Forming {HEAD ~ the interpole wedge} 502 with the passage 516 reduces {TAIL ~ the overall weight} of the interpole wedge 502 when compared with a solid wedge, thus reducing the overall centrifugal loading on the rotor 132 
reduces
Forming { HEAD ~ the interpole wedge } 502 with the passage 516 reduces { TAIL ~ the overall weight } of the interpole wedge 502 when compared with a solid wedge , thus reducing the overall centrifugal loading on the rotor 132
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL 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 OTH