Servo - Hitec HS-805BB (Giant Scale)

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This beast is the Hitec HS-805BB servo. Able to take in 6 volts and deliver an impressive 343 oz-in. of maximum torque at 0.14 sec/60°, this is a heavy duty servo and is not to be taken lightly!

This high quality servo is perfect for your mechatronic needs and if you are looking to get into robotics, this is where to start. The HS-805BB servo comes standard with a 3-pin power and control cable, Y-harness, and all hardware listed below.

Note: This servo can draw around 800mA, so keep that in mind when planning a power supply.

  • 1x HS-805BB Servo
  • 1x Y-Harness
  • 1x Circle Mega Horn
  • 1x Four Point Mega Horn
  • 1x Single Arm Mega Horn
  • 4x Rubber Grommets
  • 4x 2x15mm Phillips Screw
  • 4x Brass Eyelets
  • Voltage: 4.8-6.0 Volts
  • Torque: 274/343 oz-in. (4.8/6.0V)
  • Speed: 0.19/0.14 sec/60° (4.8/6.0V)
  • Direction: Clockwise/ Pulse Traveling 1500-1900usec
  • Rotation: 180°
  • Dual Ball Bearing
  • Heavy Duty Nylon Gears
  • 3-Pole Ferrite Motor
  • D1 Heavy Duty Spline* 66 x 30 x 57.6mm
  • Wire Length: 300mm
  • Weight: 152g

Servo - Hitec HS-805BB (Giant Scale) Product Help and Resources

Servo Trigger Hookup Guide

March 26, 2015

How to use the SparkFun Servo Trigger to control a vast array of Servo Motors, without any programming!

Hobby Servo Tutorial

May 26, 2016

Servos are motors that allow you to accurately control the rotation of the output shaft, opening up all kinds of possibilities for robotics and other projects.

Core Skill: Robotics

This skill concerns mechanical and robotics knowledge. You may need to know how mechanical parts interact, how motors work, or how to use motor drivers and controllers.

3 Robotics

Skill Level: Competent - You may need an understanding of servo motors and how to drive them. Additionally, you may need some fundamental understanding of motor controllers.
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Core Skill: DIY

Whether it's for assembling a kit, hacking an enclosure, or creating your own parts; the DIY skill is all about knowing how to use tools and the techniques associated with them.

1 DIY

Skill Level: Noob - Basic assembly is required. You may need to provide your own basic tools like a screwdriver, hammer or scissors. Power tools or custom parts are not required. Instructions will be included and easy to follow. Sewing may be required, but only with included patterns.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

3 Electrical Prototyping

Skill Level: Competent - You will be required to reference a datasheet or schematic to know how to use a component. Your knowledge of a datasheet will only require basic features like power requirements, pinouts, or communications type. Also, you may need a power supply that?s greater than 12V or more than 1A worth of current.
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Comments

Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • nickwest / about 10 years ago / 5

    I don't want to start a flame ware here, but only three countries in the world haven't officially adopted the metric system. I know Sparkfun is in the USA, but even American engineers use metric. Ounce-inches? An online search tells me it's 2.42 newton-meters, in case anyone was wondering.

    • water_arduino / about 8 years ago / 3

      As a REAL engineer in America, I have never once used English units, and I refuse to ever do so. Whoever tells you that they are disappointed in the rest of the world for not being able to convert, or too lazy to google, is either mental, too lazy themselves, or ignorant. Use common sense please. Somebody that endorses english, please tell me how it makes your life easier than metric, PLEASE!

    • Robdrech / about 10 years ago / 7

      As an engineer in America, I still use English units. I see that you got the information you needed from the internet, which probably took less time than complaining about the units.

    • Member #625597 / about 9 years ago / 2

      As an engineer in America, I am disappointed in the rest of the world if they can't figure out how to convert units, or use google to find an online calculator that will do it for them.

  • Ichbinjoe / about 11 years ago / 3

    From previous experience working with these servos, (And actually this servo specifically), I can say these things are quite powerful. Though on a side note, if you run them under high stress for awhile they do heat up slightly.

    • Member #513255 / about 9 years ago / 1

      I've got a project that appears to require more power than this servo has to offer. I have to turn the servo 55 degrees in 3 seconds or less with a load. I'm using limit switches and don't need feedback. I have tried Nema 17, Nema 23, and now this 808 servo. This servo almost does it. Can anyone suggest a motor of any kind that might work for this?

      Thanks, David

      • Member #651580 / about 9 years ago / 1

        Have you tryed using a vex robotics motor?

  • Member #513255 / about 9 years ago / 1

    Can anyone suggest a servo and driver with 2 or 3 times the power of the HS-808BB?

    Thanks, d

  • Member #558140 / about 10 years ago / 1

    Are there any ServoBlocks mounts for use with this servo?

    • Member #513255 / about 9 years ago / 1

      Hi. I would like to know the answer to that question myself. I've been looking for options to connect this 808 servo to something else. I wondered what horns came with it and looked. Oh yeah! The little round one that comes with it is exactly what I was looking for, well, if it is metal.

      Did you ever find anything to match up to the D1 spline? Seems that someone somewhere has to have something to fit this puppy???

      best wishes, david

  • liger / about 10 years ago / 1

    Any plan on stocking Hitec HS-5805MG?

  • Member #521281 / about 10 years ago / 1

    Seeing as how the current expected purchase for 200 units was four days ago, can you provide a current expected arrival date? Thank you for reading.

  • Shane2 / about 10 years ago / 1

    Come on, it has Giant right there in the description. Please add photos with a ruler to give a quick idea of the size. And how about adding both metric and imperial units? Torque in oz-in and dimensions in metric? Just include both. And one more thing, SparkFun rocks!

    Now to get a few of this for a giant T-rex project!

  • These looked kind of jittery in the product video. Would you say these are stable enough for something like a biped or other legged robot, or would it look like me after too much coffee?

  • 16 BIT HOMEREW / about 11 years ago / 1

    I am building a robot that runs off of used cooking oil and was wondering if this would work to move the throttle up to accelerate?

  • Member #273530 / about 11 years ago / 1

    I'm looking to design a dumb waiter type pully system for my loft, would this work? How much weight could it lift?

  • free-bee / about 11 years ago / 1

    Just throwing this out there, this thing weighs as much as an orange and the screws are the length of a large mosquito - according to the Dictionary of Numbers.

Customer Reviews

4 out of 5

Based on 2 ratings:

Currently viewing all customer reviews.

Nice servo but was cheaper...:P

Is a really good servo for the price, is decent strenght at 0.14s make it good for robots with low PID necesities. Is a pity the taxes are so high in Spain :(

Nice torquey SERVO.

Wish it had a metal horn, other than that it's a good solid motor