The Mjölnir is a 3D printed, full-flow motor with a weight-to-thrust ratio that
“Based on the results of the NFA obtained withdesigning, 3D printing and testing the first, key component of the Mjölnir full-flow internal combustion engine in less than a year, we are delighted that National Security Innovation Capital sees huge potential in the ongoing development and completion of Mjölnir,” said NFA CEO Bill Bruner in a press release. release.
NFA's original mission founded in 2020was to "re-engineer" human flight by launching hypersonic-powered aircraft from "vertiports," not unlike Elon Musk's initial move on rocket travel back in 2017. “Aboard the NFA hypersonic jet, passengers can take off from New York in the morning, take a comfortable two-hour flight with scenic views of the planet below, land at the Tokyo heliport, do business, shop, and return home in time for dinner,” the company’s website says.
Mjolnir engine
The first step in achieving this ambitious goalis the creation of the Mjölnir engine, named after Thor's magical hammer in Norse mythology. The company hopes to develop an engine "with better reliability and safety characteristics than today's jet engines" that emits 60% less carbon and 90% less pollutants while running on liquefied natural gas.
Another new feature is thatthe engine is 3D printed, although stereolithography is more common in the hypersonic aerospace industry than is commonly believed. For example, Hermeus's Chimera hypersonic engine, which is part of the Quarterhorse project, is built using 3D printed parts.
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