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.
SV08-12 SHV Coreless Metal Gear Micro Servo 8.0Kgf.cm 0.09sec/60° for RC Helicopters & Gliders is a KST Servos product selected for Glider Wing Servos, Helicopter 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.
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
A buying table for matching servo size, torque, speed, gear type and voltage to trainers, gliders, 3D aircraft, EDF jets and Giant Scale models.
Mechanical setup guide for servo arms, linkage angles, throw, control horns, neutral position and radio setup after geometry is correct.
Make an aircraft calmer for beginners by setting low rates, high rates and expo without hiding mechanical setup problems.
Failsafe setup for electric and fuel aircraft: throttle behavior, receiver signal loss, switch positions and safe verification before flight.
| Technical Specifications | |
| Manufacturer | KST Servos |
| Brand | KST |
| Product Code | BR0023.0258 |
| All Variant SKUs | BR0023.0258 |
| Rated Voltage | DC 12.0V |
| Default Travel Angle | ±60° (120° total) |
| Soft Start | Programmable |
| Programmable | Yes |
| Case Material | Aluminium Alloy |
| Motor Type | Coreless DC Motor |
| Gear Set Material | Hardened Steel Gear |
| Position Sensor | Potentiometer |
| Ball Bearing | 2BB |
| Weight | 11g ±10% |
| KST Collections | Glider Wing Servos, Helicopter Servos, Micro Servos, SV Series |
| Series | SV Series |
| Size Class | Micro Servos |
| Application | Glider Wing Servos, Helicopter Servos |
| Features | Supports 3S LiPo Direct-drive. High Voltage Input 9~13V; Dual Installation Methods; High Performance Coreless Servo; High Torque & Exceptional Speed; Hardened Steel Gear; Dual Ball Bearings; Ideal for RC Helicopters & Gliders |
| Package Includes | 1 * SV08-12 Servo; 4 * Plastic Servo Horn; 1 * Servo Horn Screw; 4 * Mounting Screw; Download |
| Item | SV08-12 Servo |
| Speed | 0.15sec/60°@8.4V, 0.10sec/60°@12.0V, 0.09sec/60°@13.0V |
| Product Type | KST |
| Operating Voltage | DC 8.4V – 13.0V |
| Torque Output | 5.0Kgf.cm@8.4V, 7.0Kgf.cm@12.0V, 8.0Kgf.cm@13.0V |
| Rated Torque | 2.0Kgf.cm@12.0V |
| Rated Speed | 0.13sec/60°@12.0V |
| Start Current | 1.18A@12.0V |
| Rated Current | 0.35A@12.0V |
| Operating Frequency | 1520μs / 333Hz |
Tags: KST Servos, BR0023.0258, Glider Wing Servos, Helicopter Servos, Micro Servos, SV Series, Gears, RC servo
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