As the shaft deflects as {HEAD ~ the draft} varies {TAIL ~ the magnet} will be shifted towards and away from the sensor causing a voltage variation in line  
varies
As the shaft deflects as { HEAD ~ the draft } varies { TAIL ~ the magnet } will be shifted towards and away from the sensor causing a voltage variation in line
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH