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RD-856

The RD-856 (Russian: Ракетный Двигатель-856, romanized: Raketnyy Dvigatel-856, lit. 'Rocket Engine 856', GRAU index: 8D69M), also known as the RD-69M, is a four-nozzle liquid-fuel rocket vernier engine, burning a hypergolic mixture of unsymmetrical dimethylhydrazine (UDMH) fuel with dinitrogen tetroxide (N2O4) oxidizer in a gas generator cycle. It was…

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Application
Vernier
Associated LV
R-36, Tsyklon-2 and Tsyklon-3
Burn time
Up to 163 s
Chamber
4
Chamber pressure
7.160 MPa (1,038.5 psi)
Country of origin
Soviet Union

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RD-856

Nodes20
Edges19
Triples30
Avg. degree1.9
Density0.1
Components1

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RD-856

Top relations

see also · 9
RD-856 → R-36, Soviet, The RD-856, The Soviet ICBM, Tsyklon-2, Tsyklon-3, Tsyklon-4, Ukrainian, Yuzhnoe Design Bureau
Application · 1
RD-856 → Vernier
Associated LV · 1
RD-856 → R-36, Tsyklon-2 and Tsyklon-3
Burn time · 1
RD-856 → Up to 163 s
Chamber · 1
RD-856 → 4
Chamber pressure · 1
RD-856 → 7.160 MPa (1,038.5 psi)
Country of origin · 1
RD-856 → Soviet Union
Cycle · 1
RD-856 → Gas generator
Designer · 1
RD-856 → Yuzhnoye Design Bureau
Diameter · 1
RD-856 → 3.35 m (11.0 ft)

Important terminology Word statistics

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Important terminology

engine r-36 tsyklon-3 soviet tsyklon-2 rocket structure 1965 udmh also tsyklon-4 design bureau vernier mixture n2o4 gas generator cycle second

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
RD-856ApplicationVernier1.00infobox
RD-856Associated LVR-36, Tsyklon-2 and Tsyklon-31.00infobox
RD-856Burn timeUp to 163 s1.00infobox
RD-856Chamber41.00infobox
RD-856Chamber pressure7.160 MPa (1,038.5 psi)1.00infobox
RD-856Country of originSoviet Union1.00infobox
RD-856CycleGas generator1.00infobox
RD-856DesignerYuzhnoye Design Bureau1.00infobox
RD-856Diameter3.35 m (11.0 ft)1.00infobox
RD-856Dry mass112.5 kg (248 lb)1.00infobox
RD-856First flightDecember 16, 19651.00infobox
RD-856Gimbal range±30°1.00infobox
RD-856Last flightJanuary 30, 20091.00infobox
RD-856Length0.9 m (2 ft 11 in)1.00infobox
RD-856ManufacturerYuzhmash1.00infobox
RD-856Mixture ratio1.981.00infobox
RD-856Propellant.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:l…1.00infobox
RD-856Restarts11.00infobox
RD-856Specific impulse, vacuum280.5 s (2.751 km/s)1.00infobox
RD-856StatusOut of production1.00infobox
RD-856Thrust, vacuum54.23 kN (12,190 lbf)1.00infobox

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