Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

> Emil Johnsen wrote:
> <SNIP>
> How many watts does the motors need to be?

Motors I have at the moment pull only 9
watts each. Some others I had pulled
even less.

Your mileage may vary depending on where
the motors peak efficiency is. High RPM
motors will bog down and draw too much
power at the slow 3000 RPM.

That is why a big diameter 5 pole motor
is a good idea.