Dozens of 3D printed rockets are on display in his classroom. Each fifth grader will launch theirs into the sky on Rocket Day. "My hope for them is, when they leave my classroom, that they have an ...

Hybrid rocket engines offer perks from both worlds, with simple solid fuel and the ability to throttle down by regulating oxidizer flow. Naturally, [Integza] decided he should try and 3D print one.

This arrangement leads to a few complicated welding and machining processes, but surprisingly these obstacles can be overcome by simply printing a rocket engine on a 3D printer. The current engine ...

Firehawk Aerospace, headquartered in Addison, Texas, is bringing new technology and processes to the rocket motor market. “We ...

Co-founder and CEO Srinath Ravichandran explained that it takes 72 to 75 hours to 3D print one of these rocket engines in raw form. The startup can produce two fully finished engines per week ...