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They both noticed, Pirie by direct argument and Dewing with mathematics, that the solution involved adding the average rate of climb in the thermal to the instantaneous rate of sink being experienced in the glide in order to find the corresponding best speed to fly. [11] Karl Nickel and Paul MacCready published separate articles (in German ...
Paul Beattie MacCready Jr. (September 25, 1925 – August 28, 2007) ... He invented a device that told pilots the best speed to fly a glider, ...
The aircraft was designed and built by a team led by Paul B. MacCready, a noted American aeronautics engineer, designer, and world soaring champion. Gossamer Albatross was his second human-powered aircraft, the first being the Gossamer Condor, which had won the first Kremer prize on August 23, 1977, by completing a 1-mile (1.6 km)-long figure-eight course.
Although slow, cruising at only 11 mph (18 km/h), it achieved that speed with only 0.35 hp (0.26 kW). [20] The second Kremer prize of £100,000 was won on June 12, 1979, again by Paul MacCready, when Bryan Allen flew MacCready's Gossamer Albatross from England to France: a straight distance of 35.82 km (22 miles 453 yards) in 2 hours, 49 minutes.
The MacCready Gossamer Condor was the first human-powered aircraft capable of controlled and sustained flight; as such, it won the Kremer prize in 1977. Its design was led by Paul MacCready of AeroVironment , Inc. [ 1 ]
The first Kremer prize of £50,000 was won on 23 August 1977 by Dr. Paul MacCready when his Gossamer Condor, piloted by Bryan Allen, was the first human-powered aircraft to fly a figure eight around two markers one half mile apart, starting and ending the course at least 10 feet (3.0 m) above the ground. [3]
Paul MacCready - aviation inventor, devised the MacCready Theory on speed to fly [8] Edward Makula - world champion, 7 world records; Jerzy Makula - six time world glider aerobatic champion [9] [10] Peter Masak - U.S. Soaring Team member, developed the first practical winglets for sailplanes; Mike Melvill - Spaceship One test pilot, first ...
Paul MacCready Jr. Two Kremer speed challenges won, doing 1500 m in 163.28 seconds on 18 July 1984 and 143.08 seconds on 2 December 1984. Bird Ornithopter: UK: Ornithopter: Bryn Bird: Two prototypes built, but no record of any flights. Bliesner 1 to 3: USA: 1978: Wayne T. Bliesner: Unsuccessful precursors to Bliesners more successful efforts.