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• Once the tail rotor has begun to spin, and before lifting off, it is best to check that the tail rotor is responding
properly to transmitter inputs. When inputting a slight amount of right rudder, the tail rotor rpms should
increase, pushing the nose of the helicopter to the right. If you are on carpet, grass, or an otherwise uneven
surface, be very careful not to allow the helicopter to catch the vertical tail support or tail rotor blade when
testing the tail rotor control on the ground or during liftoff.
• If both rotor directions are correct, and the tail rotor is responding properly to rudder inputs, you can now lift
your Blade™ CP into hover to check gyro gain and tail rotor proportional mix.
Note: The throttle trim can be used to adjust the throttle and collective pitch values for a given throttle stick
position. For example, raising the throttle trim will allow the model to hover at a lower throttle stick position.
If you find your model will not lift off the ground with the throttle stick in the highest position, increasing the throttle
trim will add collective pitch. (You can also increase the pitch of the blades by adjusting the Pitch Control Links.
See the “Pitch Curve Adjustments” section on page 30 of this manual for more information.)
Note: While the 3-in-1 control unit main motor and tail motor ESCs are readily capable of handling
all in-flight power loads, and even brief momentary bursts beyond these typical loads, they can be
damaged if excessive amounts of current are pulled through them for an extended period of time.
This period of time may vary depending on conditions, so it is best to keep any momentary overloads
as short as possible in order to prevent damage to the 3-in-1 ESCs.
In the event of a crash, regardless of how minor or major, you MUST throttle back both the main and
tail motors as quickly as possible. If a crash occurs when flying in Normal Mode (with the throttle
trim increased any amount beyond the lowest setting), you will need to lower the throttle/collective
stick AND throttle/collective trim immediately to prevent damage to the ESCs. If a crash occurs when
flying in the Idle Up flight mode, you will need to switch back to Normal Mode while also lowering the
throttle/collective stick and trim immediately to prevent damage to the ESCs.
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