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Review: Hitec Digital G2 Titanium Servos

The Goods
Hitec has recently released two new high-end digital servos, the HS-7940TH (High Voltage Speed) and the HS-7950TH (High Voltage Torque). Both of these super-servos are engineered with state-of-the-art features, including durable titanium alloy metal gears, a dual ball-bearing supported output shaft, heat sink case and the ability to run on a 2-cell LiPo battery pack. One of the coolest features, however, is that both of these servos are programmable! Using one of Hitec’s Digital Servo Programmers (HFP-20, HPP-20 or HPP-21), you can tweak any of the servo’s functions, including dead band width, direction of rotation, speed of rotation, end points, neutral points, fail safe (on or off), fail safe point, resolution and overload protection. This allows you to fine tune your servo’s action no matter what application you choose to install them in. Included in the cool (and reusable) see-through container is a small bag containing a few servo accessories (for ground or flight applications), some additional screws and a blue aluminum servo arm. I removed the stock plastic arm and installed the blue aluminum one on both servos to give the titanium gear train a real workout.