Balancing machine with cardan shaft drive and a variable speed motor. It covers a wide range of applications.The instrument is the B11 type.A couple of rigid pedestals have the function to support the rotor to be balanced resting on rollers carriages with adjustable height.Inside the pedestals bases are placed, in an appropriate way, the force transducers, piezoelectric type.It is available the double drive version, both cardan and belt drive.