Question · Q3 2025
Michael Leshock asked about the finalization of Archimedes engine design and its readiness for first flight, the speed at which Archimedes production can ramp up for Neutron's debut, and whether Neutron's original budget of $250 million-$300 million remains intact given the updated launch timing, along with current spending and peak spending estimates.
Answer
Peter Beck, Founder and CEO, Rocket Lab, confirmed the Archimedes engine design is stable, meets performance criteria, and the vast majority of Flight 1 components are complete or in build. He noted the production machine is ready to support, emphasizing extensive testing for reusability. Adam Spice, CFO, Rocket Lab, stated the Neutron program is now estimated to have spent approximately $360 million cumulatively by the end of 2025, exceeding the original budget due to delays, and indicated that peak R&D spending is approaching, possibly in Q4.
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