Figure 15-21. Computerized Timing Control System

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Figure 15-20. Centrifugal Timing Controls.

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TM-9-8000 Principles of Automotive Vehicles Manual

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Figure 15-22. Typical Magneto System.

TM 9-8000

Figure 15-21. Computerized Timing Control System

Section II. MAGNETO IGNITION SYSTEMS

within the magneto by relative movement between a coil

15-9.

General (Fig. 15-22).

and the poles of a permanent magnet.

a. Ignition of the fuel-air mixture in the combustion

b. The problem In magneto Ignition is to generate a

chamber of the gasoline engine requires an electric

spark of sufficient voltage to Ignite the fuel-air mixture

spark. The electric spark can be produced In two ways:

Instantly and to synchronize the spark with the engine

by magneto Ignition or by battery Ignition. The magneto

cycle so that maximum power will be realized from the

is a compact combination of generator, Ignition coil, and

combustion. The fundamental units are listed below:

distributor. It requires no battery. Voltage is Induced

TA233601

15-18