- SpaceX: Elon Musk Teases Rapid, Cheap Raptor Production to Get to Mars Fast - Musk has an ambitious timetable in mind. By the end of this year, Musk declared, the company is aiming to produce a new engine every 12 hours. https://www.inverse.com/article/56999-spacex-elon-musk-teases-rapid-cheap-raptor-production-to-get-to-mars-fast 57 comments space