{"id":71258,"date":"2026-07-10T18:46:45","date_gmt":"2026-07-10T16:46:45","guid":{"rendered":"https:\/\/www.3dnatives.com\/en\/?p=71258"},"modified":"2026-07-10T18:46:45","modified_gmt":"2026-07-10T16:46:45","slug":"venus-aerospace-91m-10072026","status":"publish","type":"post","link":"https:\/\/www.3dnatives.com\/en\/venus-aerospace-91m-10072026\/","title":{"rendered":"Venus Aerospace Secures $91M Series B to Scale 3D-Printed Rocket Engines"},"content":{"rendered":"

The additive manufacturing industry has received further validation from the aerospace sector. Houston, Texas-based hypersonic startup <\/span>Venus Aerospace<\/b> has officially closed a <\/span>$91 million Series B financing round.<\/b> Led by the venture capital firm Mercury Fund, the round saw participation from Lockheed Martin Ventures, MESH, PEAK6, Draper Associates, Starboard Star Venture Capital, and Green Sands Equity, among other strategic and institutional investors. <\/span>Venus Aerospace, <\/b>which is also backed by existing investors such as Airbus Ventures, Trousdale Ventures, Prime Movers Lab, and America’s Frontier Fund, <\/span>plans to use the capital to scale its development and production.<\/span> Specifically, the funds will transition its flight-proven, high-thrust Rotating Detonation Rocket Engine (RDRE) propulsion system from a successful demonstration toward deployment for near-term defense and space applications.<\/span><\/p>\n

For the 3D printing community, the real interest is how <\/span>Venus Aerospace is leveraging additive manufacturing to solve complex propulsion challenges<\/span>. The company builds its RDRE using components made via laser powder bed fusion<\/a><\/span>. This 3D printing process enables the integration of complex internal structures, including custom coolant channels and injector orifices, that are impossible to fabricate using traditional machining. At the technical core of the RDRE is a circular combustion chamber that generates thrust through continuous, spinning supersonic detonation waves. To withstand the extreme heat and pressure-gain combustion of detonative waves, the propulsion system leverages specialized NASA alloys, incorporating GRCop-42<\/b> for high thermal conductivity and GRX-810<\/b><\/a> for extreme temperature resilience.\u00a0<\/span><\/p>\n

This mechanism yields a <\/span>15 percent increase in efficiency<\/b> over conventional rocket engines, making it the most efficient rocket engine architecture ever flown<\/span>. This efficiency gain translates into extended range and enhanced payload flexibility<\/span>.<\/span><\/p>

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The RDRE rocket engine<\/p><\/div>\n

The RDRE propulsion architecture is designed to combine efficiency, throttleability, reusability, and manufacturability<\/span>. Rather than engineering a unique engine for every single application, <\/span>Venus Aerospace is building a common propulsion architecture designed to serve across multiple mission classes<\/span>. This flexible, 3D-printed design is slated for use in munitions, space launch, orbital transfer, and lander vehicles<\/span>.<\/span><\/p>\n

Venus Aerospace: Defense Against Supply Chain Challenges<\/h2>\n

Centering production around <\/span>3D-printed components also addresses critical supply chain constraints that have historically delayed aerospace programs<\/span>. While legacy platforms frequently suffer from a reliance on constrained or foreign-sourced parts, the RDRE is <\/span>designed for domestic manufacturing at scale right in Texas using American engineering and manufacturing talent<\/span>. As Sassie Duggleby, co-founder and CEO of <\/span>Venus Aerospace, explained, customers desperately need high-performing propulsion systems that go farther, can be produced reliably, and are built on supply chains they can trust<\/span>.<\/span><\/p>\n

Chris Moran, Vice President and General Manager of Lockheed Martin Ventures, highlighted this operational advantage, stating that their reinvestment recognizes the startup’s accomplishments: “Our reinvestment in Venus recognizes Venus\u2019 accomplishments to date and focus on speed to manufacture, cost management and reduction of supply chain constraints. Venus is working effectively to position its propulsion system for the production scale required by defense programs.\u201d<\/em><\/span><\/p>\n