u/Charming_Cat1802

Separating SRBs Part 2

The original design’s gas release hole was too small and the engine was ejected out the back, however the booster did separate. So I made the hole bigger but it was too big so I went throught a couple design iterations and got one to work. So I flipped it vertical but it wasn’t working and I think that was for a few reasons: one the motors was a B4 not a C6 which messed with it a little bit. But the main reason was the hole was just a little too small and the tolerance on the motor mount was too fine for a 3d printer and the engine would just fire out the back. So I flipped the whole thing back horizontal and glued the engine in place and now it works. So tomorrow I will go vertical again to test it out. And if the works as intended then I will strap two of them to a rocket and go fly it in June!

u/Charming_Cat1802 — 11 days ago

I’m designing some breakaway SRB’s on 18mm motors that I hope I can use to give a little extra power to my bigger rockets. This is my first design it has an 18mm engine bay that leads into a small converging section and out of the side of the cone. In my mind this should create a powerful enough blast to break the SRB away from the fuselage. The large fin on the side is to connect it to the fuselage while in flight. I’m going to test this design this weekend. Do you think there will be any problems?

u/Charming_Cat1802 — 17 days ago