Gyro Stabilized Two Wheeler (V5) - Steerable




About: I am an American teaching English at Shangluo University, Shaanxi. I like making machines that do interesting but fairly useless things - I call them Quixotic Machines.

This is my 5th version of a self-stabilizing gyroscope that was originally on two wheels, then on two chopsticks, then added active balancing mechanism and then back on two wheels with the rear wheel powered so it can drive forward and now it is steerable.

Update: 5/10 - Found that my motor is spinning at 5800 rpm at 6 volts but really need about 7000 rpm to get really strong balance without a lot of precession and therefore wobble. Also, force required to keep balance is about 150 grams.

First video shows latest version with steering.

Second video shows the gyro car in motion without steering.

Photo 1: shows complete steerable gyro stabilized two wheeler.

Photo 2: shows front steering mechanism.

Photo 3: shows other side of steering mechanism.

Photo 4: shows rear wheel, motor and lipo battery for drive motor.

Photo 5: shows a potentiometer that measures the gyro rotor angle and then adjusts a servo controlled counterweight thru an Arduino Uno to keep the gyroscope and vehicle balanced. (This photo does not have the steering mechanism).

Photo 5: shows front wheel with the Arduino Uno board on the bottom, then a piece of foam, then a 6 volt battery box to power the gyroscope motor and finally a lipo battery to power the Arduino.

Photo 6: the other side of the rear wheel.



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    7 Discussions


    Question 9 months ago on Introduction

    can i know component details of


    3 years ago

    i want to do as my toy. it awesome. Can u give me details ow to do it. I am curious how u make it. your item and coding for arduino.


    4 years ago on Introduction

    No the height of the gyro/motor doesnt matter, I have balanced both high and low. But the gyro must be top heavy (motor and or weight on top) unless you are directly controlling the gimbal with a servo (which I have not got working yet myself). Good luck, it will work.

    1 reply
    Slime EelJimRD

    Reply 3 years ago on Introduction

    Why does it have to be top heavy? This is a very cool project and I'm trying to build something similar but i can't quite get it to reach equilibrium. The gyro is located underneath the vehicle in my design but the spinning thing is heavier than the motor. Do you think that is the reason it keeps falling over?

    abhi ram

    3 years ago on Introduction

    can i please know what is the thing after potentiometer

    Very interesting machine! Good job presenting, I came from your other instructable on chopsticks :P