Ground Effect; Free Flying Training - Carson SA315 B Lama Instruction Manual

h. Ground Effect
ATTENTION!
Up to a height of about 30 cm,
the model is in the area of
influence of the air turbulence
caused by its own rotors.
On one hand, this "ground effect" facilitates the
lift off of the helicopter since the air pressed
downwards by the rotors of the helicopter helps
lift the aircraft from the ground.
But in the immediate area this effect is reversed,
since the air flowing away laterally from the
helicopter creates an underpressure and the
model is actually sucked back down towards the
ground. This can lead to an ungentle landing.
For this reason the flight behaviour of the model at low heights
is rather unstable. If the restless flight behaviour causes
difficulties for you, increase the flying height by degrees.
i. Free Flying Training
The helicopter is no longer in the area of influence of the air
turbulence from its own rotors as of a flying height of about 2 m
and the flight situation is more stable.
If you have mastered hover flight, begin
with simple flying formations:

Free flying training

• When you feel secure, stand laterally to the model and
practice control from this angle of view or
• Allow the model to fly toward you and control it in the
opposite direction.
• Avoid jerky load variation, since otherwise the upper and
lower rotor could touch and cause the model to crash.
• Train your command of the model, allow it to ascend and
descend, hover and move forwards and backward in the air
as well as execute turns.
• Always fly the model in front of you or allow it to circle above
you. If you allow the model to fly behind your back, you
could lose your orientation and thereby the control over the
helicopter.
Never attempt to catch the model in mid
flight!
CARSON SA315 B Lama 1:16
GB
21