Roxie Matula
Roxie Matula voted up sherlin smith's answer

The magneto is the white block in the following photo (this is the magneto for a chain saw):

The idea behind a magneto is simple. It is basically an electrical generator that has been tuned to create a periodic high-voltage pulse rather than continuous current. An electrical generator (or a magneto) is … Read more

Roxie Matula
Roxie Matula voted up Muddassar Memon's answer
A magneto offers pulses of electrical power to the spark plugs in several gasoline-powered inner combustion engines where batteries are not present, mainly in 2-stroke and 4-stroke engines which are usually used for motorcycles, chainsaws etc. At times they are even applied in small aircrafts or tractors. Generally in aircrafts, every cylinder has two separate … Read more