Quote:
Originally Posted by Ether
Although I doubt you'll be running them at max power for any length of time (at least I hope not), let's do some numbers anyway just for grins:
at max power of 251 watts, the 550-12 generates 267 watts of waste heat.
at the same power output of 251 watts, the 775-18 generates only 141 watts of waste heat.
the mass of the 550-12 is 218 grams. the mass of the 775-18 is 337 grams.
the ratio of waste heat to mass is therefore
550-12: 267/218 = 1.22
775-18: 141/337 = 0.42
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Yep, these are going somewhere where they're seeing mostly intermittent duty (not at max power when free wheeling, probably powering shooter down when collecting balls), so we aren't concerned about the heat. But it's interesting to see that comparison.