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HS-815BB Servo

  • HS-815BB side view
  • HS-815BB top view
  • HS-815BB in box
  • HS-815BB included hardware
  • HS-815BB included y-harness
  • HS-815BB (left) shown next to a standard size servo
  • HS-815BB back view
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The HS-815BB Mega sail arm servo is able to rotate up to 140 degrees on most r/c transmitter and receiver packages.  The servo comes with a Heavy Duty 4.9 inch arm commonly used for r/c sailboats. With its dual ball bearing supported output shaft the HS-815BB will provide years of reliable service in larger sailboat applications.

Dimensions 2.59" x 1.18"x 1.26" (66 x 30 x 57.6mm)
Product Weight 5.6 oz. (152g)
Output Shaft Style 15 tooth (D1) spline
Voltage Range 4.8V - 6.0V
No-Load Speed (4.8V) 0.48sec/140°
No-Load Speed (6.0V) 0.38sec/140°
Stall Torque (4.8V) 274.96 oz/in. (
Stall Torque (6.0V) 343.01 oz/in. (
Max PWM Signal Range (Standard) 920-2105μsec
Travel per µs (out of box) .169°/μsec
Max Travel (out of box) 200°
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Current Drain - idle (4.8V) 8mA
Current Drain - idle (6.0V) 8.7mA
Current Drain - no-load (4.8V) 700mA
Current Drain - no-load (6V) 830mA
Continuous Rotation Modifiable Yes
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 8µs
Motor Type 3 Pole Ferrite
Potentiometer Drive Indirect Drive
Internal Feedback Style 5KΩ Potentiometer
Output Shaft Support Dual Ball Bearings
Gear Type Straight Cut Spur
Gear Material Nylon
Wire Length 11.81" (300mm)
Wire Gauge 22AWG

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