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RD-191

The RD-191 (Russian: Ракетный Двигатель-191, romanized: Raketnyy Dvigatel-191, lit. 'Rocket Engine 191') is a high-performance single-combustion chamber rocket engine, developed in Russia and sold by Roscosmos. It is derived from the RD-180 dual-combustion chamber engine, which itself was derived in turn from the four-chamber RD-170 originally used in…

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Application
Main engine
Burn time
325 seconds (Angara A5 core stage)
Chamber pressure
25.8 MPa (3,740 psi)
Country of origin
Russia
Cycle
Oxidizer-rich staged combustion
Date
2001

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Design

Development

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RD-191

Nodes47
Edges46
Triples96
Avg. degree1.96
Density0.042553
Components1

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RD-191

Top relations

related to RD-181 · 34
RD-191 → AJ-26, AJ-26/Antares, Antares, CRS-1, December, February, International Space Station, It, January, July, March, May, Moon, N1F, NASA, NK-33, Northrop Grumman Innovation Systems, NPO Energomash, NPO Energomash RD-181, On
related to RD-191M · 18
RD-191 → According, Angara-A5M, Angara-A5V, During, In May, India, July, L110, LVM-3, LVM3, NPO Energomash, RD-191M, Roskosmos, Russia, SCE-200, The, The RD-191M, This
related to Development · 13
RD-191 → Angara, Angara A5, Antares, By, In, In December, In July, NPO Energomash, On, Orbital Sciences, RD-181, September, The
related to RD-151 · 5
RD-191 → August, July, RD-151, South Korean Naro-1, The
related to External links · 3
RD-191 → Archived, Energomash, July
Application · 1
RD-191 → Main engine
Burn time · 1
RD-191 → 325 seconds (Angara A5 core stage)
Chamber pressure · 1
RD-191 → 25.8 MPa (3,740 psi)
Country of origin · 1
RD-191 → Russia
Cycle · 1
RD-191 → Oxidizer-rich staged combustion

Important terminology Word statistics

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Important terminology

engine antares rocket orbital engines launch rd-181 russian energomash use thrust chamber first used russia rd-191m npo cycle angara tests

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
RD-191ApplicationMain engine1.00infobox
RD-191Burn time325 seconds (Angara A5 core stage)1.00infobox
RD-191Chamber pressure25.8 MPa (3,740 psi)1.00infobox
RD-191Country of originRussia1.00infobox
RD-191CycleOxidizer-rich staged combustion1.00infobox
RD-191Date20011.00infobox
RD-191DesignerNPO Energomash1.00infobox
RD-191Diameter1.45 m (4 ft 9 in)1.00infobox
RD-191Dry mass2,290 kg (5,050 lb)1.00infobox
RD-191Gimbal range8°1.00infobox
RD-191Length4 m (13 ft)1.00infobox
RD-191ManufacturerNPO Energomash / Proton-PM (in transition)1.00infobox
RD-191Mixture ratio2.6:11.00infobox
RD-191Nozzle ratio37:11.00infobox
RD-191PredecessorRD-1701.00infobox
RD-191PropellantLOX / RP-11.00infobox
RD-191Specific impulse, sea-level310.7 s (3.047 km/s)1.00infobox
RD-191Specific impulse, vacuum337 s (3.30 km/s)1.00infobox
RD-191StatusIn use1.00infobox
RD-191Throttle range27–105%1.00infobox
RD-191Thrust, sea-level1,920 kN (430,000 lbf) at 100% throttle1.00infobox
RD-191Thrust, vacuum2,090 kN (470,000 lbf) at 100% throttle1.00infobox
RD-191Thrust-to-weight ratio89:11.00infobox

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