Efficiency of Lightning
to allow some comparison between different kinds of lightning, I will list
the total amount of emitted light (lm) per Watt of electrical energy (W). The
numbers are taken from a catalog of a German bulb manufacturer.
kind of bulb efficiency (lm/W)
(the higher the number, the better)
(light colors 25, 29, 33) 72
(light colors 827, 830,
840, 865) 93
VHO fluorescent 60
75 Watt 56
150, 250 Watt around 70
Simple lights bulbs and halide light bulbs are not listed in the catalog.
Their efficiency is rather bad.
E-mail from: Robert Miehle, 06-Sep-1995