>> 1kW is a small motor - it's only going to put about 1 HP out.  We run
>> motors that will pull 90A sustained at 24V input (2.1kW in), and I make the
>
>  Sound totally inefficient ! What brushes have those motors ?

75% efficiency is a poor motor.  85% typical brushed, 90-93% on the brushless.

You can check the motor type out on the Plettenberg website.

Andy

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads