The file 'Balloon Rocket Engines 3D Printer Model' is (stl,pdf) file type, size is 364.7KB.
These rocket engines are of two parts: a nozzle and a valve. The engines are adjustable to achieve the best possible flight. There are two engines available:
Engine 1 - Lightweight motor with three grooves for placing fins from cardstock. PDF with fins is in files.
Merlin Engine - Functional model of the SpaceX engine.
engine1.stl | 267.9KB | |
fins.pdf | 15.5KB | |
merlinengine.stl | 655.8KB | |
valveforengine1.stl | 31.2KB | |
valveformerlin.stl | 46.7KB |