Space radiator
from HTYP, the free directory anyone can edit if they can prove to me that they're not a spambot
The below graph shows part of a spread sheet that calculates the sum of radiation area and collector area for a 75% efficient Carnot engine running between 1400 deg K and the radiator temperature on the X axis of the graph. The number must be multiplied by two for kW on the ground after a 50% transmission loss.

