The Hitec HSB-9370TH Servo was made for the Yeti! Brushless (powered by Neu), digital, high voltage, titanium geared, 25t spline are just some of the cool features! At 7.4volts, this servo cranks at 347 oz/in of torque at a .10 sec transit time! Exactly what a hopped up Axial Yeti needs to turn some heavy-ish Vanquish Aluminum wheels.
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Here's where I got the Hitec Servo and some info from Hitec RCD:
Product Description
With ultra-efficient Neu brushless motors, titanium gear trains, low current consumption and constant output power, the HSB-93XX series of servos is the perfect match for the most discriminating pilots and racers.
Features
Programmable 12 Bit Digital Circuit
Using the DPC-10 PC interface (PN 44426) and downloadable software, users can program a variety of features in the HSB-9XXX Series including: Fail Safe On/Off and Position, direction, EPA, Speed (Slower), dead Band, and Soft Start.
Power Efficient Brushless Motor Controller
Energy efficiency is a common interest for all modelers. Our HSB-9XXX Series uses the latest control circuit technology including a regenerative braking circuit which puts power back into the battery as the motor slows. This feature, combined with ultralow current draw under sustained loads, allows our brushless servos to consume 1/5 the power of most other brushless servos on the market today.
NOTICE: Please read this service bulletin regarding Hitec brushless servos with certain RC devices.
Custom NeuMotor
Designed by Steve Neu exclusively for our HSB-9XXX Series, these high performance, brushless motors provide longstanding durability and performance.
Constant Torque Output:
Thanks to our revolutionary circuit and motor designs, the HSB-9XXX Series maintain their speed in a more consistent manner, regardless of load.
Hybrid MPD 1st Gear:
Our unique ultra-durable Metal/Plastic/duralumin hybrid first gear prevents inadvertent electrical noise from affecting other components within your aircraft or vehicle.
Industry-Leading Titanium Gear Train
Hitec was the first manufacturer to utilize low wear Titanium gears in our servos and continues to be the leader in Titanium gear technology.
25-Tooth Standard Spline
Our Brushless servos utilize a standard 25 tooth output spline for maximum compatibility with the large variety of aftermarket horn available on the market these days.
Here's where I got the Hot Racing Aluminum Servo Mount:
Here's where I got the Axial Servo Horn:
Here's the alternative Hot Racing Servo Horn: