{TAIL ~ The gear engagement} is designed to drive the generator at a rotational speed well in {HEAD ~ excess} of the wheel rotation rate 
{ TAIL ~ The gear engagement } is designed to drive the generator at a rotational speed well in { HEAD ~ excess } of the wheel rotation rate
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH