This page no longer updated from 31 October 2001. Latest version can be found at X-30

Family: Winged. Country: USA. Status: Development 1990. Other Designations: National Aerospace Plane. Manufacturer's Designation: Orient Express.

Air-breathing scramjet single stage to orbit. Second attempt after study of similar proposal in early 1960's. Cancelled due to cost, technical challenges.


Liftoff Thrust: 140,000 kgf. Total Mass: 140,000 kg. Core Diameter: 16.0 m. Total Length: 96.0 m. Development Cost $: 3,000.00 million. in 1985 average dollars.


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Last update 12 March 2001.
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