> > > an oscillation of up to 5 horsepower in either direction (10hp
> swing).
> 
> > At 1kHz ? Wow, that's some kind of switching response
> 
> I thought the way most ADCs worked was to lock the signal at a
> certain time, and then successive approximation it.  So, it could
> lock the signal at any point in the ripple, in theory, right?

Yes, 1kHz is no problem for ADC sampling, but the inference I
took was that the ECU could make the motor's output go up or
down by 5hp @ 1kHz. Even if it could direct the motor to do this,
surely mechanical inertia would prevent it happening

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