3 ms·
> Unlike with SpaceX, where Elon promptly yielded to professional engineers shutting down his fantasies like an SSTO design, 3D printing the whole rocket, or de
by panick21_ 4y ago
> Unlike with SpaceX, where Elon promptly yielded to professional engineers shutting down his fantasies like an SSTO design, 3D printing the whole rocket, or developing an ion engine to replace chemical one for last stages.
What's the source for that?