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Réf : S05125
Thème :
Aviation - Avions NASA-Prototypes (1538 images)
Titre : X-4 with Pilot Joe Walker, Preflight Briefing
Description : (La description de cette image n'existe qu'en anglais)
In this 1952 photograph NACA test pilot Joe Walker (on left) is seen discussing tests points to be flown on the X-4 aircraft with NACA research engineer Donald Bellman. The X-4 Bantam, a single-place, low swept-wing, semi-tailless aircraft, was designed and built by Northrop Aircraft, Inc. It had no horizontal tail surfaces and its mission was to obtain in-flight data on the stability and control of semi-tailless aircraft at high subsonic speeds.
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