That rocket’s Interim Cryogenic Propulsion Stage uses a single RL10 while the Exploration Upper Stage (EUS), set to make its debut on Artemis 4 in the late 2020s, will use four RL10 engines.

Aerojet Rocketdyne has successfully tested a full-scale, 3-D-printed thrust chamber assembly for its workhorse RL-10 rocket engine. (Aerojet Rocketdyne Photo) United Launch Alliance has chosen ...

Vulcan/Centaur rocket. The engine is no strange to ULA, providing a key role with both of its Delta IV and Atlas V rockets that Vulcan will eventually replace. The RL10 – which is used in ...

WEST PALM BEACH, Fla., May 25, 2023 (GLOBE NEWSWIRE) -- Two Florida attractions now have RL10 upper-stage rocket engines on display, thanks to Aerojet Rocketdyne (AJRD): the new Gateway ™: The ...

A 3D-printed thrust chamber for the RL10 engine undergoes a hotfire test ... agreement supporting development of a new large rocket engine to include work on an updated version of an upper ...

The United Launch Alliance announced today that it had picked one of the engines it plans to use to power the company’s next generation rocket, called the Vulcan. ULA has decided to go with the ...

April 11, 2022 (GLOBE NEWSWIRE) -- United Launch Alliance (ULA) recently awarded the largest RL10 contract ever to Aerojet Rocketdyne to deliver 116 RL10C-X engines for its Vulcan Centaur rocket.

As ULA CEO Tory Bruno explained, "RL10 is the highest performance upper-stage rocket engine flying today." That's why ULA already uses the RL10 to power the upper stages of its Atlas V and Delta ...

Maximum liftoff thrust will be 3.8 million pounds and the rocket will be partially reusable. Aerojet Rocketdyne hydrogen-fueled RL10 engines will power the Vulcan's second stage when the initial ...

And according to one person, ULA must also resolve issues with the Vulcan rocket's Centaur upper stage, which is using a new variant of the RL-10 engine. So a lot has to go right for Vulcan to ...

Even assuming a lower figure around 120,000 lbf would make the BE-3U more powerful than the 100,000 lbf rating on the four RL10 rocket engines currently slated for use with the SLS. It's not clear ...