ELECTRIC DRIVE SYSTEM LINE REPLACEABLE UNIT WITH INTEGRATED THERMAL COOLING

One embodiment is an electric drive system (500) for an aircraft (100) comprising: at least one motor (602); at least one gear box (605) associated with the at least one motor (602); a cooling fan (612) for drawing air into the electric drive system (500) across an electronic component (608) of the electric drive system (500) to cool the electronic component (608) and for expelling air into an oil cooler (614) for cooling oil contained therein; an oil distribution system for distributing oil cooled by the oil cooler (614) to at least one motor (602) and at least one gearbox (605), wherein the distributed oil is used to cool the at least one motor (602) and the at least one gearbox (605); a reservoir (610) for collecting the distributed oil after it has been used to cool the at least one motor (602) and the at least one gearbox (605); at least one structural element (504) for retaining the at least one motor (602), the at least one gearbox (605), the cooling fan (612), the oil distribution system, and the reservoir (610) together as a unit; and a collective actuator (616) for controlling a collective pitch of rotor blades connected to the rotor shaft (604).