diff --git a/Hoverboard-Wheels.md b/Hoverboard-Wheels.md index d413355..bc6d87e 100644 --- a/Hoverboard-Wheels.md +++ b/Hoverboard-Wheels.md @@ -1,9 +1,9 @@ Hoverboard wheels come in different sizes(4.5",6.5",8",8.5",10"), different printing, with tube or tubeless.
+ ![Hoverboard Wheel](https://github.com/EFeru/hoverboard-firmware-hack-FOC/blob/master/docs/pictures/hoverboard_wheel.JPG) All have been successfully used with this firmware as the wheel share those same characteristics: -- same motor winding -- 30 pole pairs +- 15 pole pairs - Wye/star wiring - Hall sensors are 120° apart - 4° resolution @@ -15,12 +15,12 @@ Unfortunately the quality of the wheel might differ, over the years the inner de - different number of coil parallel wires(3,4,5) and thickness In fact, you can end up with wheels being rated 250W,300W or 350W.
-Depending on your project you might want to open your wheels and check how it's built, as it can result in less power and more heating.
+Depending on your project you might want to open your wheels and check how it's built, as it can result in less power and overheating.
# Using the firmware with other wheels The firmware might work with different type of Motor/Wheels.
Phases/hall sensor wires might have to be swapped.
-You might have to update the number of [pole pairs parameter](https://github.com/EFeru/bldc-motor-control-FOC#parameters) in the FOC model for accurate RPM/Speed measurement. +Update the number of [pole pairs parameter](https://github.com/EFeru/bldc-motor-control-FOC#parameters) in the FOC model if it's different than 15 for accurate RPM/Speed measurement. # Wiring from Star to Delta Hoverboard wheels can be rewired from Star to Delta to trade Torque for Speed, it was successfully tested with this firmware.
@@ -30,7 +30,7 @@ Here are a few interesting builds with hoverboard wheels, you will find many mor * [Mounting bigger tires on a 6.5" wheel](https://www.youtube.com/watch?v=oUuCi9lp9IE) * [Extending the shaft on a 6.5" wheel](https://www.youtube.com/watch?v=aJ_qoiFvPzs) * [Mounting a disk brake on a 6.5" wheel](https://www.youtube.com/watch?v=GWQx6ymAfUk) -* [Delta rewiring ona 6.5" wheel](https://www.youtube.com/watch?v=sO9VX6ElDfY) +* [Delta rewiring on a 6.5" wheel](https://www.youtube.com/watch?v=sO9VX6ElDfY) * [3D printed Mecanum wheels](https://hackaday.com/2021/06/25/3d-printed-mecanum-wheels-for-hoverboard-motors/) * [Nice teardown with explanation of the characteristics](https://discourse.odriverobotics.com/t/project-hoverarm/441/2?u=madcowswe) * [Torque/Price ratio](https://youtu.be/_VUtfK4bCl8?t=33)