image courtesy of electronic-shop.luset number: 9670
set name: LEGO® e-motor
theme: technic, mindstorms
come with an e-motor.
the motor is a 9V type with internal gearbox.
the gearing ratio is 9.5:1.
it has maximum torque of 4.5 Ncm and 800 rotations per minute.
overall design is good.
must have for technic fans.