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If, after the first few flights, you would prefer to have even quicker and more aggressive cyclic response, you can
reposition the flybar weights so that they are closer in to the head/main shaft on the flybar. It is usually best to
move the weights in only a small distance at a time before making each subsequent test flight, until you find the
position at which you prefer the cyclic response most.
Note: It is important that the weight(s) on each side of the flybar be positioned at a distance equal
from the head/main shaft in order to prevent imbalance that could lead to vibration in the rotor head.
Dampening of the rotor head (main rotor blades) can also be adjusted in order to fine-tune the cyclic response of
your model. In general, stiffer dampening will result in quicker cyclic response. The dampening of your Blade™ CP
Pro has been set to provide a good balance of cyclic response and stability right out of the box, and we suggest
that you make your first flights with this amount of dampening before making any changes.
If, after the first few flights, you would prefer to have even quicker and more aggressive cyclic response, you can
stiffen the rotor head dampening by adding shims between the O-Ring and Step Washer on each side of the Center
Hub (See the “Exploded View” drawing and parts listing on pages 60–61 for reference). Head Dampening Shims
are available separately in packs of eight (EFLH1144), however, you should install only one shim per side at a time
before making each subsequent test flight, until you find the dampening at which you prefer the cyclic response
(and stability) most.
Note: You must always install an equal number of shims on each side of the center hub.
Note: If you install too many shims, and the dampening becomes too stiff, the helicopter can wobble
and shake in flight. Take care when making testing flights after adding shims to prevent crashing
the model as a result of a wobble or shake. Typically, we find that using 1–2 shims per side with the
stock 370 brushed main motor power system works well. More shims per side can cause the wobble
and shake. If running a power system that is capable of producing higher rotor head speeds, like the
optional 370 brushless power system, you can sometimes add even more shims before encountering
the wobble and shake. Again, exercise extreme care when test flying the model after adding shims.
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