I've kept a pretty low (online) profile of what I'm building, but word's getting out.

My company Astro Mechanica has invented a new kind of jet engine. Unlike any existing engine, it's efficient at every speed. Because it's efficient at every speed, we can use it in a new way:… pic.twitter.com/YecrslCiPZ

— Ian Brooke (@k2pilot) February 29, 2024