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13-422: P50 , P-50 , or P.50 may refer to: Aircraft [ edit ] Grumman XP-50 , an American twin-engine heavy fighter prototype of 1941 Percival P.50 Prince , a late 1940s British light transport aircraft Piaggio P.50 , an Italian heavy bomber prototype of 1937-1938 Pottier P.50 , a French racing aircraft developed in the late 1970s PZL.50 Jastrząb ,

26-564: A Polish fighter of the late 1930s Automobiles [ edit ] Honda P50 , a Japanese moped Peel P50 , a Manx three-wheeled microcar Trabant P 50 , an East German small car Mathematics and science [ edit ] P50 (neuroscience) , an auditory event-related potential recorded using EEG P50 (pressure) , the partial pressure of a gas required to achieve 50% enzyme saturation ASCC1 , activating signal cointegrator 1 complex subunit 1 Median , or fiftieth percentile Other uses [ edit ] Huawei P50 ,

39-533: A smartphone INS  Sukanya  (P50) , a patrol vessel of the Indian Navy Kel-Tec P50 , a semi-automatic pistol Papyrus 50 , a New Testament manuscript Pauza P-50 , a sniper rifle P50, a state regional road in Latvia See also [ edit ] 50P (disambiguation) [REDACTED] Topics referred to by the same term This disambiguation page lists articles associated with

52-547: The 1932 National Air Races, finished sixth at a speed of 215.5 mph. Afterwards there was speculation that its experimental Hamilton Standard propeller prevented the Wasp engine from running at full power. Hall was so disappointed with its performance that he dismantled and scrapped the plane after that race. He also designed the Cicada racer, which was scheduled to race at the 1932 National Air Races by owner Frank Lynch but did not start

65-764: The National Air Races of 1931. On September 5, Hall flew the Gee Bee Z to victory in the General Tire and Rubber Trophy race. Lowell Bayles flew the aircraft the next day to victory in the free-for-all event. Hall left the Granville Brothers in 1927 to form The Springfield Aircraft Co and moved operations to the Bowles Agawam Airport . There he designed the Bulldog racing aircraft, which he went on to race at

78-636: The U.S. Navy considered Grumman one of its major production sources and that producing two different model aircraft by Grumman would impede manufacture of aircraft types the U.S. Navy needed, it was decided that development of the XF7F-1 would continue, and the XP-65 as a parallel development was abandoned. General characteristics Performance Armament Related development Aircraft of comparable role, configuration, and era Robert Hall (aircraft designer) Robert L. Hall (1906–1991)

91-607: The XP-50 prototype (39-2517) was lost on 14 May 1941, falling victim to a turbo-supercharger explosion that destroyed the aircraft. The test pilot Robert Hall bailed out while the XP-50 plunged into Smithtown Bay in Long Island Sound. Based upon experience with the XF5F-1 and the XP-50, Grumman had begun work on a more advanced fighter, designated model G-51. Thus, the USAAC decided to replace

104-461: The XP-50 with the newer design and recommended procurement of two G-51s, designated XP-65 , using the original XP-50 expenditure order to cover the development. Consideration was given to combining the Air Corps and Navy requirements into a common design, but the weight and performance penalties inherent in conflicting requirements were considered great enough that separate designs would be needed. Since

117-504: The XP-50, it experienced an inflight turbocharger explosion while over Long Island Sound. Hall was forced to parachute to safety. As Grumman's chief engineer and vice president, he was instrumental in the design of the F9F Panther , F9F Cougar , F10F Jaguar and F11F Tiger jet fighters and the Gulfstream I executive aircraft. He retired from Grumman in 1970. The Hall Bulldog Project is

130-471: The builder, Grumman , the design was entered into competition alongside proposals from Bell, Brewster, Curtiss, Lockheed, and Vought. The XP-50 design was similar to that of the XF5F-1 with modifications to the fuselage nose to house the nose-wheel of the tricycle landing gear and provisions for self-sealing fuel tanks and pilot armor. The planned armament was two 20 mm (.79 in) cannon and two .50 in (12.7 mm) machine guns. During testing,

143-761: The race due to engine problems. Robert Hall later joined Grumman, where he helped design and test a series of planes that proved a major force during World War II. Serving as Chief Engineer and lead flight test pilot, he helped design and made the first flights of the F4F Wildcat , the G-21 Goose in 1937, the XP-50 in 1941, the F6F Hellcat in 1942, the F7F Tigercat in 1943 and the F8F Bearcat in 1944. On May 14, 1941 while flying

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156-545: The same title formed as a letter–number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=P50&oldid=1159511404 " Category : Letter–number combination disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Grumman XP-50 First assigned Design 34 , later G-41 by

169-709: Was an American Air racing pilot and aircraft designer. Robert Leicester Hall was born in Taunton, Massachusetts 1905. After graduating in 1927 from the University of Michigan, with a degree in Mechanical Engineering, he joined the Granville Brothers Aircraft , where he was the chief engineer. He designed the Gee Bee Model Z racer, the "City of Springfield," which swept the competition in every contest in

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