On August 4, 1960, a flight was made with the X-15 airplane to the maximum speed expected with the interim rocket engines. Fully corrected airspeed measurements showed that the maximum Mach number of 3.1 +/- 0.04 and maximum true airspeed of 2,196 mph +/- 35 were attained at an altitude of 69,600 feet. At Mach numbers greater than 2.0 the pitot-static tube exhibited a negative static-pressure error which resulted in a Mach number correction of -0.18 at the maximum speed.


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    Titel :

    Measurement of the Maximum Speed Attained by the X-15 Airplane Powered with Interim Rocket Engines


    Beteiligte:

    Erscheinungsdatum :

    01.09.1960


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch