To handle this, Gyrojets are spin stabilized — angled rocket nozzles would spin the bullet ... An especially interesting design feature common to all the Gyrojet launchers is the hammer itself.

Implementing DED represents a key development in metal 3D printing abilities. Unlike historical manufacturing techniques or ...

You don’t think of hobby-grade 3D printing as a good method for creating rocket nozzles. But [Mister Highball] managed to create a copper nozzle using a common printer, a kiln, and some special ...