Encyclopedia Astronautica
KR



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KR
Russian intercontinental boost-glide missile. The KR (winged rocket) was a three-stage unmanned boost-glide missile developed at the Tupolev's OKB-156. Work began in 1957. Two alternates were considered for the first stage: a conventional liquid rocket or a special manned aircraft launcher. The second stage was a conventional rocket. The final winged stage included a propulsion section and nuclear warhead. The glider would cut-off at an altitude of 50 km and a velocity of 20,000 km/hr. Planned-over target speed was 7,000 km/hr at 30 km altitude. Work on the project continued only about a year before it was abandoned in favour of the more conventional Tu-123 supersonic cruise missile. The KR would have had a gross weight of 240 tonnes, and delivered a payload of 3 to 5 tonnes over a range of 9,000 to 12,000 km.

Status: Study 1957.
Payload: 5,000 kg (11,000 lb).

More... - Chronology...


Associated Countries
See also
  • Soviet Strategic Cruise Missiles As in America, in the 1946 assessments of German military technology, the technical problems of the intercontinental ballistic missile seemed far less than a high-speed cruise missile for the same mission. The Soviet Union developed several such missiles, counterparts to the American Navaho. As in America, it turned out that the ICBM was ready before the cruise missiles were - the navigation and propulsion issues of Mach 3 intercontinental flight were much more difficult than those for Mach 22 ballistic flight. As in America, the projects were cancelled, although they contributed greatly to the national technological base. More...
  • missile Guided self-propelled military weapon (as opposed to rocket, an unguided self-propelled weapon). More...

Associated Manufacturers and Agencies
  • Tupolev Russian manufacturer of rockets and spacecraft. Tupolev Design Bureau, Russia. More...

Bibliography
  • Karpenko, A V, Utkin, A F and Popov,A D, Otechestvenniye strategischeskiye raketnoye kompleks, Sankt-Peterburg: Nevskii bastion; Gangut 1999..

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