Weighing only 19.5 g it is a great servo for glider elevator & rudder and heli cyclic & tail rotor. Also popular on RC EDF jets. The KST DS215MG HV is designed for use with a 2S LiFe or 2S LiPo battery. Do not use on a 5V supply. It is the high voltage replacement of the acclaimed KST DS115MG servo.
| KST DS215MG Servo Specifications | ||
|---|---|---|
| Body dimensions | 23.0 mm wide x 12.0 mm thick x 27.5 mm high | 0.91″ wide x 0.47″ thick x 1.08″ high |
| Max dimensions | 32.0 mm wide x 12.0 mm thick x 32.0 mm high | 1.26″ wide x 0.47″ thick x 1.26″ high |
| Stall torque (6V) | 3.1 Kg.cm | 43 oz.in |
| Stall torque (7.4V) | 3.7 Kg.cm | 51 oz.in |
| Stall torque (8.4V) | 3.7 Kg.cm | 51 oz.in |
| Weight | 20 g | 0.71 oz |
| Lead length | 20 cm | 7.9 in |
| Operating speed (6V) | 0.06 sec/60° | |
| Operating speed (7.4V) | 0.05 sec/60° | |
| Operating speed (8.4V) | 0.05 sec/60° | |
| Operating voltage | 6V to 8.4V | |
| Operating temperature | -10 to 60 °C | |
| Bearings | 2 Ball bearings | |
| Gear material | Aluminium alloy / copper-bronze alloy | |
| Case material | CNC machined 6061 aluminium | |
| Motor type | Coreless DC motor | |
| Working frequency | 333 Hz | |
| Dead band/resolution | µs | |
| Pulse width for ± 60º | 800-2200 µs | |
| Digital | Yes | |
| Programmable | No | |
| Position feedback | Potentiometer | |
| Supplied accessories | 3 plastic output arms, 1 arm retaining screw, 2 mounting screws | |
| Optional accessories | KST Plastic Servo Arm Set | |
Note the servo packaging gives a lower voltage range of 6V to 7.4V. This is a printing error and the manufacturer has confirmed the servos are fine operating from unregulated 2S LiPo battery.














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