Portal Space Systems Secures $50M, Revives Solar Thermal Propulsion
Tech News Today | 2 Min News | The Daily News Now! · The Daily News Now!
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Show Notes
Jeff Thornburg, SpaceX engineer, launches Portal Space Systems with a $50M Series A, valuing the company at $250M. Backed by Geodesic Capital, Mach 33, and ARK Invest, Portal revives old NASA tech for solar thermal propulsion, aiming to launch working versions in the next two years. With demand surging for satellite management and military operations, Portal has secured $45M from U.S. defense and $67.5M in private funding. Their Hex thruster, made possible by new materials and 3D printing, is set to orbit in October and demo the SuperNova fighter jet in 2027, positioning Portal to dominate deep space travel when nuclear thermal rockets become available.
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