This E-book is intended to assist in the modification of JXD331 Cobra 3 Channel RC Helicopter and we have attempted to ensure this website is as accurate as possible. However, SpeedUpRCHelicopter.com accepts no responsibility for any loss, injury or inconvenience sustained by anyone resulting from this information.

Please be careful of the helicopter rotor blades as it can cause injury to the eyes and you are encourage to wear a goggle during the modification.


3 channel rc helicopter book