User Manual

EN
F4U-4 Corsair 1.2m BNF Basic
14
Habu
Habu
CAUTION: Always disconnect the flight battery before performing
motor service.
Disassembly
1. Remove the spinner nut (A) from the motor shaft (B). Loosen the spinner
nut by using a small screw driver or hex wrench inserted into the small
hole.
2. Remove the front hub (C), propeller (D) and back hub (E) from the motor
shaft.
3. Using a Phillips screwdriver, remove the four (4) 2 x 8mm self tapping
screws (F) and the dummy motor (G) from the fuselage.
4. Using a Phillips screwdriver, remove the four (4) 2.6 x 15mm self tapping
screws (H) and the motor (I) with the X-mount from the fuselage.
5. Disconnect the motor wires from the ESC wires.
6. Using a Phillips screwdriver, remove the four (4) M3 x 6 countersunk ma-
chine screws (J) and motor from the X-mount (K).
Assembly
Assemble in reverse order.
• Correctly align and connect the motor wire colors with the ESC wires.
• Install the propeller with the size numbers (10.5 x 8) facing forward.
• Tighten the spinner nut to secure the propeller into place.
Motor Service
A
C
G
I
B
H
F
E
Problem Possible Cause Solution
Oscillation
Damaged propeller or spinner Replace propeller or spinner
Imbalanced propeller
Balance the propeller. For more information, view John Redman’s propeller balancing video at
www.horizonhobby.com
Motor vibration Replace parts or correctly align all parts and tighten fasteners as needed
Loose receiver Align and secure receiver in fuselage
Loose aircraft controls Tighten or otherwise secure parts (servo, arm, linkage, horn and control surface)
Worn parts Replace worn parts (especially propeller, spinner or servo)
Irregular servo movement Replace servo
Inconsistent flight
performance
Trim is not at neutral If you adjust trim more than 8 clicks, adjust the clevis to remove trim
Sub-Trim is not at neutral No Sub-Trim is allowed. Adjust the servo linkage
Aircraft was not kept immobile for 5
seconds after battery connection
With the throttle stick in lowest position. Disconnect battery, then reconnect battery and keep
the aircraft still for 5 seconds
Incorrect response
to the AS3X Control
Direction Test
Incorrect direction settings in the
receiver, which can cause a crash
DO NOT fly. Correct the direction settings (refer to the receiver manual), then fly
D
Wiring not shown
J
K
AS3X
®
System Trouble Shooting Guide
The table to the right shows the factory settings for the control horns and
servo arms. Fly the aircraft at factory settings before making changes.
Factory Settings for the Control Horns and Servo Arms
Horns Arms
Elevator
Elevator
Flaps
Tail wheel
Elevator
Flaps
Tail wheel
Ailerons
Elevator
Flaps
Tail wheel
Elevator
Flaps
Tail wheel
Flaps
Elevator
Flaps
Tail wheel
Elevator
Flaps
Tail wheel
Rudder
Elevator
Flaps
Tail wheel
Elevator
Flaps
Tail wheel