Over the break, we have been continuing our work on our next (yet to be named) engine. This engine will be our second crack at a Hybrid Rocket, using liquid N2O and a solid HTPB grain. As this design work advances, we will continue working with our Orb v.1 motor as a test bed for our incremental improvements. Here’s a snippet of a prelim design of our swirl injector and welded flange assembly.