Graupner C 7421 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: 56.00 oz-in (4.03 kg-cm)
Speed:	4.8V: 0.15 sec/60°
Weight:	1.16 oz (32.9 g)
Dimensions:	Length:1.73 in (43.9 mm) Width:0.87 in (22.1 mm) Height:0.94 in (23.9 mm)
Motor Type:	(add)
Gear Type:	Plastic
Rotation/Support:	Dual Bearings
Rotational Range:	(add)
Pulse Cycle:	(add)
Pulse Width:	(add)
Connector Type:	(add)

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The discontinued Graupner C 7421 is a premium, standard-sized servo, likely featuring a high-performance digital controller and an advanced motor system, such as a coreless or brushless design. This servo is engineered for the highest levels of competition, offering an exceptional blend of speed, torque, and precision. The C 7421 is a no-compromise actuator for the most demanding applications, from the cyclic controls of a 700-class 3D helicopter to the flight controls of a giant-scale IMAC aircraft. It provides the immediate response, immense holding power, and flawless precision that professional pilots require.
The essence of the C 7421 is its ultimate, state-of-the-art performance. It represents the pinnacle of Graupner's engineering, designed to provide a tangible competitive advantage. Its response is instantaneous, its power is overwhelming, and its precision is perfect. It is a true instrument-grade component for those who are competing at the national and world levels, and who need a control system that can match their world-class skills.
In the most advanced fields of robotics and research, the Graupner C 7421 is a premier choice. Its incredible performance makes it suitable for the most challenging tasks, such as the joints of a highly dynamic humanoid robot or the control systems for a professional unmanned aerial vehicle (UAV). It is a servo for mission-critical applications where the absolute best in speed, power, and reliability is the only option.