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The pilot will use the polar curve information for the particular glider to derive the exact speeds to fly, minimum sink or maximum L/D, depending on the lift and sink conditions in which the glider is flying. A speed to fly ring (known as a 'MacCready Ring'), which is fitted around the aircraft's variometer, will indicate the optimum airspeed ...
Paul Beattie MacCready Jr. (September 25, 1925 – August 28, 2007) was an American aeronautical engineer. He was the founder of AeroVironment and the designer of the human-powered aircraft that won the first Kremer prize. He devoted his life to developing more efficient transportation vehicles that could "do more with less". [1]
Side by side with the rocket-fighter project, was the test program of the Me 262 jet-fighter (under EKdo 262). On 17 April 1943, Späte became the first Luftwaffe pilot to fly the Messerschmitt Me 262 (Werknummer 2620000002—factory number) jet fighter. [15] He was one of a select few pilots to have flown both ground-breaking aircraft. [16]
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]
The MacCready Gossamer Condor is a human-powered aircraft capable of flight as slow as 8 miles per hour (13 km/h). Its successor, the MacCready Gossamer Albatross can fly as slow as 9.23 miles per hour (14.85 km/h). [1] It has a maximum speed of 18 miles per hour (29 km/h). [2]
Paul MacCready Jr. & Peter Lissaman: Kremer Prize for first cross-channel flight, 12 June 1979. Two records set, both superseded: 35.82 km straight distance [8] and 2h 49 min Duration. [9] Gossamer Condor (Pasadena version) USA: 1976: Paul MacCready Jr. & Peter Lissaman: One short hop only, in the car park of the Pasadena Rose Bowl.
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.
Richard Walker (1900–1982) – main designer for jet aircraft of Gloster Aircraft Company; Barnes Wallis (1887–1979) Ken Wallis (1916–2013) – autogyro; Hellmuth Walter (1900–1980) – rocket engines; Frid Wänström (1905–1988) – engineer, head of calculations at Saab; Joseph F. Ware Jr. (1916–2012) – Lockheed engineer and ...