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MX-774
LOx/Alcohol rocket stage. 35.00 kN (7,868 lbf) thrust. Mass 1,100 kg (2,425 lb).

Status: Retired 1948. Thrust: 35.00 kN (7,868 lbf). Gross mass: 1,100 kg (2,400 lb). Unfuelled mass: 500 kg (1,100 lb). Burn time: 75 s. Height: 5.70 m (18.70 ft). Diameter: 0.76 m (2.49 ft).

No Engines: 4.



Subtopics

RTV-A-2 American test vehicle. Project MX-774 inaugurated by AAF with Consolidated-Vultee to study rocket capabilities with an ICBM as a final objective. Limited funds permitted a few test launches. These rockets demonstrated technologies that would later be applied to the Atlas.

Country: USA. Propellants: Lox/Alcohol. Agency: Convair.

1948 July 14 - . 01:05 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC33. LV Family: MX-774. Launch Vehicle: RTV-A-2. FAILURE: Cutoff after half of the propellants were used.. Failed Stage: 1.
  • MX-774 Flight 1 - . Nation: USA. Agency: USAF. Apogee: 1.00 km (0.60 mi). First Convair MX-774 (RTV-A-2) test rocket was successfully launched, first demonstrating use of gimballed engines and design features later incorporated in the Atlas ICBM. This was the first of three Convair-sponsored test flights..

1948 September 27 - . Launch Site: White Sands. Launch Complex: White Sands LC33. LV Family: MX-774. Launch Vehicle: RTV-A-2. FAILURE: Cutoff at 16 km altitude.. Failed Stage: 1.
  • MX-774 Flight 2 - . Nation: USA. Agency: USAF. Apogee: 47 km (29 mi). Second Corvair MX-774 test rocket fired. Shut down at 15 km; reached 65 km before malfunction of unknown origin caused self-destruction..

1948 December 2 - . 22:01 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC33. LV Family: MX-774. Launch Vehicle: RTV-A-2. FAILURE: Vibration closed valve early..
  • MX-774 Flight 3 - . Nation: USA. Agency: USAF. Apogee: 50 km (31 mi). Third (last) MX-774 launched, WSPG; shut down at 51 seconds attaining an altitude of 48 km. Self-destructed at high altitude..


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