RD-0146
Encyclopedia
The RD-0146 is a Russian cryogenic rocket engine. It is said to be the Russian version of the Pratt & Whitney Rocketdyne
Pratt & Whitney Rocketdyne
Pratt & Whitney Rocketdyne is a United States company that designs and produces rocket engines that use liquid propellants. Pratt & Whitney Rocketdyne, headquartered in Canoga Park, California, is a division of Pratt & Whitney, itself a wholly owned subsidiary of United Technologies Corporation...

 RL10 engine. The RD-0146 engine was developed by KBKhA design bureau in Voronezh
Voronezh
Voronezh is a city in southwestern Russia, the administrative center of Voronezh Oblast. It is located on both sides of the Voronezh River, away from where it flows into the Don. It is an operating center of the Southeastern Railway , as well as the center of the Don Highway...

, Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, in cooperation with the American Pratt & Whitney Rocketdyne
Pratt & Whitney Rocketdyne
Pratt & Whitney Rocketdyne is a United States company that designs and produces rocket engines that use liquid propellants. Pratt & Whitney Rocketdyne, headquartered in Canoga Park, California, is a division of Pratt & Whitney, itself a wholly owned subsidiary of United Technologies Corporation...

 company. In 2009, it came into prominence, as Russian space agency chose it for the second-stage of the Rus-M
Rus-M
Rus-M was a proposed launcher design which was intended to become Russia's main launch vehicle for manned spaceflight after 2018, and an integral part of the Prospective Piloted Transport System which included a new manned spacecraft being developed to replace the Soyuz.Rus-M was being developed by...

 launch vehicle designed to carry the future Russian PPTS
Prospective Piloted Transport System
PPTS , unofficially called Rus, is a project being undertaken by the Russian Federal Space Agency to develop a new-generation manned spacecraft...

 manned spacecraft.

Development

In 1997, Khrunichev
Khrunichev
Khrunichev State Research and Production Space Center is a Moscow-based producer of spacecraft and space-launch systems, including the Proton and Rokot rockets. The company's history dates back to 1916, when an automobile factory was established outside Moscow...

 enterprise, the manufacturer of the Proton rocket, assigned KBKhA to develop a new cryogenic engine with the thrust of 100 kN and equipped with a nozzle extension for the best performance at high altitude. The vehicle was supposed to power the upper stage of the upgraded Proton rocket and the next-generation Angara family of launch vehicles.

In 1999, Khrunichev requested KBKhA to develop RD-0146U version of the engine for Proton and Angara rockets. The development of the engine was partially financed by Pratt & Whitney Rocketdyne
Pratt & Whitney Rocketdyne
Pratt & Whitney Rocketdyne is a United States company that designs and produces rocket engines that use liquid propellants. Pratt & Whitney Rocketdyne, headquartered in Canoga Park, California, is a division of Pratt & Whitney, itself a wholly owned subsidiary of United Technologies Corporation...

. Pratt & Whitney signed a preliminary marketing agreement on April 7, 2000 with Russia’s Chemical Automatics Design Bureau giving Pratt & Whitney exclusive international marketing rights to the RD-0146.

Description

The RD-0146 is the first Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n rocket engine not to feature a gas generator and to be equipped with extendable nozzle
Nozzle
A nozzle is a device designed to control the direction or characteristics of a fluid flow as it exits an enclosed chamber or pipe via an orifice....

extension without a cooling system. The engine is capable of multiple firings and thrust control in two planes. According to the developer, the lack of generator ensures high reliability of the engine for multiple firings.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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