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Raptor vs BE 4 what sets these rocket engines apart

SpaceX’s Raptor engine and Blue Origin’s BE-4 engine are two key innovations in rocket propulsion, each with its unique design and performance characteristics. While the Raptor engine leverages ...
Ars Technica

NASA just swapped a 10-year-old Artemis II engine with one nearly twice its age

A couple of weeks ago, ground teams at NASA’s Kennedy Space Center in Florida removed one of the four main engines from the Space Launch System rocket slated to send four astronauts on a voyage around ...
Astronomy

SpaceX Starship Flight 6: No booster catch, but still pushing the envelope

SpaceX's sixth Starship test flight successfully demonstrated in-orbit engine reignition of a Raptor engine, a crucial capability for NASA's Artemis III lunar landing mission, involving propellant ...
Ellie in Space on MSN

Why SpaceX can light 33 engines at once and NASA cannot

SpaceX quietly revealed a massive new fuel transfer system designed to feed all 33 Raptor engines simultaneously. It is a brute force engineering solution to a problem that has crippled heavy lift ...