Hitec HS-81 Servo Micro Universal HRC31081S
HRC31081S Hitec HS-81 Micro Servo

Hitec HS-81 Servo Micro Universal HRC31081S

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You get two choices with Hitec’s most popular servo the HS-81, resin or metal gears. A popular servo for smaller airplanes, heli’s, boats, cars and trucks, the HS-81 offers a fine balance between speed and torque.

  • Compact, lightweight design-ideal for electric airplanes and sailplanes
  • Strong, Dependable Gear Train
  • High Torque and High Speed
  • Mounts with Two Screws
This package includes:
  • One HS-81S Micro Servo with 6-3/4" connector wire.
  • One 7/8"x7/8" X-shaped servo horn
  • One 1-1/8"long straight servo horn
  • Two brass eyelets
  • Two mounting screws
  • Two servo grommets
  • One servo horn screw
Hitec, JR or Airtronics-Z radio system.

Motor Type: 3 Pole
Bearing Type: None
Speed (4.8V/6.0V): 0.11 / 0.09 sec @ 60 deg.
Torque oz./in. (4.8V/6.0V): 36 / 42
Torque kg./cm. (4.8V/6.0V): 2.6 / 3.0
Size in Inches: 1.17 x 0.47 x 1.16
Size in Millimeters: 29.72 x 11.94 x 29.46
Weight ounces: 0.58
Weight grams: 16.44

Review Summary


5 Stars performs

kc from CA wrote (March 25, 2014):

Excellent fit for mini recon better then stock good service rc planet is my #1 choice for rc supplies

5 Stars HS-82

Tommy from CA wrote (May 14, 2012):

So far,so good. Have yet to have any problems running it in my Traxxas Rally with a 2.4ghz system. Does not make the car dart, and also has no sign of slop after about 10 runs.