HS-805BB Giant Scale Servo Motor

HitecSKU: RB-Hit-32
Manufacturer #: 31805S

Price  :
Sale price ¥8,076

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Stock  :
In stock, 12 units

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  • Economical Choice in a "Monster" Analog Servo
  • Strong Three-Pole Ferrite Motor
  • Heavy Duty, Nylon Gear Train
  • Large 8mm Output Shaft with Dual Ball Bearings
  • Solid Performance and Strong Gear Train
  • Water and Dust-Resistant Case

HS-805BB Giant Scale Servo Motor- Click to Enlarge

HS-805BB Giant Scale Servo Motor Known as the “monster” servo, the HS-805BB uses a heavy duty nylon gear train and a strong 10mm, 15 tooth output shaft to generate 343 oz./in. of torque that will easily move just about any large plane, car, truck or boat!

  • 1 x HS-805BB Giant Scale Servo Motor
  • 2.59 x 1.18 x 2.26 in.


  • Operating Voltage Range (Volts DC): 4.8V ~ 6.0V
  • Speed (Second @ 60°): 0.19 ~ 0.14
  • Maximum Torque Range oz. / in.: 275 ~ 343
  • Maximum Torque Range kg. / cm.: 19.8 ~ 24.7
  • Current Draw at Idle: 8 mA
  • No Load Operating Current Draw: 520 mA
  • Stall Current Draw: 6,000 mA
  • Dead Band Width: 8 µs


  • Weight (Ounces): 5.36
  • Weight (Gram): 152.0
  • Circuit Type: HT7003 Analog MosFet
  • Motor Type: 3 Pole Carbon Brush Ferrite
  • Gear Material: Nylon
  • Bearing Type: Dual Ball Bearing
  • Output Shaft (type / Ømm): Mega 15
  • Case Material: Plastic
  • Dust / Water Resistance: Splash Proof

Radio Control Applications

  • Parkflyer: N / A
  • Sport Plane: N / A
  • Sailplane: N / A
  • 3D Performance: N / A
  • Scale: 30-40% and >40%
  • Electric Helicopter: N / A
  • Gas Helicopter: N / A
  • On Road: N / A
  • Monster Truck: N / A
  • Buggies: N / A
  • Truggies: N / A
  • Short Course / Truck: N / A
  • Crawlers: N / A

Customer Reviews

Based on 23 reviews
Great product great service

Great product for autonomous systems, well documented, Great services from Robotshop, always best price and fast shipping Thank you

Ainul R
High Torque, Easy to Drive, Fast Shipping

Thank you for fast process and ship my order

Very good

This is a very good servo motor

fast shipping

packed ok, fast ship will buy more

Powerful servo

I bought the Lynxmotion Large Pan / Tilt Kit - No Servos (Black) with the suggested HS-805BB Giant Scale Servo Motor and HS-645MG Servo Motor. They work great together. I am using them as the pan tilt mechanism on a HO scale self unloading coal ship.

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