AERONAUTICAL ENGINEERING
X-15 Rolls Out; Capability for Mach 7 Is Visualized
Inglewood, Calif.—North American Aviation’s X-15, hypersonic research aircraft which will probe the approaches to true manned space flight was rolled out here last week, two weeks ahead of the date which was scheduled three vears ago. Generally attributed with a capability of 100-mi.-altitude, and 3,600 mph.
By Irving Stone7 min