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.
BLS805X HV Brushless Tail Servo 7.5Kgf.cm 0.039sec for Heli 550-700
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
BLS805X HV Brushless Tail Servo 7.5Kgf.cm 0.039sec for Heli 550-700 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
- Extreme Torque and Excellent Speed
- CNC Aluminium Case
- Brushless DC Motor
- Dual Ball Bearings
- Ideal for Heli 550-700
Core Specifications
- Motor Type: Brushless DC Motor
- Ball Bearing: 2BB
- Weight: 70g±10%
- Item: BLS805X HV Brushless Tail Servo
- Operating Voltage: DC6.0V-8.4V
- Dimension: 40.5mm*20mm*38mm±0.2mm
- Torque: 5.5Kgf.cm@6.0V, 6.5Kgf.cm@7 .4V, 7. 5Kgf.cm@8.4V
- Speed: 0.048sec/60° @6.0V, 0.042sec/60°@7.4V, 0.039sec/60°@8.4V
- Temperature Range: -10℃……+65℃
- Working Frequency: 760μs/560Hz
- Case Material: Aluminum Alloy
- Position Sensor: Potentiometer
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| Technical Specifications | |
| Manufacturer | KST Servos |
| Brand | KST |
| Product Code | BR0023.0043 |
| All Variant SKUs | BR0023.0043 |
| Working Frequency | 760μs/560Hz |
| Temperature Range | -10℃……+65℃ |
| Case Material | Aluminum Alloy |
| Motor Type | Brushless DC Motor |
| Position Sensor | Potentiometer |
| Ball Bearing | 2BB |
| Weight | 70g±10% |
| KST Collections | Helicopter Servos, Industrial, Standard Servos, BLS Series |
| Series | BLS Series |
| Size Class | Standard Servos |
| Application | Helicopter Servos |
| Features | Extreme Torque and Excellent Speed; CNC Aluminium Case; Brushless DC Motor; Dual Ball Bearings; Ideal for Heli 550-700 |
| Package Includes | 1 * BLS805X HV Servo; 5 * Plastic Servo Horn; 1 * Servo Horn Screw; 4 * Rubber Grommet; 4 * Eyelet |
| Item | BLS805X HV Brushless Tail Servo |
| Torque | 5.5Kgf.cm@6.0V, 6.5Kgf.cm@7 .4V, 7. 5Kgf.cm@8.4V |
| Speed | 0.048sec/60° @6.0V, 0.042sec/60°@7.4V, 0.039sec/60°@8.4V |
| Product Type | RC |
| Operating Voltage | DC6.0V-8.4V |
| Dimension | 40.5mm*20mm*38mm±0.2mm |
Tags: KST Servos, BR0023.0043, Helicopter Servos, Industrial & UAV Servos, Standard Servos, BLS Series, RC servo