Pull Copter

I had the idea to make this model after seeing the extremely popular Pull Copter Finger Ring by agepbiz, sadly I soon realized it contained 5 parts and needed screws so I set to work redesigning the pull copter and optimizing all aspects of it, here are some of the many features: 3 parts: This is the minimum possible parts, this makes the assembly super easyHelical gearing:Helical gears are smoother, quieter and cause less vibrationWider propellers:This provides more lift for only a tiny bit of