This page no longer updated from 31 October 2001. Latest version can be found at T-4

Gross Mass: 114,400 kg. Empty Mass: 55,600 kg. Thrust (vac): 64,600 kgf. Isp: 1,980 sec. Burn time: 5,400 sec. Propellants: Air/Kerosene Isp(sl): 1,800 sec. Diameter: 6.4 m. Span: 22.0 m. Length: 44.5 m. Country: Russia. No Engines: 4. RD-36-41 Status: Hardware. Comments: Sukhoi experimental interceptor - delta wing with forward canards. A modification to be used as first stage in Sukhoi proposal for Spiral manned spaceplane project. Maximum release conditions: 25,000 kg at 3,000 kph at 20,000 m altitude.
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Last update 12 March 2001.
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© Mark Wade, 2001 .