J-2 engines

URI: https://gptkb.org/entity/J-2_engines

GPTKB entity

Statements (84)

Predicate	Object
gptkbp:instance_of	gptkb:rocket
gptkbp:check_in_time	150 seconds
gptkbp:designed_by	gptkb:Rocketdyne
gptkbp:developer	$50 million
gptkbp:engine	staged combustion cycle single combustion chamber 5 on Saturn V
gptkbp:first_flight	gptkb:1966 gptkb:1975
gptkbp:fuel_capacity	18.5 ft 10.5 ft
gptkbp:fuel_type	gas-generator cycle liquid hydrogen
gptkbp:has_programs	gptkb:software
https://www.w3.org/2000/01/rdf-schema#label	J-2 engines
gptkbp:inspired_by	J-1 engine
gptkbp:mission	gptkb:Apollo_lunar_missions
gptkbp:notable_feature	restart capability
gptkbp:number_of_rooms	60 psi
gptkbp:operated_by	gptkb:NASA
gptkbp:operational_status	retired
gptkbp:propulsion	75:1 230,000 lbf
gptkbp:replaced_by	gptkb:J-2_X_engine
gptkbp:social_structure	liquid oxygen
gptkbp:successor	gptkb:J-2_X
gptkbp:used_in	gptkb:Apollo_14 gptkb:Saturn_V gptkb:Skylab gptkb:Apollo_10 gptkb:Apollo_16 gptkb:Apollo_6 gptkb:Apollo_2 gptkb:Apollo_3 gptkb:Apollo_0 gptkb:Saturn_IB gptkb:Apollo_19 gptkb:Apollo_20 gptkb:Apollo_21 gptkb:Apollo_22 gptkb:Apollo_23 gptkb:Apollo_24 gptkb:Apollo_25 gptkb:Apollo_26 gptkb:Apollo_27 gptkb:Apollo_28 gptkb:Apollo_29 gptkb:Apollo_31 gptkb:Apollo_32 gptkb:Apollo_34 gptkb:Apollo_36 gptkb:Apollo_37 gptkb:Apollo_38 gptkb:Apollo_39 gptkb:Apollo_40 gptkb:Apollo_41 gptkb:Apollo_43 gptkb:Apollo_46 gptkb:Apollo_49 gptkb:Apollo_50 gptkb:Apollo_15 gptkb:Apollo_17 gptkb:Apollo_8 gptkb:Apollo_7 gptkb:Apollo_9 gptkb:Apollo_18 gptkb:Apollo_11 gptkb:Apollo_13 gptkb:Apollo_5 gptkb:Apollo_12 gptkb:Saturn_I gptkb:Apollo_4 gptkb:Apollo_1 Apollo 30 Apollo 33 Apollo 35 Apollo 42 Apollo 44 Apollo 45 Apollo 47 Apollo 48
gptkbp:weight	3,000 lb
gptkbp:bfsParent	gptkb:Saturn_V
gptkbp:bfsLayer	3