UPPER AIR ROCKET SUMMARY                                                                       V-2
                                                                                                                           NO. 11
IDENTIFICATION                                                                               22 August 1946

    Agency: Air Research and Development Command
    Time: 1015 MST
    Altitude: 330 miles

UPPER AIR INSTRUMENTS

    Pressure-temperature: Ion type gage to measure stagnation pressure on head of truncated
        cone. Four ion type gages to measure pressure on cone surface (Mich. U.)
    Ionosphere: Ion density measurements with programmed bi-polar probes (Mich. U.),
        Incidence ionosphere propagation experiment (AFCRC)
    Other: Daylight sky brightness by phototubes with wide-band filters (AFCRC),
        Atmosphere temperature and density in the ionosphere with ionization gages in nose
        piece. (Mich. U.)

DATA RECOVERY INSTRUMENTS

    Telemeter: NRL 23 channel NRL PPM/AM system.

BALLISTIC INSTRUMENTS

    Firing Range
        Theodolites: Two Mitchell and four Askania stations
        Cameras: Three Bowen-Knapp stations
        Telescopes: One station
        Radar: Modified SCR-584 S-Band stations
        Doppler: Four stations.

    Airborne
        Beacon: AN/APN-55 (XE-2), S-Band transponder
        Doppler: DOVAP transceiver
        Radio Cutoff: AN/ARW-17. FM control receiver for command fuel cutoff.
        Other: Routine rocket performance instruments (G. E. Co.)

ROCKET PERFORMANCE

    Complete failure of control system shortly after takeoff and fuel cutoff by radio command
        at 6.5 sec. Maximum altitude, 330 ft. Flight duration of 11 sec.

BALLISTIC DATA

    Complete record of data from all sources except telescope.

DATA RECOVERY

    Telemeter: Complete records for duration of flight.

EXPERIMENTAL DATA

    All equipment apparently functioning normally, no data because of rocket failure.

REPORTS AND PAPERS

    WSPG preliminary Firing Report of A-4 Rocket No. 11 fired 22 August 1946.
    "V-2 Report No. 6," Minutes of meeting of the V-2 Upper Atmosphere Research Panel on
        5 September 1946.
    "Atmosphere Pressure and Temperature Measurements Between the Altitudes of 40 and
        110 Kilometers," Upper Air Research Report No. 2, by Engineering Research Institute,
        University of Michigan, July 1948.
    Air Materiel Command, Cambridge Field Station, "Upper Air Research Program," Report
        No. 1, September 1947.
    University of Michigan, Bi-Polar Probe Experiment: Phy. Rev. 767, p. 987, 1949.
    "Final Report, Project Hermes V-2 Missile Program," by L. D. White, Report No.
        R52A0510, General Electric Company, September 1952.

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