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Section8. Motor Installation
Step1. Put the motor in position on the firewall
and use a felt-tipped pen to mark the locations
for mounting holes.
Remove the motor and drill four mounting
holes on the marked locations.
Step2. Use four M3x12mm self-tapping screws
to install the motor to the fire wall.
Step3. Install the 12*6 prop to the motor.
Section9. Control throws and Exponential
1.
Low/Precision Rates (in degrees and
inches) and Corresponding Exponential
Aileron:
15 degrees (0.75in) 30% Expo
Elevator:
13 degrees (1.25in) 30% Expo
Rudder:
45 degrees (3.5in) 75% Expo
2.
High/3D Rates (in degrees and inches) and
Corresponding Exponential
Aileron:
35 degrees (2in) 75% Expo
Elevator:
45 degrees (3in) 75% Expo
Rudder:
45 degrees (3.5in) 75% Expo
The above throw measurements were taken at
the aft edge of the ailerons and elevator, and
from the bottom aft edge of the rudder. Keep
in mind that even the low throws mentioned
here are relatively aggressive, so be sure to
also program the matching exponential listed
to help soften the model’s feel around center
stick.
Section10. Center of Gravity
Balance your Extra at a point 4.5in behind the
leading edge of the wing where the wing
meets the fuselage.
This is a good starting point. As you become
accustom to the aircraft, you can adjust the CG
to suit your preference.
