Capacitor discharge ignition pressure inside the cylinder. Capacitor discharge ignition Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine-powered aircraft, and some cars. It was originally developed to overcome the long charging times associated with high inductance coils used in inductive discharge ignition (IDI) systems, making the ignition system more suitable for high engine speeds (for small engines, racing engines and rotary engines). The capacitive-discharge ignition uses capacitor discharge current to the coil to fire the spark plugs. The history of the capacitor
Michaelmas term the next academic year but one are published by the Registrar in the University Gazette during each Hilary Term. Schools in the United Kingdom and Ireland which use the name 'Michaelmas term' include: Schools in the United States which use the name 'Michaelmas term' include: Michaelmas term Michaelmas term is the first academic term of the academic year in a number of English-speaking universities and schools in the northern hemisphere, especially in the United Kingdom. Michaelmas term derives its name from the Feast of St Michael and All Angels, which falls on 29 September. The term runs from September or