P-51 Mustang
by David Bearden
Title
P-51 Mustang
Artist
David Bearden
Medium
Photograph
Description
In 1939, with the shadows of World War II covering Europe, the British Royal Air Force began looking for a new plane to increase its fighter strength. The RAF approached North American Aviation with a request to build Curtiss P-40s. North American responded with an offer to build a completely new fighter incorporating the latest aerodynamic refinements and using the same Allison engine as the P-40. This marked the birth of the North American Mustang.
The prototype, designated NA-73, was assembled just 102 days after the contract was signed. Delays with the engine meant that the first flight took place about six weeks later, on October 26, 1940. While the NA-73 was being designed, the U.S. Army requested two airplanes for evaluation purposes which were designated XP-51, the XP meaning Experimental Pursuit. The British dubbed their new fighter the Mustang Mk.1 and, after producing a small number of A-36 Apache dive bombers, the U.S. adopted the name Mustang as well.
The P-51 was immediately recognized for superb performance at low altitudes. Tests revealed, however, a lack of performance at high altitudes that severely restricted the airplaneās use for escort and interception work. A Rolls-Royce test pilot, Ronald Harker, was among the first to conclude that what the Mustang needed to realize its full potential was the Merlin engine. During the winter of 1942-43, Rolls Royce pilots test flew the Mustang Mk.X and sent their data back to North American, which became the basis for production of Merlin Mustangs, designated P-51B. Luxury automobile manufacturer Packard was licensed to build the Merlin engine in the United States.
The Merlin proved to be a tremendous success, and evolution of the Mustang continued through the B and C models, followed by the major redesign which became the now iconic P-51D with its signature teardrop canopy. A total of more than 15,000 Mustangs were built, and are considered by many to be among the best propeller-driven fighters in history.
The P-51 was one of the first fighters to use a laminar-flow airfoil, which became standard on most later, high performance fighters. This wing design, along with the low drag airframe, resulted in very high speeds. In addition, a large fuel capacity, coupled with external fuel tanks, allowed the Mustang a range of more than 2,000 miles, making it possible to escort bombers all the way from England to Germany
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July 31st, 2017
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