Overview
The Flashhobby CLS1227RP V1 11KG CLS Servo is a compact RC digital servo with a coreless motor, wide operating voltage (DC 6.0~8.4V), and a full aluminum CNC case designed for RC cars, airplanes, and 450 class helicopter tail/swashplate applications.
Key Features
- PWM control system (1520usec in the central point)
- Programmable PWM digital amplifier; 32-bit MCU
- Wide operating voltage: DC 6.0~8.4V
- Coreless motor; MOS drive; digital control
- High precision steel gear; straight gear type
- Dual ball bearing output shaft (2BB)
- 25-tooth output spline (25T-Ø4.95)
- Angle sensor: potentiometer
- Soft start function: included
- Mode compatible: Sanwa SSR, NB4, Futeba
- Waterproof level: IP65
Specifications
| Model | CLS1227RP (V1) |
| Control system | PWM Control (1520usec in the central point) |
| Signal type | Digital control |
| Operating voltage range | DC 6.0~8.4V |
| Operating temperature range | -20C to +70C |
| Pulse width | 500 to 2500 uSec |
| Cycle life | >one million times without load |
| Operation travel | 180° ± 5° |
| Programmable angle | Yes |
| Direction | CW |
| Driver type | Mos Drive |
| Motor type | Coreless |
| Angle sensor | Potentiometer |
| Soft start function | Included |
| Mode compatible | Sanwa SSR / NB4 / Futeba |
| Waterproof level | IP65 |
| Case material | Full Aluminum CNC (AL6061 aluminum case) |
| Gear | Steel gears |
| Gear type | Straight |
| Ball bearing | 2BB |
| Output spline | 25T (25T-Ø4.95) |
| Dimensions | 23 x 12.6 x 27.0 mm |
| Weight | 22g ± 3g (also listed as 20g ± 10g without servo horn) |
| Speed @ 6.0V | 0.106sec/60° |
| Speed @ 7.4V | 0.085sec/60° |
| Speed @ 8.4V | 0.074sec/60° |
| Standing torque @ 6.0V | 8.0kg-cm (111oz-in) |
| Standing torque @ 7.4V | 9.5kg-cm (131oz-in) |
| Standing torque @ 8.4V | 11kg-cm (152oz-in) |
| Running current @ 6.0V | 100mA |
| Running current @ 7.4V | 120mA |
| Running current @ 8.4V | 150mA |
| Dead band | 2uSec |
| Connector wire | 26AWG, 180mm, JR plug |
| Wire info | Black: Negative; Black: Positive; White: S Single |
Applications
- 1/24 scale RC monster car (SCX10.3, SCX24)
- Airplane control surfaces
- 450 class helicopter tail and swashplate
For product support and setup questions, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

The Flashhobby 1227RP coreless digital servo features a compact CNC aluminum case and standard mounting tabs for RC installations.

The Flashhobby CLS1227RP V1 servo runs on 6.0–8.4V and uses a 25T output shaft, with a compact footprint for tight installs.

The Flashhobby CLS1227RP servo uses a diamond-cut aluminum heat sink shell and supports Sanwa SSR/NB4 and Futaba modes.

The CLS1227RP V1 servo uses a 25-tooth output spline and includes a set of white servo horns and mounting screw for installation.

The CLS1227RP digital coreless servo is rated for 6.0–8.4V operation, IP65 waterproofing, and a 23×12.6×27.0 mm footprint with 25T output spline.

The Flashhobby CLS1227RP V1 coreless digital servo features a metal output spline and a compact case labeled 11KG for quick identification during installs.

The Flashhobby 1227RP coreless digital servo features a finned metal housing and an 11KG marking on the top for easy identification.

The Flashhobby CLS1227RP coreless digital servo features a compact rectangular case with four mounting tabs and a metal output spline for secure horn fitment.

Flashhobby 1227RP coreless digital servo features a finned metal case and a top spline output shaft for standard RC linkage setups.
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