Broad Area Cooling with Hybrid Additive Manufactured Pressure Vessel

Sierra Lobo, Inc. and our partner Big Metal Additive propose a unique hybrid additive approach to manufacturing cryogenic liquid storage tanks with broad area cooling channels integrated directly into the walls of the tanks. This manufacturing approach has the potential to yield a smooth exterior surface over which a composite overwrap may be applied, minimizing system weight and maximizing efficient use of tank volume while maintaining structural strength. The use of automated, computer-controlled machining also has the potential to minimize costs of manufacturing broad area cooled storage vessels, maximizing reproducibility while minimizing manual labor hours required to manufacture such tanks, and is easily scalable to larger tank sizes.

On-orbit propellant storage for Lunar Gateway ISRU for lunar lander and ascent modules ISRU for Mars missions ISRU for small body / asteroid missions General-use propellant depots for Earth orbit, Earth-Moon operations, interplanetary operations

Cryogenic fuel/oxidizer storage for UUV power systems

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