H-1

The Rocketdyne H-1 was a 205,000 lbf (910 kN) thrust liquid-propellant rocket engine burning LOX and RP-1. The H-1 was developed for use in the S-I and S-IB first stages of the Saturn I and Saturn IB rockets, respectively, where it was used in clusters of eight engines. After the Apollo program, surplus H-1 engines were rebranded and reworked as the Rocketdyne RS-27 engine with first usage on the Delta 2000 series in 1974. RS-27 engines continued to be used up until 1992 when the first version of the Delta II, Delta 6000, was retired. The RS-27A variant, boasting slightly upgraded performance, was also used on the later Delta II and Delta III rockets, with the former flying until 2018.

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Location: KML, Cluster Map, Maps,

Frameless

Outside H-1 engine

Diagram of Rocketdyne H-1 engine

Saturn I test article

S-I rocket stage

H-1 rocket engine diagram

Propulsion and Structural Test Facility

H-1 rocket engine diagram image

A H-1 Rocketdyne engine in exhibition in the Arkansas Air & Military Museum

The H-1 engines for the Saturn I vehicle in the alignment fixture. A cluster of eight H-1 engines were used to thrust the first stage of the Saturn I launch vehicle.

Inside H-1 engine

Type	Subtype	Date	Description	Notes	Source
commons	image		Outside H-1 engine		Commons
commons	image		Diagram of Rocketdyne H-1 engine		Commons
commons	image		Saturn I test article		Commons
commons	image		S-I rocket stage		Commons
commons	image		H-1 rocket engine diagram		Commons
commons	image		Propulsion and Structural Test Facility		Commons
commons	image		H-1 rocket engine diagram image		Commons
commons	image		A H-1 Rocketdyne engine in exhibition in the Arkansas Air & Military Museum		Commons
commons	image		The H-1 engines for the Saturn I vehicle in the alignment fixture. A cluster of eight H-1 engines were used to thrust the first stage of the Saturn I launch vehicle.		Commons
commons	image		Inside H-1 engine		Commons