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Vulcan Centaur is a heavy-lift launch vehicle [a] developed and operated by United Launch Alliance (ULA). It is a two-stage-to-orbit launch vehicle consisting of the Vulcan first stage and the Centaur second stage.
It was launched on the maiden flight of Vulcan Centaur on 8 January 2024, 07:18 UTC. [1] The Vulcan Centaur successfully placed Peregrine into trans-lunar injection , however, following a fuel leak with the spacecraft unrelated to the Vulcan Centaur, the lander failed in its attempt to land on the moon.
A heavy-lift launch vehicle (HLV) is an orbital launch vehicle capable of lifting payloads between 20,000 to 50,000 kg (44,000 to 110,000 lb) (by NASA classification) or between 20,000 to 100,000 kilograms (44,000 to 220,000 lb) (by Russian classification) [1] into low Earth orbit (LEO). [2]
[note 2] Liquid-propellant rockets have a motor that feeds liquid propellant(s) into a combustion chamber. Most liquid engines use a bipropellant , consisting of two liquid propellants (fuel and oxidizer) which are stored and handled separately before being mixed and burned inside the combustion chamber.
2 0 50,000-100,000 kg (Block 1) 100,000-150,000 kg (Block 2) 200,000 kg (Block 3) 2023 Active, relaunch planned Second stage: 7 0 0 United Launch Alliance: Vulcan Centaur: First stage engine module 2 0 0 27,200 kg 2024 Active, recovery planned Space Pioneer: Tianlong-3: First stage 1 0 0 17,000 kg 2024 Planned Blue Origin: New Glenn: First ...
First fired in 2020, it is used on the Vulcan launch vehicle beginning with the first launch on January 8, 2024. [4] [9] [10] Up to 6 of the boosters will be mounted on a single Vulcan core, depending on customer needs. [11] It is currently used on Vulcan Centaur rocket. [2]
The contract type for the phase 2 contracts is new for NSSL launches as it will be a "firm-fixed-price, indefinite-delivery" type of launch contract. [54] The awards in August 2020 are a major part of "the transition of the national security launch program to take advantage of commercial innovation and private investments in launch vehicles."
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.