{TAIL ~ Device} for self adjusting and method for arranging an impulse transmitter in {HEAD ~ relation} to a rotor 
{ TAIL ~ Device } for self adjusting and method for arranging an impulse transmitter in { HEAD ~ relation } to a rotor
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH