P3O1W4E1R1B3A1N1D2
17 points
POWERBAND is validvalid
a range of ideal engine speeds [n POWERBANDS]
the range of operating speeds under which an engine or motor is able to operate efficiently [n -S]
a range of ideal engine speeds [n POWERBANDS]
the range of operating speeds under which an engine or motor is able to operate efficiently [n -S]