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.
BLS915 V8.0 Brushless HV Metal Servo 25Kgf.cm 0.07sec/60° for 600-700 Class Helicopters and 3D Aerobatics
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BLS915 V8.0 Brushless HV Metal Servo 25Kgf.cm 0.07sec/60° for 600-700 Class Helicopters and 3D Aerobatics is a KST Servos product selected for 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.
Key Advantages
- Hardened Steel Gears
- Extreme Torque and Excellent Speed
- Programmable
- CNC Aluminium Case
- Brushless DC Motor
- Ideal for 600 to 700 Class Helicopters
Core Specifications
- Motor Type: Brushless DC Motor
- Gear Set Material: Hardened Steel
- Case Dimensions: 40.5mm*20mm*38mm±0.2mm
- Weight: 70g±10%
- Item: BLS915 V8.0 Brushless Servo
- Operation Voltage(rated): DC7.4V
- Operation Voltage Range: DC6V-8.4V
- Torque: 18Kgf.cm@6.0V, 22Kgf.cm@7.4V, 25Kgf.cm@8.4V
- Speed: 0.09sec/60°@6.0V, 0.08sec/60°@7.4V, 0.07sec/60°@8.4V
- Working Frequency: 1520us/333Hz (Default), 760us/560Hz (Programming Tool Required)
- Default Travel Angle: ±50°=100°when1000us-2000us
- Soft Start: Programable
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| Technical Specifications | |
| Manufacturer | KST Servos |
| Brand | KST |
| Product Code | BR0023.0134-V8 |
| All Variant SKUs | BR0023.0134-V8 |
| Working Frequency | 1520us/333Hz (Default), 760us/560Hz (Programming Tool Required) |
| Default Travel Angle | ±50°=100°when1000us-2000us |
| Soft Start | Programable |
| Programmable | Yes |
| Case Material | Aluminum Alloy |
| Motor Type | Brushless DC Motor |
| Gear Set Material | Hardened Steel |
| Position Sensor | Potentiometer |
| Case Dimensions | 40.5mm*20mm*38mm±0.2mm |
| Weight | 70g±10% |
| KST Collections | Helicopter Servos, Industrial, Standard Servos, BLS Series |
| Series | BLS Series |
| Size Class | Standard Servos |
| Application | Helicopter Servos |
| Features | Hardened Steel Gears; Extreme Torque and Excellent Speed; Programmable; CNC Aluminium Case; Brushless DC Motor; Ideal for 600 to 700 Class Helicopters |
| Package Includes | 1 * BLS915 HV Metal Servo; 5 * Plastic Servo Horn; 1 * Servo Horn Screw; 4 * Rubber Grommet; 4 * Eyelet |
| Item | BLS915 V8.0 Brushless Servo |
| Torque | 18Kgf.cm@6.0V, 22Kgf.cm@7.4V, 25Kgf.cm@8.4V |
| Speed | 0.09sec/60°@6.0V, 0.08sec/60°@7.4V, 0.07sec/60°@8.4V |
| Product Type | RC |
| Operation Voltage(rated) | DC7.4V |
| Operation Voltage Range | DC6V-8.4V |
Tags: KST Servos, BR0023.0134-V8, Helicopter Servos, Industrial & UAV Servos, Standard Servos, BLS Series, RC servo