NASA Langley tested versions of the X-43 engine before it established the Guinness World record for fastest air breathing hypersonic vehicle – reaching a speed of almost Mach 10.
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Characteristics
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Data Acquisition
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Speed: Mach 3, 4, 5, and 6.5
Reynolds Number: 0.44 – 5.09 x 106 per ft. [Mach dependent]
Pressure: 50-3,500 lbs. per sq. in. [Mach dependent]
Temperature: 1,180 – 3,190°F [Mach dependent]
Test Gases: Ambient atmosphere / methane mix
Test Section Size: 8-foot diameter
Length: 12 feet
8-Foot High Temperature Tunnel Fact Sheet
