Delta Cryogenic Second Stage

E846509

cryogenic rocket stage rocket upper stage spacecraft propulsion system

The Delta Cryogenic Second Stage is a liquid hydrogen–liquid oxygen upper stage used on Delta IV rockets to provide high-efficiency propulsion for orbital insertion and mission maneuvers.

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Observed surface forms (1)

Surface form	Occurrences
Delta Cryogenic Second Stage derivative	1

Statements (48)

Predicate	Object
instanceOf	cryogenic rocket stage ⓘ rocket upper stage ⓘ spacecraft propulsion system ⓘ
attitudeControl	reaction control system ⓘ
capableOf	direct geostationary orbit insertion ⓘ escape trajectory injection ⓘ geostationary transfer orbit insertion ⓘ
countryOfOrigin	United States of America ⓘ surface form: United States
engine	Pratt & Whitney RL10B-2 NERFINISHED ⓘ
engineGimbal	gimbaled for thrust vector control ⓘ
engineNozzle	extendable carbon-carbon nozzle ⓘ
engineType	expander cycle ⓘ
fairingInterface	Delta IV payload fairing ⓘ
family	Delta rocket family NERFINISHED ⓘ
fuelTank	liquid hydrogen tank ⓘ
guidanceSystem	inertial guidance ⓘ
insulation	external foam insulation ⓘ
introducedWith	Delta IV launch system NERFINISHED ⓘ
launchSiteCompatibility	Cape Canaveral Space Force Station NERFINISHED ⓘ Vandenberg Space Force Base NERFINISHED ⓘ
manufacturer	Boeing ⓘ United Launch Alliance NERFINISHED ⓘ
missionRole	high-energy upper stage ⓘ
operator	United Launch Alliance NERFINISHED ⓘ
oxidizerTank	liquid oxygen tank ⓘ
oxidizerToFuelRatio	approximately 5.5:1 ⓘ
primaryFunction	orbital insertion ⓘ
propellant	liquid hydrogen ⓘ liquid oxygen ⓘ
propulsionType	cryogenic ⓘ
restartCapability	multiple restarts ⓘ
secondaryFunction	orbit circularization ⓘ payload deployment maneuvers ⓘ transfer orbit maneuvers ⓘ
specificImpulseVacuum	about 462 s ⓘ
status	operational ⓘ
successorTo	Delta II second stage NERFINISHED ⓘ
tankMaterial	aluminum-lithium alloy ⓘ
thrustVacuum	about 110 kN ⓘ
usedBy	NASA NERFINISHED ⓘ U.S. Department of Defense NERFINISHED ⓘ commercial satellite operators ⓘ
usedFor	commercial satellite launches ⓘ government science missions ⓘ military payload launches ⓘ
usedOnLaunchVehicle	Delta IV NERFINISHED ⓘ Delta IV Heavy NERFINISHED ⓘ Delta IV Medium NERFINISHED ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Delta IV Heavy → upperStageName → Delta Cryogenic Second Stage ⓘ

Delta IV upper stage → hasDesignation → Delta Cryogenic Second Stage ⓘ

ICPS → replaces → Delta Cryogenic Second Stage ⓘ

this entity surface form: Delta Cryogenic Second Stage derivative