The HS-81 is one of  Hitec’s most popular servos. With a fine balance between speed and torque, the HS-81  was designed to be both economical and reliable.

Specifications:

• Motor Type :  3 Pole Ferrite 
• Bearing Type : None     
• Torque 4.8/6.0v :  2.6 / 3.0 kg. 
• Speed 4.8/6.0v :  0.11 / 0.09 second 
• Size :  30 x 12 x 30 mm 
• Weight -  Nylon 16.6 g. / Metal 19 g.

Replacement Parts:

• Nylon Gears -   56403
• Metal  Gears – 56386
• Case Set -  56404
• Horn Set -  56326