What is Kholod?
[[File:Kholod.jpg|thumb|right|250px|{{Center|[[Prototype]] of the Kholod [[rocket]]}}]] '''Kholod''' (Холод) is the name of a [[rocket]] [[project]]. This project was developed in [[Russia]]. The engine of the rocket is called a [[scramjet]]. It was created to be faster than [[Mach number|Mach]] 5.75. The prototype includes a [[Soyuz TMKB]] with [[liquid hydrogen]] and modified fillings from the [[SA-5 Gammon]] rockets. The rocket with the starting blocks (complete laboratory) is 12 meters long and has 750mm in diameter.<ref>[http://www.russianspaceweb.com/kholod.html Hot breath of Kholod, RussianSpaceWeb.com, 02/ 16/ 2014]</ref><ref> Roudakov, A.S., Y. Schickhman, V. Semenov, Ph. Novelli, and O. Fourt, “Flight Testing an Axisymmetric Scramjet: Russian Recent Advances,” 44th Congress of the International Astronautical Federation, Oct. 16-22, 1993, Graz, Austria</ref> NASA cooperated on the fourth flight in February 12, 1998. The speed of that flight was Mach 6.4. 95 [[million]] [[United States dollar]]s were invested in this project.<ref>[http://www.gizmag.com/kholod-rocket-auction/33015/ For sale: The fastest machine ever flown within the Earth’s atmosphere, GizMaq.com, 06/ 18/ 2014][http://xplanes.free.fr/stato/stato-17.html xPlanes, Jet Engines Saga - XVII. Speed records] </ref><ref>[http://zeenews.india.com/news/space/supersonic-hfl-kholod-mach-647-scramjet-to-go-up-for-auction_949585.html Supersonic HFL Kholod scramjet Mach 6.47 to go up for auction, 06/ 23/ 2014]</ref><ref>[http://www.siliconrepublic.com/innovation/item/37722-supersonic-scramjet-to-go-u Supersonic scramjet to go up for auction in London]</ref> ==References== {{reflist}} {{tech-stub}} [[Category:Spacecraft]]