Ebook: Build your own electric motor

tep by step, describes how to build a 7kw (20kw peak) axial flux e-motor electric motor the Do-It-Yourself-way.
Weights 10 kg

the outer diameter is 366 mm, and width about 120 mm,

The author explains how to power it with 7 small cheap rc ESC or with a professional kelly controller

Here are the details from the author

http://www.amazingdiyprojects.com/electric_motor.html