Encyclopedia Astronautica
RJ47


Wright ramjet engine. 44.6 kN. Development ended 1958. Thrust is maximum thrust at cruise altitude. Specific impulse is that at cruise design point. Isp=1200s. Used on Navaho G-38 launch vehicle.

Status: Development ended 1958.
Thrust: 44.60 kN (10,026 lbf).
Specific impulse: 1,200 s.
Burn time: 10,300 s.

More... - Chronology...


Associated Countries
See also
Associated Launch Vehicles
  • Navaho G-38 American intercontinental cruise missile. The intercontinental-range Navaho G-38 was the ultimate development of the German A-9/A-10 concept. At the time the Navaho program was cancelled on 13 July 1957 missiles were in fabrication with first flight test planned by the end of 1958. More...

Associated Manufacturers and Agencies
  • Wright American manufacturer of rocket engines. Wright, USA. More...

Associated Propellants
  • Air/Kerosene Ambient air (78 % nitrogen, 21% oxygen, etc.) is scooped up by air intakes and used in turbojet, turbofan, ramjet, scramjet, or other airbreathing engines. It is used to burn aviation-grade kerosene, commercial grade JP-4 or JP-5, their military equivalents, or special high-temperature blends such as those used in the SR-71. More...

Associated Stages
  • Navaho G-38 Ramjet-powered missile stage. Loaded/empty mass 54,648/14,512 kg. Thrust 89.26 kN. Specific impulse 1200 seconds. Separates from booster at 21,600 m, Mach 3. Mach 3.25 cruise, 10,200 km range, payload 4545 kg in 3.76 m x 1.78 m weapons bay. Empty mass estimated. More...

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