MacGregor MGB6928HV 28Kg/0.06s Brushless High Voltage Servo

Features:

High Performance, Standard Size, High Voltage Digital Servo

High-Precision 7075 Aluminium Gear

Long-life Potentiometer

Full CNC Aluminium Case with Anodised Purple Centre Case

High Quality Brushless Motor

Dual Ball Bearing

Waterproof

Suitable for 1/8,1/10 Nitro Car, 28-35CC Aeroplane, 700-800 Class Helicopter CCPM

Overview

The MGB6928HV is a waterproof ultra high speed and torque brushless digital servo, part of MacGregor’s range of high voltage servos designed for General use in RC Aeroplanes, Cars & Helicopters.

 

Battery chemistries such as Li-Po, Li-Ion, and Li-Fe have become very popular within the RC community. They are the standard for powering electric motors and have also gained popularity as receiver battery packs. The issue is the output voltage of these batteries is higher then the previous standard 4 – and 5-cell NiCd and NiMH packs, 4.8V and 6V respectively. The higher voltage is not an issue with the receivers but can be for the servos. Many servos will not operate at these higher voltages for very long before burning out the motors or electronics.

 

To get around this issue modellers have had to use a regulator to drop the voltage to an acceptable operating range for their servos, usually around 5 to 6 volts. The addition of a regulator adds a component that, should it fail, can cause the loss of a model.

 

MacGregor’s HV servos are designed with motors and electronics that operate off the direct voltage of a 2-cell Li-Po, Li-Ion, or Li-Fe receiver battery pack. This eliminates the need for a regulator and lowers the chance for a power failure that can cause a catastrophic failure of your model. Also note that the HV servo specs are shown at the higher voltage (8.4V 2S LiPo) but will still operate on a standard 5-cell 6V NiCd, Ni MH battery with a reduction in performance of approximately 10% in speed and torque.

 

Specifications:

Dead band: 2µs

Working frequency: 1520µs / 330hz

Motor: Brushless Motor

Gearset: Full Metal

Spline: 25T

Operating Voltage: 5.0 ~ 8.4V

Operating Speed (6.0V): 0.08sec/60°

Operating Speed (8.4V): 0.06sec/60°

Stall Torque (6.0V): 22.2kg.cm

Stall Torque (8.4V): 28kg.cm

Dimensions: 40 x 20 x 40.9mm

Weight: 69g (2.43oz)

Connector Wire Length: JR 300mm

Bearing: 2BB