Encyclopedia Astronautica
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.

Cost $ : 12.000 million. No Engines: 2. Release velocity: 960 m/s (3,140 ft/sec). Release altitude: 24 m (78 ft). Release conditions: 3,670 kph at 24 km.

AKA: XB-64A; XSM-64A.
Location: 960.
Status: Development ended 1958.
Gross mass: 54,648 kg (120,478 lb).
Unfuelled mass: 14,512 kg (31,993 lb).
Payload: 4,550 kg (10,030 lb).
Height: 26.61 m (87.30 ft).
Diameter: 1.98 m (6.49 ft).
Span: 12.25 m (40.19 ft).
Thrust: 89.26 kN (20,066 lbf).
Specific impulse: 1,200 s.
Burn time: 10,300 s.
Number: 8 .

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Associated Countries
Associated Engines
  • 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. More...

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 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...

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