How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
X15-1208 Mini Coreless Cyclic HV Servo 13.5Kgf.cm 0.07sec for RC Helis
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
X15-1208 Mini Coreless Cyclic HV Servo 13.5Kgf.cm 0.07sec for RC Helis is a KST Servos product selected for Glider Wing Servos. This page is written for practical buying decisions, with the key fit, size, voltage and performance details organized in one place.
Use it to compare torque, speed, voltage range, construction, dimensions, weight, variants and accessory compatibility before choosing the right component for an RC aircraft, helicopter, car, glider, UAV or workshop installation.
Key Advantages
- Hardened Steel Gears
- Extreme Torque and Excellent Speed
- CNC Aluminium Case
- Two Ball Bearings
Core Specifications
- Voltage Range: DC6.0V-8.4V
- Rated Voltage: DC7.4V
- Motor Type: Coreless DC Motor
- Gear Set Material: Hardened Steel
- Case Dimensions: 35.5mm*15mm*32.5mm±0.2mm
- Weight: 40g±10%
- Working Frequency: 1520us/333Hz
- Default Travel Angle: ±50° = 100° Total
- Temperature Range: -10℃……+65℃
- Soft Start: Programmable
- Programmable: Yes
- Case Material: Aluminum Alloy
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
How to balance an RC aircraft and find the correct CG
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
Mandatory pre-flight checks for safer RC flying
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | KST Servos |
| Brand | KST |
| Product Code | BR0023.0102 |
| All Variant SKUs | BR0023.0102 |
| Rated Voltage | DC7.4V |
| Voltage Range | DC6.0V-8.4V |
| Working Frequency | 1520us/333Hz |
| Default Travel Angle | ±50° = 100° Total |
| Temperature Range | -10℃……+65℃ |
| Soft Start | Programmable |
| Programmable | Yes |
| Case Material | Aluminum Alloy |
| Motor Type | Coreless DC Motor |
| Gear Set Material | Hardened Steel |
| Position Sensor | Potentiometer |
| Case Dimensions | 35.5mm*15mm*32.5mm±0.2mm |
| Weight | 40g±10% |
| KST Collections | Glider Wing Servos, Industrial, Mini Servos, X Series |
| Series | X Series |
| Size Class | Mini Servos |
| Application | Glider Wing Servos |
| Features | Hardened Steel Gears; Extreme Torque and Excellent Speed; CNC Aluminium Case; Two Ball Bearings |
| Package Includes | 1 * X15-1208 Digital Servo; 1 * Pack of Accessories; Download; X15-1208 Servo Technical Specification |
| Product Type | RC |
Tags: KST Servos, BR0023.0102, Glider Wing Servos, Industrial & UAV Servos, Mini Servos, X Series, RC servo