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  2. Bell Boeing Quad TiltRotor - Wikipedia

    en.wikipedia.org/wiki/Bell_Boeing_Quad_TiltRotor

    The conceptual design featured a large tandem wing aircraft with V-22 type engines and 50-foot (15 m) rotors at each of the four wing tips. The C-130-size fuselage would have a 747-inch (19.0 m) cargo bay with a rear loading ramp that could carry 110 paratroopers or 150 standard-seating passengers.

  3. Quadcopter - Wikipedia

    en.wikipedia.org/wiki/Quadcopter

    A quadcopter, also called quadrocopter, or quadrotor [1] is a type of helicopter or multicopter that has four rotors. [ 2 ] Although quadrotor helicopters and convertiplanes have long been flown experimentally, the configuration remained a curiosity until the arrival of the modern unmanned aerial vehicle or drone.

  4. List of tiltrotor aircraft - Wikipedia

    en.wikipedia.org/wiki/List_of_tiltrotor_aircraft

    Bell-Boeing V-22 Osprey, the only crewed tiltrotor in production to date. A tiltrotor is a type of vertical takeoff and landing (VTOL) aircraft that convert from vertical to horizontal flight by rotating propellers or ducted fans from horizontal positions like conventional aircraft propellers to vertical like a helicopter's rotors.

  5. RotorWay - Wikipedia

    en.wikipedia.org/wiki/Rotorway

    In 1974, the company eliminated the 2-cycle engine and, unable to find a manufacturer to make their 4-cycle engine suitable for the helicopter, began production of their own engine. This engine, called the RotorWay RW133 , was a 4-cycle engine that was able to provide a cruise speed of 80 mph (130 km/h) with a range of 120 miles (193 km) and a ...

  6. Rotorcraft - Wikipedia

    en.wikipedia.org/wiki/Rotorcraft

    Rotorcraft generally include aircraft where one or more rotors provide lift throughout the entire flight, such as helicopters, autogyros, and gyrodynes. Compound rotorcraft augment the rotor with additional thrust engines, propellers, or static lifting surfaces. Some types, such as helicopters, are capable of vertical takeoff and landing.

  7. Rotor Flight Dynamics Dominator - Wikipedia

    en.wikipedia.org/wiki/Rotor_Flight_Dynamics...

    Two-seat variant powered by a 115 hp (86 kW) Rotax 914, 115 hp (86 kW) Subaru EA-81 automotive conversion, or similar engine. Four flying by 1998. [2] [3] Rotor Flight Dynamics Dominator UltraWhite A lightweight version of the Dominator without any fairing and powered by a 50 hp (37 kW) Rotax 503 two-stroke. [4] Rotor Flight Dynamics Dominator ...

  8. These Vintage Barbie Dolls Could Be Worth Thousands

    www.aol.com/vintage-barbie-dolls-could-worth...

    Highest listing price on eBay: $16,000 In 1959, Ruth Handler — co-founder of the toy giant Mattel — was watching her daughter, Barbara, play with paper dolls.

  9. Gyrodyne - Wikipedia

    en.wikipedia.org/wiki/Gyrodyne

    a rotary wing aircraft intermediate in type, hereinafter referred to as "gyrodyne", between a rotaplane (with the rotor free for autorotation and an upward total axial flow through the rotor disc), on the one hand, and a pure helicopter (with the rotor driven, and a downward total axial flow through the rotor disc), on the other hand, that is ...