Airbreathing Slush LH2 propellant rocket stage. Loaded/empty mass 90,000/40,000 kg. Thrust 882.00 kN. Specific impulse 1550 seconds. Aerospaceplane to compete with American X-30. Single stage to orbit, scramjet air breather. Tupolev assigned to start work in 1993. Mockup built, and some subscale flights to Mach 6 on tactical missiles of scramjet model, but project now dormant due to lack of funds. Wing area 160 square meters, wing sweep 70 degrees. Two crew.
AKA: EAP - Experimental Aerospace Plane..
More... - Chronology...
Status: Development ended 1992.
Gross mass: 90,000 kg (198,000 lb).
Unfuelled mass: 40,000 kg (88,000 lb).
Height: 60.00 m (196.00 ft).
Diameter: 13.00 m (42.00 ft).
Span: 14.00 m (45.00 ft).
Thrust: 882.00 kN (198,281 lbf).
Specific impulse: 1,550 s.
Specific impulse sea level: 1,550 s.
Burn time: 860 s.
Scramjet Scramjet engine for X-30 SSTO. 1372.9 kN. Development ended 1992. Thrust is maximum sea level thrust; specific impulse is average during ascent. Isp=1550s. Propellant Slush LH2. More...
Associated Launch Vehicles
Tu-2000 Russian winged orbital launch vehicle. This Soviet equivalent to the US X-30 single-stage-to-orbit scramjet aerospaceplane began development in1986. Three versions were planned: a Mach 6 test vehicle, under construction at cancellation of the program in 1992; a Mach 6 intercontinental bomber; and a single-stage-to-orbit launch vehicle. More...
Air/Slush LH2 Ambient air (78 % nitrogen, 21% oxygen, etc.) is scooped up by air intakes and used in turbojet, turbofan, ramjet, scramjet, or other airbreathing engines as an oxidiser. Slush hydrogen is formed by taking liquid hydrogen down to nearly the melting point. This produces a partly-solidified but still mobile version of the fuel with 20% greater density than liquid hydrogen itself. Proposed for use from the 1980's in air-breathing and rocket-powered single-stage-to-orbit vehicles where maximization of fuel weight to empty weight is absolutely essential. More...
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