> It gets very hot here so I'm not sure about using white
> paint, ... the temp
> was 42C two weeks ago on the roof, ... the white may reflect
> too much into
> the preamp, .... then again black paint may absorb too much
> heat and warp,
> .... so anyone got any ideas on this for a colour that best
> suits a hot
> clime? I'm not an expert in thermal stuff as you can tell!

Paul -- in the professional world, we use Titanium dioxide white. To
keep the shape of the dish "pure", you want to minimize the thermal
gradients. The only time you might be concerned with frying the preamp
is if you point directly at the sun and the dish surface is shiny.

73 de Tom, W3IWI

----
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org



AMSAT Top AMSAT Home