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Magnetos

Magnetos. Welding and Small Gas Engines. Original Power Point Created by Eric Haselhurst Modified by Georgia Agricultural Education Curriculum Office June 2002 Edited by CTAE Resource Network February 2011. How do you get the spark?.

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Magnetos

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  1. Magnetos Welding and Small Gas Engines Original Power Point Created by Eric Haselhurst Modified by Georgia Agricultural Education Curriculum Office June 2002 Edited by CTAE Resource Network February 2011

  2. How do you get the spark? • Large engines get electricity via a battery and alternator combination. • Lawnmowers for example, get electricity from a magneto. • You need electricity to create the spark for the combustion process.

  3. Magneto • A magneto is an electrical generator that creates periodic high-voltage.

  4. Parts • A magneto consists of five parts: • armature • primary coil • secondary coil • electronic ignition • permanent magnets attached to the flywheel

  5. Process • When the magnets spin past the armature they induce a magnetic field. • High voltage is achieved between the second primary coils to reach the voltage for the engine to function properly.

  6. References www.howstuffworks.com

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