How does ignition advance increase as RPM increases?
RE: ignition advance as RPM increases. The advance rate is not linear to rpm. The advance does not always increase with rpm, and at very high rpm, some engines respond to some top end retard. Some factors that change burn rate are, compression ratio, charge temperature, a:f ratio, fuel particle size and degree of vaporisation.
Why does the ignition warning light come on when I Rev?
The light just works as a voltage detector when used with an alternator (but I’m guessing you have a dynamo) . It shines if there is higher voltage at one end than the other – and it doesn’t care which end is higher – as long as there is a difference – current will flow and the light will glow. (I’m a Poet now!)
Why does my ignition light flicker at low speeds?
But the light does behave in slightly different ways depending on the type of generator fitted to your car. If your car is equipped with a dynamo it is normal for the light to flicker at idling speeds as this type of generator produces little or no current at low engine speeds. The light should extinguish when the engine speed is raised.
What causes the burn rate to increase at 3000 rpm?
Some factors that change burn rate are, compression ratio, charge temperature, a:f ratio, fuel particle size and degree of vaporisation. Typically at around 3000 rpm, the turbulence increases burn rate to an extent that no further advance is required.
How does engine speed affect the ignition timing?
Ignition timing is too advanced at engine speeds below that and not advanced enough at engine speeds above that. Changing the timing value up or down changes the engine speed up or down for the optimum ignition timing. The engine speed operating range affects where the timing is the best.
RE: ignition advance as RPM increases. The advance rate is not linear to rpm. The advance does not always increase with rpm, and at very high rpm, some engines respond to some top end retard. Some factors that change burn rate are, compression ratio, charge temperature, a:f ratio, fuel particle size and degree of vaporisation.
Is the ignition timing too advanced or too advanced?
Ignition timing is too advanced at engine speeds below that and not advanced enough at engine speeds above that. Changing the timing value up or down changes the engine speed up or down for the optimum ignition timing.
What happens when you change the ignition value?
Changing the timing value up or down changes the engine speed up or down for the optimum ignition timing. The engine speed operating range affects where the timing is the best. Increasing the timing advance raises the high-end power, reducing the low-end. Decreasing the timing advance raises low-end power, reducing the high-end.