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do_you_even_lurk7 karma

Cool stuff, guys! When I was an undergrad at CU Boulder, I was part of a team that used a similar laser sintering technique to make the first recorded 3D printed solid rocket fuel. Have you guys ever dabbled in printing nozzles for SRBs? It would be awesome to be able to print an entire propulsion system. That's where this type of technology needs to go!

do_you_even_lurk5 karma

Honestly, printing a nozzle would be a cake walk compared to a full liquid engine. Pretty much the only consideration would be the expansion ratio. Have you done any fatigue/cycle analysis on your printed engine vs. a traditionally manufactured engine? That research could be an undergrad research project on its own, but I'm curious if you've looked at it. Longevity and reliability is a big concern pushing into the future of space technologies.

do_you_even_lurk3 karma

That is so cool! I love this whole project. Do you have plans to carry the project forward, either yourselves or handing it off to a new group of students?