In 2017, Eachine brought a new trend to Whoop-Land: 7x16mm motors!
The E011 frame has the same motor distance (65mm) as the Inductrix and E011 frame, but the motor mounts are 1mm wider and 1mm longer.
Most notable: the efficiency of 7mm motors in the required performance band is higher than in a 6mm motor.
That means that you can get either very long flight times with the stock motors:
Or very much increased performance with the CL-0716-17 motors, to fly faster or carry extra payload (like a ghost canopy):