HobbyKing HK28013DMG - Mi Digital High Torque MG Servo

Specifications

Last Updated:	2024-11-02
Modulation:	Digital
Torque:	4.8V: 58.33 oz-in (4.20 kg-cm) 6.0V: 69.44 oz-in (5.00 kg-cm)
Speed:	4.8V: 0.13 sec/60° 6.0V: 0.11 sec/60°
Weight:	0.92 oz (26.1 g)
Dimensions:	Length:1.40 in (35.6 mm) Width:0.59 in (15.0 mm) Height:1.24 in (31.5 mm)
Motor Type:	Coreless
Gear Type:	Titanium
Rotation/Support:	Dual Bearings
Rotational Range:	(add)
Pulse Cycle:	(add)
Pulse Width:	(add)
Connector Type:	(add)

This product has been discontinued.
"Mi" stands for magnetic induction. This servo uses a magnetic rotary encoder in place of a traditional potentiometer.

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qwerty

November 22, 2016

Rating:

Application(s): Quad

Comments: 1 Copper gear.
Egg Man

January 7, 2013

Rating:

Application(s): Helicopter

Comments: I have to retract my statement above about these being compatible with 9650/9257 cases. The top cap is almost, but not exactly the same and if you put a 9257 top cap on it it will cause drag on the gear train. The middle section of the case is also designed differently because of the magnet attached to the output shaft.
Egg Man

November 14, 2012

Rating:

Application(s): Helicopter cyclic.

Comments: Case and gears are compatible with the 9257/9650 There is a slight bit of tolerance in the recess for the top ball bearing that allows the output shaft to rock back and forth about 0.3mm however this isn't enough to cause problems with flight performance. They work well as cyclics in a flybarless 500 size helicopter and can handle high gyro gain without causing "the shakes". Uses a hall effect sensor chip on the board and a magnet on the output shaft instead of a pot. The output shaft does not have (or need) a stop.