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YF-73

The YF-73 was China's first successful cryogenic liquid hydrogen fuel and liquid oxygen oxidizer gimballed engine. It was used on the Long March 3 H8 third stage, running on the simple gas generator cycle and with a thrust of 44.15 kilonewtons (9,930 lbf). It had four hinge mounted nozzles that gimbaled each on one axis to supply thrust vector control…

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Associated LV
Long March 3
Burn time
800 seconds (13 min)
Chamber
4
Chamber pressure
2,590 kPa (25.9 bar)
Country of origin
China
Cycle
Gas-generator

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Map overview Semantic statistics

YF-73

Nodes14
Edges13
Triples33
Avg. degree1.86
Density0.142857
Components1

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YF-73

Top relations

related to history · 13
YF-73 → April, Beijing Aerospace Propulsion Institute, China, Chinese, Dong Fang Hong, In March, In October, It, January, May, Project, The, YF-75
Associated LV · 1
YF-73 → Long March 3
Burn time · 1
YF-73 → 800 seconds (13 min)
Chamber · 1
YF-73 → 4
Chamber pressure · 1
YF-73 → 2,590 kPa (25.9 bar)
Country of origin · 1
YF-73 → China
Cycle · 1
YF-73 → Gas-generator
Designer · 1
YF-73 → Beijing Aerospace Propulsion Institute
Diameter · 1
YF-73 → 2.2 metres (7 ft 3 in)
Dry mass · 1
YF-73 → 236 kilograms (520 lb)

Important terminology Word statistics

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Important terminology

hydrogen oxygen engine first thrust yf-75 used gas generator liquid march lbf restart long h8 third stage cycle 44 15

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
YF-73Associated LVLong March 31.00infobox
YF-73Burn time800 seconds (13 min)1.00infobox
YF-73Chamber41.00infobox
YF-73Chamber pressure2,590 kPa (25.9 bar)1.00infobox
YF-73Country of originChina1.00infobox
YF-73CycleGas-generator1.00infobox
YF-73DesignerBeijing Aerospace Propulsion Institute1.00infobox
YF-73Diameter2.2 metres (7 ft 3 in)1.00infobox
YF-73Dry mass236 kilograms (520 lb)1.00infobox
YF-73First flight1984-01-291.00infobox
YF-73Last flight2000-05-261.00infobox
YF-73Length1.44 metres (4 ft 9 in)1.00infobox
YF-73ManufacturerChina Academy of Launch Vehicle Technology (CALT)1.00infobox
YF-73Mixture ratio5.001.00infobox
YF-73Nozzle ratio401.00infobox
YF-73PropellantLiquid oxygen / Liquid hydrogen1.00infobox
YF-73Specific impulse, vacuum420 seconds (4.1 km/s)1.00infobox
YF-73StatusRetired1.00infobox
YF-73SuccessorYF-751.00infobox
YF-73Thrust, vacuum44.15 kilonewtons (9,930 lbf)1.00infobox

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