Graupner C 577 Servo

Specifications

Source: Most data comes from the manufacturer but some data is sourced from our loyal community.

Last Updated:	2025-08-07
Modulation:	Analog
Torque:	4.8V: 50.00 oz-in (3.60 kg-cm)
Speed:	4.8V: 0.15 sec/60°
Weight:	1.48 oz (42.0 g)
Dimensions:	Length:1.50 in (38.1 mm) Width:0.75 in (19.1 mm) Height:1.46 in (37.1 mm)
Motor Type:	(add)
Gear Type:	Plastic
Rotation/Support:	Bushing
Rotational Range:	(add)
Pulse Cycle:	(add)
Pulse Width:	(add)
Connector Type:	(add)

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The discontinued Graupner C 577 is a classic, high-quality standard-sized analog servo that has been a favorite of discerning hobbyists for many years. It is known for its exceptionally smooth operation, precise centering, and long-term reliability. The C 577 is a fantastic all-around performer, making it a superb choice for the flight controls on .40 to .60 size sport, scale, and pattern aircraft. It is also a very popular steering servo for 1/10 scale on-road cars, where its smoothness and accuracy are highly valued. The C 577 is a servo for the hobbyist who prioritizes a refined feel and quality construction.
The character of the C 577 is its legacy of smooth, reliable performance. It is a servo that is often found in the models of experienced builders who have learned to trust its consistent and predictable operation. It represents a commitment to quality over raw, unrefined power, and it enhances the flying or driving experience through its high-fidelity response. It is a true classic, respected throughout the hobby for its quality and longevity.
In robotics and animatronics, the Graupner C 577 is an excellent choice for applications where smooth, quiet, and fluid motion is required. It is ideal for creating the lifelike movements of an animatronic character or for a high-quality camera platform that needs to move without any jerkiness. It is a premium actuator for any project where the aesthetic quality of the motion is a key consideration.