What Is Blade Tracking-How To Buy And Modify Walkera R/C Helicopters-Plus Walkera Helicopter Reviews

What is blade tracking?

Correct blade tracking is one of the most important factors regarding a helicopter that flies well. Blade tracking can be described as the rotational path of the individual main rotor blade while spinning. Incorrect blade tracking will result in a poor flying helicopter, unnecessary vibration during flight, instability and drag on the motor, which in turn causes loss in power. So, it is very important that the blade tracking is correctly tuned for best flying results.

To check the blade tracking you must to do the following. Make sure the main rotor blades are secure in the blade holders. The rotor blades must be color code with tracking decals on the tip of the blades. Normally red and blue. Place the helicopter on a table so that you can view the blades at eye level. Keep the helicopters skids firmly on the table with one hand. Make sure you are at a safe distance from the blades when applying the throttle.

Main rotor blade tracking illustration

As you bring the blades up to speed use the colored tracking decals to note which blade is tracking lowest. Power the helicopter down and adjust the pitch of the low blade by altering the length of the linkage between the blade holder and flybar. When you pop the linkage off from the ball joint, adjust the length of the linkage by screwing the end of the linkage in or out. This must be done in half turn increments. Pop the linkage back and do another blade tracking test. Keep on doing this process until the blade tracking is perfectly inline.

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