Yes....I believe so ...could be wrong.

Download Tornados spreadheet....it has the bosche 400w .....alter the voltage ...gear ratio etc.

http://www.teamtornado.co.uk/ssheet.htmhttp://www.teamtornado.co.uk/ssheet.htm

A quick look on mine gives frightening numbers for amps draw.
Also remember the electric motor aint very effecient ....perhaps 60% at best....so youll be throwing more amps in than power out ..... so MORE amps than the motor calculation. power...these missing amps end up as heat ....youll be able to fry an egg on the motors.