FUTABA 6J Instruction Manual page 85

Drive gears within a servo which are made of one or multiple metal types. Metal gears tend to wear more
rapidly than nylon gears when in the same installation, and so require more frequent service to maintain
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shock.
‡ Mixing
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model and determining the direction and amount of elevator throw required to correct for this change, a
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‡ NiCd = Nickel Cadmium battery
Rechargeable batteries which are typically used as power for radio transmitters and receivers.
‡ Nitro = Nitromethane
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results. Nitro content in fuel is indicated by the percent of the fuel.
‡ Nose Gear
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‡ Nylon gears
Drive gears within a servo are made of nylon. Nylon gears show slower wear than metal gears, but are more
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‡ PPM
Pulse Position Modulation.
‡ Peak
This is the point at which a battery will no longer accept a charge, and converts the energy to heat. This is
damaging to the battery pack, and potentially hazardous.
‡ Peak Charger
This type of charger will eliminate the guesswork. When the battery has reached peak, the charger reverts to
a maintenance charge rate, which will not damage the pack.
‡ Pitch Axis
The airplane axis controlled by the elevator. Pitch is illustrated by holding the airplane at each wingtip.
Raising or lowering the nose is the pitch movement. This is how the climb or dive is controlled.
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