One of his more interesting builds is his series on building rocket engines out of PVC pipe written ... and sugar mixture of so many homebrew solid rockets. Instead, it uses Sorbitol, an ...

Raytheon's and Ursa Major's long-range solid rocket motor completed a successful missile flight test for the U.S. Army. A spokesman for Raytheon, an RTX business, said that the two firms' combined ...

Two US defence primes – Raytheon, an RTX subsidiary, and Northrop Grumman – have successfully tested a new long-range Solid ...

Ursa Major said it developed a new solid rocket motor from scratch in four months, and has now flown it twice in partnership with Raytheon. (Ursa Major) Raytheon and growing propulsion firm Ursa ...

A hybrid-propellant rocket is a rocket with a rocket motor that uses rocket propellants in two different phases: one solid and the other either gas or liquid. The hybrid rocket concept can be traced ...

Join our newsletter to get the latest military space news every Tuesday by veteran defense journalist Sandra Erwin. WASHINGTON — Rocket propulsion startup Ursa Major announced Dec. 18 that one ...

Raytheon and growing propulsion firm Ursa Major on Wednesday announced they have conducted successful missile flight tests with a long-range solid rocket motor for the Army. In a briefing with ...