In most aircraft the ignition switch also applies power to the starter motor during engine start.
The starter motor is usually mounted here, and engages with a ring gear on the flywheel.
Once the engine starts, the key-operated switch is opened and the solenoid opens the contacts to the starter motor.
Some aircraft turbine engines do not use compressed air to start, but instead are started using an electric starter motor.
The alternator and starter motor are mounted behind the cylinders.
When applied, it draws approximately the same current the car's starter motor would draw during cranking.
Other changes included a new starter motor, dynamo, wheel bearings, and handbrake.
It has a starter motor which has a high torque transmitted to the compressor unit.
