A replaceable unit in accordance 26, wherein the integral rotor has {TAIL ~ a ring shaped rotor disc} in which {HEAD ~ electromagnetically active components} of the integral rotor are accommodated and to which rotor blades are fastened 
in are accommodated
A replaceable unit in accordance 26 , wherein the integral rotor has { TAIL ~ a ring shaped rotor disc } in which { HEAD ~ electromagnetically active components } of the integral rotor are accommodated and to which rotor blades are fastened
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL OTH OTH OTH OTH OTH OTH OTH