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.
HS08B HV Digital Metal Gear Micro Servo 6.0Kgf.cm 0.09sec for RC Gliders is a KST Servos product selected for Glider Wing Servos, Industrial & UAV 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 | BR0023.0143 |
| All Variant SKUs | BR0023.0143 |
| Working Frequency | 1520us/333Hz, 1000us-2000us |
| Default Travel Angle | ±60° = 120° total travel |
| Ball Bearing | 2BB |
| Weight | 11g |
| KST Collections | Glider Wing Servos, Industrial, Industrial Servos, Micro Servos, HS Series |
| Series | HS Series |
| Size Class | Micro Servos |
| Application | Glider Wing Servos, Industrial & UAV Servos |
| Features | Compact and lightweight design; Excellent torque and speed; Designed for high-performance RC Gliders; Excellent heat dissipation; Ultra-slim 8mm body |
| Package Includes | 1 * HS08B HV Micro Servo; 1 * Pack of Accessories; Download; HS08 Servo Technical Specification |
| Item | HS08B HV Servo |
| Torque | 2.8Kg.cm@3.8V / 4.5Kg.cm@6.0V / 5.2KG@7.4V / 6.0KG@8.4V |
| Speed | 0.21sec/60°@3.8V / 0.13sec/60°@6.0V / 0.11sec/60°@7.4V / 0.09sec/60°@8.4V |
| Product Type | RC |
| Operating Voltage | DC3.8V-8.4V |
| Rated Speed | 0.20sec/60°@6.0V |
| Rated Current | 0.25A |
| Stall Current | 0.68A |
| Operating Temperature Range | -20°C......+65°C |
| Motor | Coreless motor |
| Size | 23.5mm*8mm*25.25mm |
Tags: KST Servos, BR0023.0143, Glider Wing Servos, Industrial & UAV Servos, Micro Servos, HS Series, Gears, RC servo
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