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MacGregor MG5921HV 20.3kg/0.12s High Voltage Servo

MacGregor MG5921HV 20.3kg/0.12s High Voltage Servo

Ref: MAC5921HV

Brand: MacGregor

MG5921HV 20.3kg/0.12s High Voltage Servo


High performance high voltage coreless digital servo

High torque and high speed

High-precision metal gears with hard anodising

Dual Bearing Support

Metal centre case to act as a heat sink

JR style lead and plug

25 tooth spline (Futaba style)



The MG5921HV is part of MacGregor's new range of high voltage digital servos. This high voltage, high torque servo has been designed for use with large scale & aerobatic aircraft.

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.


Dead band: 1µs

Working frequence: 1520µs / 330hz

Motor: coreless motor

Operating Speed (6.0V): 0.152sec/60°

Operating Speed (8.4V): 0.123sec/60°

Stall Torque (6.0V): 17.25 kg.cm (239.55oz/in)

Stall Torque (8.4V): 20.32 kg.cm (281.89 oz/in)

Dimensions: 40.5 x 20.5 x 36.5mm /1.59 x 0.80 x 1.43in

Weight: 59.3g (2.09oz)

Connector Wire Length: 265 mm (10.43in)

Bearing: 2BB

Supplied with fitting hardware and a selection of arms

Price: £33.50 (Including VAT at 20%)
RRP 36.95 - you save 9%

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