E-flite P-51D Mustang BNF Basic - Manual (Page 13)

EN
Problem Possible Cause Solution
Oscillation
Flying over recommended
airspeed
Reduce air speed
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 fl ight
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 im-
mobile for 5 seconds Power off and on the ESC while keeping the aircraft still for 5 seconds with throttle stick in lowest posi-
tion
Incorrect response
to the AS3X Control
Direction Test Incorrect direction settings
in the receiver, which can
cause a crash
DO NOT fl y. Correct the direction settings (refer to the receiver manual), then fl y
Troubleshooting Guide AS3X
13