RL-10

The RL10 is a liquid-fuel cryogenic rocket engine built in the United States by Aerojet Rocketdyne that burns cryogenic liquid hydrogen and liquid oxygen propellants. Modern versions produce up to 110 kN (24,729 lb_f) of thrust per engine in vacuum. RL10 versions were produced for the Centaur upper stage of the Atlas V and the DCSS of the Delta IV. More versions are in development or in use for the Exploration Upper Stage of the Space Launch System and the Centaur V of the Vulcan rocket.

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1961  Wikimedia, Wikidata
RL10
cryogenic rocket engine, Aerojet Rocketdyne, United States, 
Tarshish, 1960s, Republic of Haiti, 1961, C, B-2, A, Ekran, Dong Fang Hong 2, cryogenic rocket engine, United States, Sikh Confederacy, Persia, Kingdom of Wolaita, Kingdom of Martabam-hongsawatoi, Havilah, Democratic Republic of the Congo, Chinland, Calvinist Republic of Ghent, Ashkenaz, 

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Location: KML, Cluster Map, Maps,

• 

  RL-10A ⓘ
  series of rocket engines

• 

  RL-10B-2 ⓘ
  model of rocket engine

• 

  RL-10C ⓘ
  series of rocket engines

Frameless

RL-10 rocket engine

This drawing clearly shows the comparative sizes of the rocket engines used to launch the Saturn vehicles. The RL-10 and the H-1 engines were used to launch the Saturn I rockets.

Rocket Engines Displayed for 1966 Inspection at Lewis Research Center

First developed in 1959, the Pratt & Whitney RL10 was the first hydrogen/oxygen engine, yet it is still the most fuel efficient engine ever made, and the highest ISP engine flying today. .

Scott Manley and his fave artifact – the RL10 Engine

Type	Subtype	Date	Description	Notes	Source
class	rocket engine	1961	RL-10A	RL-10	Wikidata
class	rocket engine	1998	RL-10B-2	RL-10	Wikidata
class	rocket engine	1998	RL-10C	RL-10	Wikidata
commons	image		RL-10 rocket engine		Commons
commons	image		This drawing clearly shows the comparative sizes of the rocket engines used to launch the Saturn vehicles. The RL-10 and the H-1 engines were used to launch the Saturn I rockets.		Commons
commons	image		Rocket Engines Displayed for 1966 Inspection at Lewis Research Center		Commons
commons	image		First developed in 1959, the Pratt & Whitney RL10 was the first hydrogen/oxygen engine, yet it is still the most fuel efficient engine ever made, and the highest ISP engine flying today. .		Commons
commons	image		Scott Manley and his fave artifact – the RL10 Engine		Commons