Equilibrating The Model; Fastening The Rotor Blades - Carson BIG EC-135 Betriebsanleitung

Equilibrating the model

The helicopter must be correctly balanced. If there is an
incorrect location of the centre of gravity, you lose the control
over the model!
The location of the centre of gravity of the model is preset.
Corrections are only necessary if you are not satisfied with the
flight characteristics.
The centre of gravity of the helicopter-model should lie exactly
in the rotation point of the rotor axis.
Shift the airplane battery in order to determine the optimal
location of the centre of gravity.
• Hang the helicopter on the upper rotor head, in the
extension of the axis of rotation. The helicopter may not tip
forwards or backwards, no matter in which position the
principal rotor blades are located.
• If the nose drops, then the model is top-heavy. Shift the
airplane battery slightly backwards.
• If the tail sinks, shift the airplane battery forward in order to
adjust the centre of gravity.
Secure the airplane battery when you have determined the
optimal location of the centre of gravity.

Fastening the rotor blades

The rotor blades must be able to align themselves 180° to each
other solely by the centrifugal force.
• Therefore check the seating of the retaining screws (a) of the
rotor blades:
The screws may only be tightened firmly enough that the
rotor blades still fold downwards when you tip the helicopter
to the side.
Lateral equilibration
• Support the helicopter at the end of the tail beam and front
on the longitudinal axis as far as possible. To do this, remove
the cabin hood. The helicopter may not tip to one side, no
matter in which position the principal rotor blades are
located.
CARSON Helikopter BIG EC-135 507014
GB
(b)
(a)
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