In addition to the BJ CRAFT X DRIVE tested in the ETERNITY thread, BJ developed a single prop drive unit called I - DRIVE
One of the plane he had at the ARGENTINA WC was equipped with an I - DRIVE
First informations are :
Weight around 480 g
Max Power 3800w /10 sec
Max flight rpm with a carbon falcon prop : 6700 rpm
BJ developed specially an electric motor.
The I - DRIVE will be launched in a couple of months.