How can this quadcopter be so stable having its propellers so close to the center CG. Isn't this suppose to affect its balance?
Here is an image with a top and bottom view, you can see how the props cover almost half the fuselage:
By comparison this is an image of a typical quadcopter drone. As can be seen, the props are more far away from the CG and the props don't overlap the fuselage:

