Product overview
The cysmodel CYS-S2820 20Kg is a digital servo intended for steering and throttle in 1/10 model cars, as well as model boats and fixed-wing aircraft. Its physical construction combines an all-metal housing, a coreless motor and dual bearings, with a 25T output spline. The body measures 40*20*41.4mm, and its 300mm lead provides the electrical connection. It is described as waterproof. The product is a servo component for integration into a model’s control mechanism.
Integration requires a 6.0-7.4V supply and PWM control with a 1500usec neutral position. Travel is 90° total, or 45° each side, with reverse operation over 1000usec ~ 2000 usec. At 6.0V, torque is 16kg.cm and no-load speed is 0.16sec/60°; at 7.4V these become 18kg.cm and 0.14sec/60°. The overview additionally gives 18Kg.cm ~ 20Kg.cm torque and 71g±1g weight, while the detailed weight is 72g. Gear descriptions differ between steel and titanium, leaving the material specification inconsistent.
Specifications
| Specification | Value & conditions |
|---|---|
| Model and application class | Cysmodel CYS-S2820 20Kg digital, coreless, all-metal standard servo for model cars, boats and fixed-wing aircraft. |
| Servo type | Digital |
| Weight | 72g |
| Dimensions | 40*20*41.4mm |
| Control method | PWM signal control; neutral position 1500usec |
| Operating voltage | 6.0-7.4V |
| Temperature range | (-)10 to +50 ° |
| No-load speed at 6.0V | 0.16sec/60°At 6.0V; no load. |
| No-load speed at 7.4V | 0.14sec/60°At 7.4V; no load. |
| Torque at 6.0V | 16kg.cmAt 6.0V. |
| Torque at 7.4V | 18kg.cmAt 7.4V. |
| Operating angle | 90° total; 45° to either side |
| Operating direction and pulse range | Reverse; range 1000usec ~ 2000 usec |
| Standby/no-load current at 6.0V | 20mA/120mAAt 6.0V; standby/no-load operation respectively. |
| Standby/no-load current at 7.4V | 20mA/ 150mAAt 7.4V; standby/no-load operation respectively. |
| Stall current | 2.8A/3.0AStalled. |
| Deadband | 2usec |
| Motor type | Coreless |
| Bearing arrangement | Dual bearings |
| Output spline tooth count | 25T |
| Gear type | Titanium gears |
| Lead length | 300mm |
| Overview torque range | 18Kg.cm ~ 20Kg.cm |
| Overview speed range | 0.16sec ~ 0.14sec/60 ° |
| Overview voltage range | 6.0Volts ~7.4Volts |
| Overview weight | 71g±1g |
| Housing and feature-description gears | All-metal housing, coreless motor and steel gears in the feature description; the gear specification separately identifies titanium gears. |
| Intended uses and waterproof construction | Waterproof servo for 1/10 model-car steering and throttle, model boats and fixed-wing aircraft. |
| Wire identification |
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