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The GOTECK D9018MG 11g digital micro servo is built for high precision, durability and smooth actuation in demanding RC applications. It has a full metal gear train with hard anodising and ball bearings, which the listing says gives exceptional strength, reduced gear wear and a longer life than plastic-gear servos.
Despite its compact 11g size, it delivers extra-large torque, low noise, stable operation and excellent linearity, which makes it suitable for RC fixed-wing aircraft, helicopters, drones, RC vehicles, robots and intelligent control systems.
Built-in protection logic automatically reduces the current and cuts the power if a locked-rotor situation exceeds preset limits, preventing overheating or damage.
Full metal gear construction: hard-anodised gears prevent gear stripping.
Ball bearing support: smooth, low-friction performance.
High-precision digital control: accurate, stable and vibration-free.
Extra-large torque: 1.8kg.cm at 4.8V and 2.2kg.cm at 6V.
Low noise: quiet, smooth movement.
Intelligent protection: overload and locked-rotor protection prevents burn-out.
Wide control range: 500-2500us signals with accurate 180 degree movement.
A hobby servo combines a small motor, a gearbox and a position sensor with control electronics. You send it a pulse every 20 milliseconds or so, and the width of the pulse tells it where to go: about 1.5 milliseconds is centre, with roughly 1.0 and 2.0 milliseconds at the ends. The servo drives its output shaft until the sensor says it has reached the commanded position, then holds it against the load.
Digital servos process the signal with a microcontroller and drive the motor at a much higher rate than analogue servos, which gives faster response, a smaller dead band and stronger holding torque. Metal gears cope better with shock loads than plastic ones, and ball bearings keep the shaft smooth and reduce wear.
Always power a servo from a supply that can deliver its peak current, not from a weak receiver port, and keep the linkage free so the servo never strains against a mechanical stop. A stalled servo draws a large current and can overheat within seconds.
RC planes and fixed-wing control surfaces
Helicopters and drones
RC cars, boats and robotics
Toys and automation systems
Small and mid-sized RC builds
The specification table lists a DC motor, metal gears, a POM case, a top ball bearing, an operating temperature of -20 to +60 degrees C, a working voltage of 4.8 to 6V DC, a 1520us / 333Hz working frequency, a dead band width of 4us and a life of 15,000 cycles. The lead is 180mm long and 26AWG heavy duty.
Wire colours are brown for negative, red for positive and orange for the signal. The package includes the servo and servo accessories.
Brand (specification): DYS
Operating temperature: -20 to +60 C
Operating voltage: 4.8-6V DC
Working frequency: 1520us / 333Hz
Torque: 1.8kg.cm (4.8V); 2.2kg.cm (6V)
No-load speed: 0.13s/60 (4.8V); 0.11s/60 (6V)
Corner angle: 180
Weight: 11g
Size: 23 x 12.1 x 26.4mm
Dead band: 4us
Case: POM; bearing: top ball bearing
Lead: 180mm, 26AWG
1 x D9018MG full metal gear digital servo
1 x servo accessories
RC pilots and builders who want an 11g digital servo with metal gears and a ball bearing.
11g.
1.8kg.cm at 4.8V and 2.2kg.cm at 6V.
4.8 to 6V DC.
Yes, a top ball bearing.
Overload and locked-rotor protection.
180mm.
| Brand | Readytosky |
|---|---|
| Dimensions | 23 x 12.1 x 26.4 mm |
| Gear Material | Full Metal |
| Operating Voltage | 4.8-6V DC |
| Rotation Angle | 180 degrees |
| Torque | 1.8kg.cm at 4.8V; 2.2kg.cm at 6V |
| Weight | 11.000000 g |
| Selling unit | PCS |
