A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Country of origin | Soviet Union |
---|---|
First flight | December 16, 1965 |
Last flight | January 30, 2009 |
Designer | Yuzhnoye Design Bureau |
Manufacturer | Yuzhmash |
Application | Vernier |
Associated LV | R-36, Tsyklon-2 and Tsyklon-3 |
Status | Out of production |
Liquid-fuel engine | |
Propellant | N2O4 / UDMH |
Mixture ratio | 1.98 |
Cycle | Gas generator |
Configuration | |
Chamber | 4 |
Performance | |
Thrust, vacuum | 54.23 kN (12,190 lbf) |
Chamber pressure | 7.160 MPa (1,038.5 psi) |
Specific impulse, vacuum | 280.5 s (2.751 km/s) |
Burn time | Up to 163 s |
Restarts | 1 |
Gimbal range | ±30° |
Dimensions | |
Length | 0.9 m (2 ft 11 in) |
Diameter | 3.35 m (11.0 ft) |
Dry weight | 112.5 kg (248 lb) |
Used in | |
R-36, Tsyklon-2 and Tsyklon-3 second stage vernier | |
References | |
References | [1][2][3] |
The RD-856 (GRAU Index 8D69M), also known as the RD-69M, is a four-nozzle liquid-fuel rocket vernier engine, burning N2O4 and UDMH in a gas generator cycle.[3] It was used on the R-36, Tsyklon-2 and Tsyklon-3 second stage as thrust vector control by gimbaling of its nozzle.[3] The engine is distributed through a cylindrical structure that is integrated around the main engine RD-252 module. The structure includes aerodynamic protection for the nozzles.[2] The engine was started by a pyrotechnic ignitor.[2]
The engine was serially produced between 1965 and 1992. It was first launched on December 16, 1965 on an R-36 and its last launch was on January 30, 2009 with the last launch of the Tsyklon-3. The production capability was restarted for the Tsyklon-4 but with the apparent cancellation of the program the engine would still be out of production.[4]
See also
- R-36 - The Soviet ICBM for which the RD-856 was created.
- Tsyklon-2 - A Soviet small rocket that uses the RD-856.
- Tsyklon-3 - A Soviet small rocket that uses the RD-856.
- Tsyklon-4 - A Ukrainian small rocket project that would have used the RD-856.
- Yuzhnoe Design Bureau - The RD-856 designer bureau.
References
- ^ "RD-856". Encyclopedia Astronautica. Archived from the original on June 27, 2002. Retrieved 2016-07-06.
- ^ a b c Pillet, Nicolas. "Tsiklone - Le deuxième étage" [Tsyklon - The second stage] (in French). Kosmonavtika.com. Retrieved 2016-07-06.
- ^ a b c "RD-856". Yuzhnoye. Archived from the original on 29 May 2015.
- ^ Krebs, Gunter Dirk (2016-04-24). "Tsiklon". Gunter's Space Page. Retrieved 2016-07-05.
External links
- Yuzhnoye Design Bureau English-language home page Archived 2021-06-29 at the Wayback Machine
- Yuzhmash Home Page
Text je dostupný za podmienok Creative Commons Attribution/Share-Alike License 3.0 Unported; prípadne za ďalších podmienok. Podrobnejšie informácie nájdete na stránke Podmienky použitia.
Antropológia
Aplikované vedy
Bibliometria
Dejiny vedy
Encyklopédie
Filozofia vedy
Forenzné vedy
Humanitné vedy
Knižničná veda
Kryogenika
Kryptológia
Kulturológia
Literárna veda
Medzidisciplinárne oblasti
Metódy kvantitatívnej analýzy
Metavedy
Metodika
Text je dostupný za podmienok Creative
Commons Attribution/Share-Alike License 3.0 Unported; prípadne za ďalších
podmienok.
Podrobnejšie informácie nájdete na stránke Podmienky
použitia.
www.astronomia.sk | www.biologia.sk | www.botanika.sk | www.dejiny.sk | www.economy.sk | www.elektrotechnika.sk | www.estetika.sk | www.farmakologia.sk | www.filozofia.sk | Fyzika | www.futurologia.sk | www.genetika.sk | www.chemia.sk | www.lingvistika.sk | www.politologia.sk | www.psychologia.sk | www.sexuologia.sk | www.sociologia.sk | www.veda.sk I www.zoologia.sk