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RD-120

The RD-120 (Russian: Ракетный Двигатель-120, romanized: Raketnyy Dvigatel-120, lit. 'Rocket Engine 120', GRAU index: 11D123) is a liquid upper stage rocket engine burning RG-1 (refined kerosene) and LOX in an oxidizer rich staged combustion cycle with an O/F ratio of 2.6. It is used in the second stage of the Zenit family of launch vehicles. It has a…

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Application
Upper stage
Burn time
315 seconds
Chamber pressure
Standard: 162.8 bar (16.28 MPa) Uprated: 178.1 bar (17.81 MPa)
Country of origin
Soviet Union · Russia
Cycle
Staged combustion cycle
Designer
NPO Energomash, V.K.Chvanov, V.P. Radovsky

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RD-120

Nodes68
Edges67
Triples151
Avg. degree1.97
Density0.029412
Components1

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RD-120

Top relations

related to Versions · 34
RD-120 → Cyclone-4M SLV, GRAU Index, Had, It, LNG, LOX, Makeyev Rocket Design Bureau, Methane, Original, Project, Proposed, RD-120K, RD-120M, RD-120U, RD-146RD-182, RD-182, RD-182M, RD-263, RD-870, Riksha
related to history · 27
RD-120 → And, Buran, But, By April, During, Energomash, Government, In, In February, January, KBKhA, NPO Energomash, On March, One, Proton, RD-0120, RD-123, RD-130, RD-170, RD-171
related to SCE-200 · 24
RD-120 → According, Cooperation, Economic Development, February, Framework Agreement, Given, Government, India, Indian, Indian-Ukrainian, Indians, Jasmine, March, On June, Outer Space, Peaceful Uses, RD-810, Republic, Since, The
related to RD-801 and RD-810 · 16
RD-120 → LOX, Mayak, Not, NPO Energomash, RD-8, RD-843, RD-855, RD-861, The, Tsyklon-4, Ukraine, Vega's AVUM, While, While Yuzhnoye, Yuzhmash, Yuzhnoye
see also · 11
RD-120 → Chinese, Engine, Indian, Launch, NPO Energomash, RD-810, SCE-200, Ukrainian, YF-100, Yuzhmash, Zenit
related to YF-100 and YF-115 · 9
RD-120 → As, But, Chinese, During, Indians, RD-810, This, YF-100, YF-115
related to Technological derivatives · 7
RD-120 → Chinese YF-100, Indian SCE-200, Not, RD-810, The Soviet/Russian RD-170, The Ukrainian RD-801, YF-115
related to RD-170 family · 6
RD-120 → As, History, NPO Energomash, RD-123, RD-170, So
Country of origin · 2
RD-120 → Russia, Soviet Union
Application · 1
RD-120 → Upper stage

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Important terminology

engine stage npo energomash second development combustion zenit first launch engines version lox family staged rd-810 yuzhmash project program kerosene

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
RD-120ApplicationUpper stage1.00infobox
RD-120Burn time315 seconds1.00infobox
RD-120Chamber pressureStandard: 162.8 bar (16.28 MPa) Uprated: 178.1 bar (17.81 MPa)1.00infobox
RD-120Country of originSoviet Union1.00infobox
RD-120Country of originRussia1.00infobox
RD-120CycleStaged combustion cycle1.00infobox
RD-120DesignerNPO Energomash, V.K.Chvanov, V.P. Radovsky1.00infobox
RD-120Diameter1.95 m (6.4 ft)1.00infobox
RD-120Dry mass1,125 kg (2,480 lb)1.00infobox
RD-120Length3.87 m (12.7 ft)1.00infobox
RD-120ManufacturerYuzhmash1.00infobox
RD-120PropellantLOX / RP-11.00infobox
RD-120Specific impulse, vacuum350 s (3.4 km/s)1.00infobox
RD-120StatusOperational1.00infobox
RD-120Thrust, vacuumStandard: 834 kN (187,000 lbf) Uprated: 912 kN (205,000 lbf)1.00infobox
RD-120Thrust-to-weight ratioStandard: 75.55[note 1] Uprated: 82.66[note 2]1.00infobox

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