5 System FREE DRIVE
CargoPower installation and operation, revision - 01 30
5 System FREE DRIVE
The FREE DRIVE system
was developed in cooperation between the companies Heinzmann
GmbH & Co KG and Schaeffler AG.
An elementary feature of the system is that it no longer has a mechanical chain. Instead of a
conventional chain transmission, a generator is installed. This simulates a pedaling feeling and
feeds the electrical energy generated by pedaling into the drive system. It also replaces a torque
sensor.
Scheme System FREE DRIVE
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Proper operation of the FREE DRIVE
system requires the following:
• Batteries must have a battery management system (BMS)
• A 12 VDC power supply must be permanently available
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