The Electra had constant speed engines that were geared down at a 10:1 ratio. So when the turbines are turning at 14,750 rpm, the props are doing 1,475 rpm.
And if I also recall correctly, those engines always turn at 100% RPM, with power settings being torque settings, which effects the prop pitch, not rpm.
I'm pretty sure the default King Air 350 had gauges for both the prop and engine speeds which is what is causing the confusion.
[glow=yellow,2,300]As someone pointed out to me, it was probably due to the pilots of the time refusing to fly a twin with less than 6-levers![/glow]
Well we had to make it look like we were earning our Pay "C"...
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