questions & answers
In a battery ignition System, does the ignition switch have to be opened or closed for the system
to be turned on? - ANS ✔✔Closed.
In a magneto ignition System, does the ignition switch have to be opened or closed for the
system to be turned on? - ANS ✔✔Open.
Whats the Type of Voltage and current going through the primary winding? - ANS ✔✔Low
Voltage, High Amperage.
How is the winding in the primary coil? - ANS ✔✔Relatively few turns of a thick gauge wire.
Whats the Type of Voltage and current going through the Secondary winding? - ANS ✔✔High
Voltage, Low Amperage.
How is the winding in the secondary coil? - ANS ✔✔A lot of turns of thin gauge wire.
Is the spark produced? when the points open or when the y close? - ANS ✔✔When they're
open.
What the purpose of the capacitor? - ANS ✔✔To prevent arcing across the points
Whats another name that the FAA like to use for capacitor? - ANS ✔✔Condenser
, What are the 4 systems of a magneto? - ANS ✔✔1. Mechanical
2. Magnetic
3. Primary
4. Secondary
How many lobes does a compensated cam have? - ANS ✔✔1 for every cylinder.
What type of engine usually uses compensated cams? - ANS ✔✔Radial Engines.
How many lobes does an UN-compensated cam have? - ANS ✔✔1 for every pole.
Does a magneto produce AC or DC current? - ANS ✔✔AC current
In a magneto, what induces a high voltage into the secondary winding? - ANS ✔✔A reversal of
the magnetic field through the coil core.
In a low tension magneto, how many high tension transformers are there? - ANS ✔✔1 for every
spark plug
Low tension magneto systems were created to prevent what 2 conditions? - ANS ✔✔1. Flash
over.
2. Carbon tracking.
What do you call the process of setting the points to open at E-gap position? - ANS ✔✔Internal
timing.
What do you call the process of setting the mag to fire at the correct rotation of the engine? -
ANS ✔✔External timing,