Servo Specs, Reviews, & Comparison Tool
Graupner C 4421 Servo
Specifications
| Last Updated: | 2025-08-07 |
| Modulation: | Analog |
| Torque: |
4.8V: 118.00 oz-in (8.50 kg-cm) |
| Speed: |
4.8V: 0.13 sec/60° |
| Weight: | 1.59 oz (45.1 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 4421 is a premium analog servo, likely housed in a standard-sized case, that is engineered to deliver a superior, well-rounded performance profile. As a part of Graupner's high-quality C-series, it is designed for the discerning hobbyist who wants a single, reliable, and high-performing servo type for their .40 to .90 size sport, scale, or aerobatic aircraft. The C 4421 offers an excellent blend of speed and torque, but its main feature is the characteristic Graupner smoothness and precision, resulting from high-quality components and tight manufacturing tolerances.
- The character of the C 4421 is that of a versatile, premium workhorse. It is a servo that can be used with confidence in any control position on a high-quality model, providing a consistent, refined, and authoritative feel. It is for the pilot who takes great pride in their aircraft and wants to equip it with components that reflect that same commitment to quality and performance. It is a trusted, long-lasting servo that enhances the entire flying experience.
- In robotics, the Graupner C 4421 is an excellent choice for projects that require a high degree of reliability and smooth operation. Its quality construction makes it ideal for the primary actuators of a robot intended for competitions or public demonstrations, where failure is not an option. Its balanced performance makes it a versatile building block for a wide range of robotic arms, walkers, and mobile platforms, offering a clear step up in quality from entry-level servos.
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