The throttle hold should be programmed
for zero throttle for electric helicopters, and
engine idle speed for fuel powered models.
Throttle hold serves three purposes for
heli pilots:
1. Model helicopters can be extremely
dangerous if the throttle is inadvertently
bumped. Throttle hold is used when
the helicopter is being prepared for flight. The general rule is never exit throttle hold
until the model is ready for flight and the pilot is at a safe distance.
2. Throttle Hold is used for intentional autorotations where the pilot can practice the
maneuver of landing the helicopter without power, using the potential energy of
the model.
3. Throttle Hold is a safeguard when things go wrong.
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