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  2. ADI Bumble Bee - Wikipedia

    en.wikipedia.org/wiki/ADI_Bumble_Bee

    Data from Bumble Bee Performance and Stress Analysis General characteristics Crew: 1 Length: 10 ft (3.0 m) Height: 7 ft 6 in (2.29 m) Empty weight: 213 lb (97 kg) Gross weight: 500 lb (227 kg) Powerplant: 1 × Rotax 447 2-cylinder air-cooled 2-stroke in-line piston engine, 40 hp (30 kW) Main rotor diameter: 23 ft (7.0 m) Propellers: 2-bladed fixed-pitch propeller Performance Maximum speed: 49 ...

  3. Guide number - Wikipedia

    en.wikipedia.org/wiki/Guide_number

    Guide number distances are always measured from the flash device to the subject; if the flash device is detached from the camera, the position of the camera is irrelevant. Furthermore, unless a flash device has an automatic zoom feature that follows the setting of a camera's zoom lens, guide numbers do not vary with the focal length of lenses.

  4. Gyro-Kopp-Ters Twin Eagle - Wikipedia

    en.wikipedia.org/wiki/Gyro-Kopp-Ters_Twin_Eagle

    The Gyro-Kopp-Ters Twin Eagle is an American autogyro, designed by Bob and Arden Kopp and produced by their company, Gyro-Kopp-Ters of Lake City, Florida. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.

  5. Gyro-Kopp-Ters Midnight Hawk - Wikipedia

    en.wikipedia.org/wiki/Gyro-Kopp-Ters_Midnight_Hawk

    The Gyro-Kopp-Ters Midnight Hawk is an American autogyro, designed by Bob and Arden Kopp and produced by their company, Gyro-Kopp-Ters of Lake City, Florida. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.

  6. Flywheel energy storage - Wikipedia

    en.wikipedia.org/wiki/Flywheel_energy_storage

    NASA G2 flywheel. Flywheel energy storage (FES) works by accelerating a rotor to a very high speed and maintaining the energy in the system as rotational energy.When energy is extracted from the system, the flywheel's rotational speed is reduced as a consequence of the principle of conservation of energy; adding energy to the system correspondingly results in an increase in the speed of the ...

  7. Fire Phone - Wikipedia

    en.wikipedia.org/wiki/Fire_Phone

    Its front features the screen and a rounded rectangular home button below the display. The back, made of the same Gorilla Glass, houses the camera, LED flash, and secondary microphone. The sides of the phone are made of a soft touch plastic. On the top of the phone there is a lock/power button and a 3.5 mm jack for headphones.

  8. Lithium-ion battery - Wikipedia

    en.wikipedia.org/wiki/Lithium-ion_battery

    A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.

  9. Pixel 8 - Wikipedia

    en.wikipedia.org/wiki/Pixel_8

    The Pixel 8 and Pixel 8 Pro are visually similar to the Pixel 7 and Pixel 7 Pro, respectively, [13] with minor refinements such as a flatter screen, more rounded corners, and softer edges.