Convertiplane

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FIRST oval ring wing convertiplane Vario Copter™ for high payload long range delivery 2023 PATENTED

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McDonnell XV-1: First Helicopter to Break 200 MPH Speed Record

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FIRST convertiplane Vario Copter™ with double oval ring wing with ZERO wingtip air drag/ vortices

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Endless wing convertiplane/DRONE performed both VTOL and cruise mode by same non tilted props/rotors

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Patent novelty box-wing DRONR convertiplane with same fixed E-rotors for both VTOL and cruise modes

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Vario Copter™ -World patent novelty- oval ring wing QuadPlane convertiplane with ZERO wing tip drag

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TRI COPTER tandem fixed box wings convertiplane with fixed cruise props and retracting vertical t

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With fixed props quasi wing convertiplane DRONE- VARIOCOTER ™performs both VTOL & plane mode- Patent

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Hybrid convertiplane Vario Copter™ with compact twin box-wing powered by 2 rocket motors & 4 props

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Fighter and convertiplane

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McDonnell Convertiplane

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Double OVAL ring wing Vario Copter™ convertiplane VTOL with ZERO WINGTIP DRAG - -NEWLY PATENTED

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Compact tandem fixed box-wings convertiplane 3-copter in VTOL and cruise modes with fixed rotors

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Convertiplane Vario Copter MECHANICAL TILT OF THE PROP SHAFT http://aero-innovation.eu

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FIRST EVER Convertiplane DRONE with 3 oval Solar PV covered wings boosted by 5 rocket thrusters-PATD

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Endless wing convertiplane / DRONE performed both VTOL & cruise mode by same non tilted props rotors

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VTOL/cruise convertiplane with 4 pitching aero paddles

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WORLD PATENT NOVELTY first ever compact oval wing convertiplane DRONE avoided wingtip drag

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Tandem fixed box-wings convertiplane with fixed cruise props and retracting vertical thruster

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World's first convertiplane VarioCopter™ with TRAPEZOID ANNULAR RING WING reduced wingtip vortices

0:09:56

25-Foot Long Propellers - the Bell XV-3 Convertiplane

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Bell XV-3 Convertiplane Promo Film - 1960

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VarioCopter™ is the first convertiplane with aerodynamical tilting oval wing frame quadplane

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FIRST EVER ! Ellipse wing convertiplane with 4 props & side draft tubes for jet engines '23 PATENTED