Bud Zirkle's Discussions (6)

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Motor Run Up Test

All,

I'm doing some testing on a new quad and noticed something I don't quite understand.  The log graph below shows throttle input and corresponding ESC outputs.  Quad is on a level surface, no props.  With steady throttle input, motors 1 and 2 (RF a

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Quad motors jump to near full throttle

Gents,

All ESCs have been calibrated and motors run up smoothly with the throttle through the entire range when connected directly to the receiver.  When connected to APM 2.5, motors jump to near full speed with little throttle input.  THR_MIN is set

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