Updated: 26/07/2020.
Guest post by Dalibor
First thing to do was to make a frame. Then add layers of fiberglass. Filling the voids and irregularities with git and then the painting.
Cutting a side opening and making a lid 
Laying of fiberglass fibres 
Covering irregularities with git, before sanding and painting
I opted for the black colour:
Housing holds all the batteries, wires, connections and a display that shows battery state, consumption and other parameters. It also has a contact lock with three switches and a jack for battery charging. Switches are used to turn on the display, speed limit and cruise control.
Photo gallery of the finished project of Polar Viper electric bicycle modification.
Share this article...