
Starting
263
6.3.4 Integrated starters
A device called a ‘dynastart’ was used on a number of vehicles from the 1930s
through to the 1960s. This device was a combination of the starter and a
dynamo. The device, directly mounted on the crankshaft, was a compromise
and hence not very efcient.
The method is now known as an Integrated Starter Alternator Damper (ISAD).
It consists of an electric motor, which functions as a control element between
the engine and the transmission, and can also be used to start the engine and
deliver electrical power to the batteries and the rest of the vehicle systems. The
electric motor replaces the mass of the ywheel. ...