China and Europe Hope to be 15 Years Behind SpaceX on Reusable Rockets

Ariane is working on a reusable rocket engine called Prometheus and they created animation of the Themis reusable rocket design. The Themis project will build a multiple-engine first-stage rocket that launches vertically and lands near the launch site. The Prometheus engine is a reusable liquid oxygen and methane engine that may cost as little as $1 million to build. The Prometheus engine will have a thrust of 100 tons each which is similar to the SpaceX Merlin 1D engine. The goal are rockets that are ten times cheaper. The Themis reusable European rocket could be flying around 2028-2030 but still needs full funding. China is developing the Long March 8-R as a rocket with a reusable first stage. The Long March 8-R should be flying around 2028.
Three Prometheus engines on a future Themis reusable european rocket
Long March 8-R in a presentation
SOURCES- Ariane, Youtube, China Space Agency Written By Brian Wang

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