Encyclopedia Astronautica
XRJ47-W-5


Wright ramjet engine. 33.4 kN. Out of production. Thrust is maximum thrust at cruise altitude. Specific impulse is that at cruise design point. Isp=1200s. Used on Navaho G-26 launch vehicle. First flight 1956.

Status: Out of production.
Thrust: 33.40 kN (7,509 lbf).
Specific impulse: 1,200 s.
Burn time: 6,500 s.
Number: 22 .

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Associated Countries
See also
Associated Launch Vehicles
  • Navaho G-26 American intermediate range cruise missile. The Navaho G-26 was a 2/3 scale test version of the operational Navaho G-38. The Navaho program was cancelled on 13 July 1957, but already-built G-26 test missiles were flown to 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-26 Mach 3 ramjet test vehicle. Loaded/empty mass 29,478/9,977 kg. Thrust 66.70 kN. Specific impulse 1200 seconds. Separates from booster at 14,600 m, Mach 3. Mach 2.75 cruise, 5,600 km range, payload 2500 kg in 2.59 m x 1.50 m compartment. More...

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