J3 Navy Cub Instruction Manual
7
CENTER OF GRAVITY
Attach the tailplane bracing struts using the supplied 2.6x20mm screws.
Slide the propeller onto the motor shaft, then the washer and finally screw on the
domed threaded spinner using a tommy bar.
1. Check wings and control surfaces for alignment and damage. Check all connections to the
control surfaces, check all screws and glue joints.
2. Check the propeller, adaptor and undercarriage.
3. Check the H-King Navy Cub’s Centre of Gravity. (CoG)
4. Always turn your transmitter on before powering up your RC plane.
9
10
PRE-FLIGHT CHECK
C of G is 65mm from
the wing leading edge.










