Pull Copter

This pull copter has all the bells and whistles with a perfect light weight toroidal propeller, and it is fully 3D printed meaning there is no need for and glue, bearings or lubricant it also can fly for up to 11 seconds with a good pull.Assembly:Put the gear in the base with the twisty bit going out the top and the gear aligning to the hole for the rodNext Screw the securer on the base at the bottom to stop the gear falling outFinally push the rod through the hole and make sure when you pull it