Servo Specs, Reviews, & Comparison Tool
Graupner C 4821 - High Torque Servo
Specifications
| Last Updated: | 2025-08-07 |
| Modulation: | Analog |
| Torque: |
4.8V: 139.00 oz-in (10.01 kg-cm) |
| Speed: |
4.8V: 0.37 sec/60° |
| Weight: | 1.45 oz (41.1 g) |
| Dimensions: |
Length:1.57 in (39.9 mm) Width:0.75 in (19.1 mm) Height:1.54 in (39.1 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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Notes
- The discontinued Graupner C 4821 is a high-performance analog servo, likely featuring a powerful coreless motor, designed to provide an exceptional, well-rounded performance profile. This standard-sized servo from Graupner is for the hobbyist who wants a single, no-compromise actuator for their high-performance model. The C 4821 offers a fantastic blend of high speed and high torque, making it a superb choice for the cyclic controls on a 500 or 600-class helicopter, or for the flight controls on a high-speed .60 size aerobatic airplane. Its coreless motor provides an incredibly smooth, fast, and powerful response.
- The identity of the C 4821 is its versatile, professional-level performance. It is both fast enough for lightning-quick maneuvers and strong enough to provide a solid, unyielding feel. This makes it a favorite of top-level sport pilots and competitors who need an actuator that excels in every category. It provides a very direct, high-fidelity control feel that can help any user perform at their absolute best, backed by the legendary reliability of the Graupner brand.
- For roboticists building advanced, dynamic systems, the Graupner C 4821 is an excellent actuator. Its combination of coreless speed and high torque makes it a very capable choice for the joints of a fast-moving, high-payload robotic arm or the legs of a dynamic walking robot. It offers a level of performance that can enable the creation of more agile and capable robots that need to move with both speed and grace.
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