Servo Wizard: Use the form below to find the best servos for your application.

Click on the question mark for additional information.

A servo's application refers to the function it will control – such as steering or throttle – in what type of R/C model (vehicle, aircraft, boat, etc.).
Every servo contains a small motor that, via linkages, moves a part of your model. Brushless and coreless motors use improved technology to increase power and speed.
Both analog and digital styles control servo motor speed using pulses of voltage. Digital servos do so at higher frequency, for faster, smoother acceleration and better holding power.

Click and drag slider buttons to change values.

A servo's voltage spec tells you how much battery power it can handle. Most run on 4 to 6 volts. "HV" (high voltage) servos can handle more, to produce more speed and torque.
Torque rating indicates the maximum amount of force a servo produces. The larger the number, the more pushing or pulling force the servo can exert.
This tells you how long it takes the servo wheel or arm to turn a certain number of degrees. The smaller the number, the faster the servo is.
Not surprisingly, a servo's weight increases with its size and ability to produce torque. Weight is simply one more factor to consider when choosing the right servos for your model.

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