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CAPTURED GERMAN V-2 ROCKET (NUMBER 33) SEPT 2,1948

UPPER AIR ROCKET SUMMARY V-2 NO. 33 IDENTIFICATION 2 September 1948 Time of firing: 1800 MST Agency: University of Michigan for SCEL Altitude: 93.6 miles UPPER AIR INSTRUMENTS Density-pressure-temperature: SCEL sound grenades. Shock wave angle measure- ment for temperature. Ram and cone surface pressure gages for temperature. Composition: Two evacuated air-sampling bottles with associated timer and pyro- technic opening and sealing devices DATA RECOVERY INSTRUMENTS Telemeter: PXTA-501, 23-channel PPM-AM system Physical recovery: Warhead control compartment separation by TNT BALLISTIC INSTRUMENTS Firing Range Theodolites: Two Mitchell and seven Askania stations Cameras: Two ballistic and three Bowen-Knapp stations Telescopes: Four stations Radar: One modified SCR-584 S-band station Airborne Beacon: AN/APN-55 S-band transponder Radio Cutoff: AN/DRW-37 FM control receiver for command blowoff and cutoff Aspect: Three Giannini heliograph cameras Other: Routine rocket propulsion and control performance instrumentation (G. E.) ROCKET INFORMATION Payload weight: 2535 lb Unfueled rocket weight: 8422 lb Takeoff weight: 27,840 lb Flight duration: 600 sec estimated ROCKET PERFORMANCE Program angle: Seven degrees North Time to burnout: 65.3 sec Velocity at burnout: 4800 ft/sec Altitude at burnout: 123,200 ft Time to zenith: 225 sec Altitude at zenith: 93.6 miles Time to tail blowoff: 370 sec Altitude at tail blowoff: 276,000 ft Impact coordinates: Main body - 39.5 mi. north, 2.9 mi. west of launcher; warhead 40 mi. north, 3.5 mi. west of launcher BALLISTIC DATA Theodolites: Askania trajectory data form 1.6 to 69.6 sec Radar: Trajectory data from 0 to 369.5 sec DATA RECOVERY Telemeter: Data from 0 to 18 sec, and from 50.5 to 52.5 sec; none thereafter Physical recovery: Two air-sampling bottles recovered. Three heliographs in excellent condition. EXPERIMENTAL DATA Upper air composition: No data No air samples - one bottle seal ruptured at impact, opener failed on other bottle Because of the telemeter failure no information was obtained from the shock wave angle experiment or the cone pressure experiment COMMENTS Rocket modifications: Four Pirani gages mounted on extension rods were placed at 90-degree intervals, eight in. from the longitudinal axis of a 40-degree right circular cone. The rods were driven through an excursion of 8 in. with a period of about 3 sec in a direction parallel to the cone axis so as to intercept the shock wave. An opening for the ram-pressure Pirini gage was placed in the tip of the cone and four openings for cone side-pressure gages were placed at 90-degree intervals on the cone surface The holes for the grenades were located radially in the base of the warhead Rocket performance: Excellent I SHIP WORLDWIDE---I SHIP WORLDWIDE -I SHIP WORLDWIDE---I SHIP WORLDWIDE +++++++++++++++++++++++Combining Lots between two auctions, I will be happy to combine two auctions To save you additional postage- Please pay for these lot/lots & postage. If you are successful in the second auction I will bill you for the additional lot, With no additional postage charges. If you do not win any lots in the second auction, I can just ship the lot to you And not have to bill you again, and wait for payment Thank You Sean Marsar