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Karem Butterfly

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Development concept eVTOL aircraft with four variable-speed tilting electric rotors. Using Optimum Speed Tiltrotor (OSTR) technology.

Lift typeTilt-rotorSearch for other aircraft programs with these properties on the Aircraft Programs directory page.
Construction typeFactory-built
Control typePiloted
Engine typeElectric
ApplicationBusiness
Information on this page is compiled from a variety of published sources, and links do not necessarily imply recommendation or confirmation by the airframe manufacturer.