Yow Hwui Low used 3d printing to add DIY electric motor drive to his longboard. He documented and published the entire process.
Longboard specs:
Project video:
Here is the drivetrain demonstration:
Full build guide and all the files can be found at:
https://www.instructables.com/id/3D-Printed-Electric-Longboard/
Thingiverse page:
http://www.thingiverse.com/thing:2188556
Longboard specs:
- This board can reach speeds of up to 42 km/h and has a range of over 16 km. The average pace of daily rides is around 15 - 20 km/h. It weighs around 8 kgs.
- Fully 3D-printed drivetrain with built-in idler system in ABS. Tested over 150 km as of March 2017.
- Max. Speed: 42 km/h
- Range: 16 km
- 6374 3.3 kW BLDC Motor
- VESC
- 8S LiPo Set Up
- 2 Ch 2.4 GHz Control
Project video:
Here is the drivetrain demonstration:
Full build guide and all the files can be found at:
https://www.instructables.com/id/3D-Printed-Electric-Longboard/
Thingiverse page:
http://www.thingiverse.com/thing:2188556
For a similar project you can check a electric longboard by Saral Tayal: