About this 3D model

This is a high power propeller launcher with a gearbox ratio 1:4, which can produce high RPM on the propeller and it can fly on a huge distance. Detailed instructions, additional materials, and gear upgrades could be found project's page:https://www.instructables.com/id/High-Power-Propeller-Launcher/ Demo video: https://www.youtube.com/watch?v=I97ja1ZNDd8