Fixed wing aircraft having powered rotor VTOL capability with rotor blades stowable during horizontal flight

This invention relates to the field of aircraft and more specifically, to a fixed-wing aircraft having VTOL capability. An apparatus that includes a rotor blade assembly capable of generating vertical lift, one or more propulsion units capable of engaging and disengaging from the rotor blade assembly, an encapsulating housing, and where the encapsulating housing is capable of containing the rotor blade assembly.