when a self sustaining speed is reached

sets starter circuit and ignition circuit ON

By the cut- off time switch.

the trembler switch or (chopper circuit) is not required in AC circuit

If too deep they will burn but if not deep enough they will not light the engine

fail to accelerate to idle speed. this is known as a hang start.

overheating

The RPM at which the engine continues without external assistance.

air turbine

switches the starting system ‘ON’. On some aircraft will prepare the aircraft electrical system for the start operation

surface discharge plug

joules

when starting or relighting the engine

has a better power to weight ratio

varies in accordance with engine and aircraft Requirements

low voltage or high voltage

the ignition is turned on, followed by the fuel.

centrifugally.

after the engine has reached a self-sustaining speed

electrically operated valves, switch controlled, from the flight deck.

an auxiliary power unit

the starting valve.

Engine lights up and reaches self-sustaining speed, but then the rpm is slow or fails to reach IDLE rpm

any stored energy in the capacitor is dissipated within one minute of the system being switched off.

starter, Ignition , fuel

low engine speed.