ORIGINAL: AltaTed
I developed and manufactured electric motors for over 40 years. Something most don't know or think about is the types of motors we use in electric powered planes. They are constant torque devices capable of putting out maximum torque even below 1 RPM. Thats opposite the power curve of an internal combustion engine where they must be running at full speed to produce torques the electric motors put out at any speed. The slicing power at any speed is awsome so beware and be sure you observe safety proceedures as provided before in this discussion. They are silent and may not even be noticed they are on, ready to run and it's instant power....
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This is what has always made me nervous about electric planes. They have instant power with no warning. I never mess with my electric planes with the props on. The APC E-props are razor sharp (learned that the hard way) so they go back in the prop drawer when the e models need some work.