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Douglas D-558-1 Skystreak landing on lakebed Douglas D-558-1 Skystreak landing on lakebed
Photo Number: E-226
Photo Date: 1949
Formats: 510x480 JPEG Image (80 KBytes)
1088x1024 JPEG Image (416 KBytes)
2975x2800 JPEG Image (3,038 KBytes)
Photo
Description:

The Douglas D-558-1 Skystreak is seen close-up in this 1949 photograph. The D-558-1 made its landing approach at about 210 knots and landed at 143 knots. Despite the (then) high landing speed, the pilots found the airplane's landing characteristics to be satisfactory.
Project
Description:		 Conceived in 1945, the D-558-1 Skystreak was designed by the Douglas Aircraft Company for the U.S. Navy Bureau of Aeronautics, in conjunction with the National Advisory Committee for Aeronautics (NACA). The Skystreaks were turojet powered aircraft that took off from the ground under their own power and had straight wings and tails. All three D-558-1 Skystreaks were powered by Allison J35-A-11 turbojet engines producing 5,000 pounds of thrust. All the Skystreaks were initially painted scarlet, which lead to the nickname "crimson test tube." NACA later had the color of the Skystreaks changed to white to improve optical tracking and photography. The Skystreaks carried 634 pounds of instrumentation and were almost ideal first-generation, simple, transonic research airplanes. Much of the research performed by the D-558-1 Skystreaks was quickly overshadowed in the public mind by Chuck Yeager and the X-1 rocketplane. However, the Skystreak performed an important role in aeronautical research by flying for extended periods of time at transonic speeds, which freed the X-1 to fly for limited periods at supersonic speeds.
NASA Photo by: NASA photo
Keywords: D-558-I Aircraft; D-558-1; Douglas Aircraft Company; U.S. Navy Bureau of Aeronautics; NACA Muroc Flight Test Unit; National Advisory Committee for Aeronautics; Skystreak.

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