Hitec HS-81 Standard Micro Servo

The HS-81 and HS-81MG are among Hitec’s most popular servos. Available in both resin and metal gear versions. With a fine balance between speed and torque, the HS-81’s were designed to be both economical and reliable.

Specifications

• Weight: 0.67 oz (19.0 g)
• Dimensions: 1.2 x 0.5 x 1.2 in (30 x 12 x 30 mm)
• Torque: 36 on-in (2.6 kg-cm) @4.8 V [42 oz-in (3.0 kg-cm) @ 6.0 V]
• Speed: 0.11 sec/ 60 degree @ 4.8 V [ 0.09 sec/60 degree @ 6.0 V]
• Bearing Type: None
• Motor: 3 Pole Ferrite