How should I go about rigger the motor/blades on a multi-rotor copter

I modeled in blender a very basic quadcopter and I am trying to figure out the best way to rig it so I can animate the motors and make them (and the blades) spin in a way that is compatible to ue4. From my understanding is that I would have to create an armature/skeleton but I am questioning on the best place to put the bones. Could someone give me any pointers or advance to rig this model?

For something mechanical like this you wouldn’t necessarily need a skeleton/rig, you could use static meshes the quadcopter body and a blade model, you would put sockets where you want to mount the blades, and you could use a rotating movement component to control the rotation of the blades in a blueprint.

Great idea!! Thanks for pointing that out!