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43 teeth Pulley w/ Belt and Idlers
OmschrijvingMaybe you already discovered that the stock tail rotor gear ratio of king 2 is not fast enough. It is only 1 to 3.2 (32t belt pulley and a 10t tail rotor gear). That means when the main blade rotates 1 cycle, while the tail blade rotates 3.2 cycles. Users are complaining that the tail is not stable and will yaw or drift when throttle up; it is because the tail blades are not generating enough wind force under this low gear ratio.
A 43 teeth belt pulley will increase the tail speed ratio to 1 to 4.3. This is a common ratio that using in many popular helicopters. With this new pulley, you will feel the tail of helicopter is more solid and locked.
43 teeth belt pulley increase the tail rotor speed ratio from 1:3.2 to 1: 4.3
With this faster ratio, the tail rotor is rotating faster and generate a bigger wind force
The yaw or drift of the tail when throttle up is greatly reduced, it is a must get upgrade of king 2.
This pulley must used with the longer belt provided.
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