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  2. 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.

  3. DRDO Netra - Wikipedia

    en.wikipedia.org/wiki/DRDO_Netra

    The Netra is a lightweight UAV, manufactured by carbon fiber composites, that uses quadcopters to provide lift and control giving a VTOL capability. It has no moving parts other than the rotors, motors and transmissions, and hence it requires very low maintenance.

  4. Curtiss-Wright X-19 - Wikipedia

    en.wikipedia.org/wiki/Curtiss-Wright_X-19

    The X-19 utilized specially designed radial lift propellers, rather than helicopter-like rotors, for vertical takeoff and augmenting the lift provided by the wing structures. [ 1 ] From the X-100 Curtiss-Wright developed the larger X-200, of which the United States Air Force ordered two prototypes designated the X-19A.

  5. Vertical Aerospace - Wikipedia

    en.wikipedia.org/wiki/Vertical_Aerospace

    Vertical Aerospace says that the VX4 is a piloted, zero emissions electric vertical take off and landing (eVTOL) vehicle with an expected range of over 100 miles (160.9 km), capacity for 4 passengers and a pilot, and runs quieter than a helicopter. [21] The proposed aircraft is intended to operate in and out of cities and other confined locations.

  6. Eurocopter X³ - Wikipedia

    en.wikipedia.org/wiki/Eurocopter_X³

    The Eurocopter X³ (X-Cubed) is a retired experimental high-speed compound helicopter developed by Airbus Helicopters (formerly Eurocopter).A technology demonstration platform for "high-speed, long-range hybrid helicopter" or H³ concept, [1] the X³ achieved 255 knots (472 km/h; 293 mph) in level flight on 7 June 2013, setting an unofficial helicopter speed record.

  7. Just How Worried About Social Security Should You Be Right Now?

    www.aol.com/just-worried-social-security-now...

    If you're feeling uneasy about the future of Social Security right now, you're not alone. A whopping 87% of U.S. adults say they're concerned about the program, according to a 2024 poll from ...

  8. DJI Phantom - Wikipedia

    en.wikipedia.org/wiki/DJI_Phantom

    The drone features an upgraded camera with a 1-ingh CMOS sensor and a mechanical shutter, capable of shooting 4K video at 60 FPS. [45] [46] The drone is capable of processing H.264 video at 60 FPS and H.265 video at 30 FPS. [38] Like the Pro, the Advanced was also offered with a controller with a 5.5-inch screen as the Phantom 4 Advanced+. [45]

  9. Choking emergency? How to do the Heimlich maneuver - AOL

    www.aol.com/choking-emergency-heimlich-maneuver...

    Boy, 8, Saves Choking Friend With Heimlich Maneuver: See The Video. Mass General Brigham, a health care system in Boston, Massachusetts, shared on its website step-by-step guidance on how to ...

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