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2. Human-powered helicopter - Wikipedia

   en.wikipedia.org/wiki/Human-powered_helicopter

   The American Helicopter Society (AHS) International's Igor I. Sikorsky Human Powered Helicopter Competition was a competition to achieve the first human-powered helicopter flight to reach an altitude of 3 m (10 ft) during a flight lasting at least 60 seconds, while remaining within a 10 m (32.8 ft) x 10 m (32.8 ft) square, and complying with other competition requirements. [1]

3. Igor I. Sikorsky Human Powered Helicopter Competition

   en.wikipedia.org/wiki/Igor_I._Sikorsky_Human...

   The Igor I. Sikorsky Human Powered Helicopter Competition was established in 1980 by the American Helicopter Society (AHS) International. The award, the AHS Sikorsky Prize, was given for the first human powered helicopter (HPH) to meet a set of extremely challenging flight requirements. In summary, the requirements to win the AHS Sikorsky Prize ...

4. List of human-powered aircraft - Wikipedia

   en.wikipedia.org/wiki/List_of_human-powered_aircraft

   Chris Roper's online book Human Powered Flying; Prop designer [permanent dead link ‍] Vélair – Yuri human-powered helicopter – YouTube video – human-powered ornithopter – Snowbird – video of first flight for the Snowbird – Gamera human-powered helicopter; de:HV-1 Mufli – Snowbird – Coolthrust Japan

5. The World’s First Hydrogen-Powered Helicopter Could Hit the ...

   www.aol.com/news/world-first-hydrogen-powered...

   Piasecki Aircraft Corp. is adding a fuel cell to a small, two-seat rotorcraft to create the world's first helicopter to run on hydrogen. The World’s First Hydrogen-Powered Helicopter Could Hit ...

6. Human-powered aircraft - Wikipedia

   en.wikipedia.org/wiki/Human-powered_aircraft

   A human-powered aircraft (HPA) is an aircraft belonging to the class of vehicles known as human-powered transport.. As its name suggests, HPAs have the pilot not only steer, but power the aircraft (usually propeller-driven) by means of a system similar to a bicycle or tricycle: a pair of pedals, moved by the pilot's feet that turns a gear, which then moves a bicycle chain, which then rotates a ...

7. Engineers designed a human-powered helicopter - AOL

   www.aol.com/news/engineers-designed-human...

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8. Ingenuity (helicopter) - Wikipedia

   en.wikipedia.org/wiki/Ingenuity_(helicopter)

   Ingenuity, nicknamed Ginny, is an autonomous NASA helicopter that operated on Mars from 2021 to 2024 as part of the Mars 2020 mission. Ingenuity made its first flight on 19 April 2021, demonstrating that flight is possible in the extremely thin atmosphere of Mars, and becoming the first aircraft to conduct a powered and controlled extra-terrestrial flight.

9. AeroVelo Atlas - Wikipedia

   en.wikipedia.org/wiki/AeroVelo_Atlas

   AHS Sikorsky Prize-winning flight of AeroVelo's Atlas human-powered helicopter. The AeroVelo Atlas is a human-powered helicopter (HPH) that was built for AHS International's Igor I. Sikorsky Human Powered Helicopter Competition. On 13 June 2013, it became the first aircraft to achieve the goals of the competition and thus won the prize.