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MIL OSI Translation. Region: Russia –

Source: Russia Federal Space

# NPO Lavochkina # Main # History 02/10/2020 09: 0020 years of Frigate’s successful work The process of creating a new generation of booster blocks began in the early 90s at NPO Lavochkina (part of Roscosmos State Corporation). The new Frigate booster unit was to increase the masses of payloads launched by launch vehicles into various orbits, increase the launch accuracy, expand the list of orbits available for launch vehicles, and ensure high reliability from the very beginning of its operation. In creating the Frigate booster block Together with NPO Lavochkina took part: FSUE Scientific and Production Center for Automation and Instrument Engineering named after Academician N.A. Pilyugin “(control system), design bureau of” Chemical Engineering named after A.M. Isaeva ”(marching engine, orientation and stabilization engines), Russian Research Institute of Space Instrument Engineering and Izhevsk Radio Plant Joint-Stock Company (radio telemetry systems and trajectory measurement system); Engineering company “ORION-HIT” (chemical batteries), the state research enterprise “OKB” Vympel “(technical complex at the spaceport), the design bureau of General Engineering named after Academician V.P. Barmina ”(launch complex). The first flight of the upper stage took place on February 9, 2000 from the Baikonur Cosmodrome as part of the Soyuz-U launch vehicle. The payload consisted of a payload simulator and a Demonstrator device designed to conduct an experiment on launching an inflatable structure onto the ground. This launch launched a series of flight design tests to confirm the correctness of the structural decisions made when designing the upper stage. After the first launches, in order to improve the tactical and technical characteristics of the Frigate upper stage, its stage-by-stage modernization was carried out. The basic high-speed stage Frigate block laid the foundation for a whole family of highly efficient upper stage blocks that are created and are created on its basis. The use of additional fuel tanks and a dumped tank block (Frigate-MT and Fregat-SB) at the Frigate booster block allowed to significantly increase the mass of refueling fuel and, thereby, increase the efficiency of the booster block. First launches of Fregat-SB as part of the Zenit launch vehicle took place in 2011. The spacecraft Elektro-L and Spektr-R were successfully launched into geostationary and highly elliptical orbits. Currently, another modification of the Frigate-SBU upper stage is being developed for use in Soyuz-5 launch vehicles. This will make it possible to further strengthen the leading positions of the Russian Federation in the space launch market. As a result of its work, Fregat is not inferior to world analogues in its tactical and technical characteristics and has the following features: autonomous, i.e. provides the entire process of removing the payload without interference from the Earth; the logic of work provides a way out of possible emergency situations; it provides almost absolute accuracy of putting spacecraft into target orbits; for the first time in Russia, satellite navigation equipment powered by Glonass and GPS navigation systems is used due to which the accuracy of launching spacecraft into target orbits has been significantly increased; the ability to repeatedly turn on the MRL and ensure of several payloads to different orbits within a single launch; the “Frigate” is filled with fuel components before being installed on the SC, which makes it universal with respect to any launch vehicles; a long time (up to 2 days) of active existence; the ability to provide launches from four cosmodromes: Baikonur, Plesetsk, East and Guiana Space Center (French Guiana). Since 2000, 82 launching of the Frigate upper stage have been carried out, more than 300 spacecraft have been launched into various orbits ak Russian and foreign production.

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EDITOR’S NOTE: This article is a translation from Russian Language to English.

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