THUNDER TIGER Titan Raptor 50 Size 3D Heli Assembly & Maintenance Manual page 23

Engine Throttle Control Linkage
Mount the steel linkage ball to the outer hole on the plastic throttle arm. At full throttle stick, the
carburetor hole should open completely. At low throttle and with the throttle trim all the way down,
the carburetor hole should close completely. Adjust the ATV function in your transmitter to achieve
the above requirement. Listen to the servo, it should not make any binding noise. Try keep the
throttle ATV between 90% and 110%. If your radio does not have ATV, then adjust the location
of the steel link ball on the throttle servo horn to get the correct throttle travel.
THROTTLE CLOSE THROTTLE FULLY OPEN
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