This is why large diameter nozzles produce stronger parts. What I’m getting at is that I like to run my nozzle temperature a little hotter than is exactly needed or even sensible. This tends to ...

as is the difference between brand-new cheap nozzles and the high-quality parts. Check out the video below and please sound off in the comments if you know how that peculiar spiral profile was ...

The company did not disclose how much the contract was for, but said it plans to use the technology on several of its rockets.