Precise control of {HEAD ~ the current} during linear motion of {TAIL ~ the reciprocating mechanism} is not necessary during reversal due to the nature of the servo system which saturates during most of the rebound interval 
Precise control of { HEAD ~ the current } during linear motion of { TAIL ~ the reciprocating mechanism } is not necessary during reversal due to the nature of the servo system which saturates during most of the rebound interval
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH