Code One Magazine: The X Planes, X-7

X-7
Mission: The X-7 was designed to serve as a high-performance ramjet engine testbed. It was capable of accommodating a variety of engines across a very wide performance envelope. Marquardt manufactured most of the engines tested. The flight test program spanned nine years.

Manufacturer: Lockheed Missiles & Space Company
Number Built: at least 28
Sponsor: USAF, USA, USN
Fastest Flight: 4.31 Mach (2,881 mph)
Highest Flight: 106,000 feet
First Flight: 26 April 1951
Last Flight: 20 July 1960
Total Flights: 130
Length: 32 feet 9 inches (-A-1)
Wingspan: 12 feet 0 inches (-A-1)
Height: 7 feet 0 inches (-A-1)
Gross Weight: 8,300 lb (-A-1)

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