E-flight Blade CX3 MD 520N RTF, Owner'S Manual

27

28

•  After ensuring that the rods are secure in the base, adjust the positions of the attachments on the landing skids 

so that the base is centered under the main shaft of the helicopter . Once confirming the base is centered under 

the main shaft, make sure that each of the landing skids is still firmly installed in the mounts of the battery 

supports . Note that the landing skids may be pulled slightly inward under pressure of the training gear rods .

•  With the attachments, rods and base properly positioned, you can now tighten the attachment screws until they 

are just snug . Take care when tightening the screws to prevent stripping the backside of the attachments .

•  Adjust the position of the tubing keepers and plastic balls on the training gear rods so that the balls are 

positioned approximately 1/8” from the end of each rod . Be sure that the tubing keepers are positioned so that 

the plastic ball can still spin freely on the rod .

  Your Blade CX3 MD 520N is now ready for flight with the training gear installed.

Understanding the Controls

If you are not familiar with the controls of your Blade CX3 MD 520N, please take a few minutes to familiarize 

yourself with them before attempting your first flight .

The throttle stick on the transmitter controls climb/descend . When the throttle stick and throttle trim lever are in 

their lowest positions, the main rotor blades will not spin . Advancing the stick upward will increase the speed of the 

main rotor blades . Increasing the speed of the main rotor blades will cause the model to climb . 

Decreasing the speed of the main rotor blades by lowering the throttle stick will cause the model to descend .

After lifting the model off the ground you can balance the throttle by carefully moving the throttle stick up and down 

so that the model will hold a stationary hover without climbing or descending . 

You can also use the throttle trim to adjust the throttle value for a given stick position. For example, 

raising the throttle trim will allow the model to hover at a lower throttle stick position. However, if you 

do raise the throttle trim, you MUST remember to lower it (and the throttle stick) to the lowest possible 

position IMMEDIATELY in the event of a crash or rotor blade strike.
Failure to lower the throttle trim (and throttle stick) to its lowest possible position immediately in the 

event of a crash could result in damage to the main motor ESCs in the 3-in-1 unit, which may require 

replacement of the 3-in-1 unit.

Mode 2

Mode 2

Mode 1

Mode 1

Climb

Descend