Three engines have been derived from the original RL10: the RL10A-4-2, the RL10B-2, and the RL10C-1. Known as the launch industry’s workhorse, it was first tested in 1959, and has helped to send spacecraft to every planet in our solar system, including Voyager 1 and New Horizons, the fastest spacecraft to leave Earth orbit. It recently achieved another aerospace 3D printing milestone, with the successful hot-fire test of a full-scale, additively manufactured thrust chamber assembly for its RL10 rocket engine.Īerojet’s RL10 has been the premier upper-stage rocket engine for over 50 years in the US. The company’s expertise in 3D printing technology and rocket engines is so well-known, Aerojet was even tapped by the US Air Force to define standards for 3D printed rocket engine components. Aerojet hasn’t slowed down, successfully completing hot-fire tests of 3D printed rocket engine injectors for the AR1, and signing a contract with NASA to mature the 3D printed MPS-130 CubeSat propulsion system. We talk a lot about California-based aerospace and defense leader Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc., starting when it 3D printed an entire liquid oxygen/kerosen engine in just three parts back in 2014.
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