Hitec Standard Servo, HS-311

The Hitec HS-311 (HRC31311S) is a reliable and economical standard analog servo designed for a variety of radio-controlled (RC) applications. Featuring precise resin gears and surface-mount technology (SMT) circuitry, it offers dependable performance at an affordable price point.

Key Features:

• Motor Type: 3-pole ferrite motor

• Gear Material: Durable nylon

• Bearing Type: None

• Output Shaft: Standard 24-tooth spline

• Case Material: Plastic

Performance Specifications:

• Operating Voltage Range: 4.8V to 6.0V

• Speed (at 60°): 0.19 sec at 4.8V / 0.15 sec at 6.0V

• Stall Torque: 42 oz-in (3.0 kg-cm) at 4.8V / 51 oz-in (3.7 kg-cm) at 6.0V

• Dead Band Width: 5 µs

Physical Specifications:

• Dimensions: 1.57 x 0.78 x 1.43 inches (40.0 x 20.0 x 36.5 mm)

• Weight: 1.51 oz (43 g)

Applications:

The HS-311 is suitable for various RC models, including sport planes (50–64 oz), scale aircraft, and 1/8th scale on-road and off-road vehicles such as buggies, truggies, and monster trucks. Its compatibility with multiple receiver brands—thanks to its universal connector—makes it a versatile choice for hobbyists and beginners alike.

Overall, the Hitec HS-311 servo delivers solid performance and reliability, making it an excellent option for those seeking a cost-effective solution for their RC projects.