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