You use contactors to physically rewire the motors. In series both motors see the same current in parallel they both see the same voltage. damon
> Date: Mon, 5 May 2008 10:13:45 -0700> From: [EMAIL PROTECTED]> To: > listserv@electricmotorcycles.net> Subject: Re: [ElectricMotorcycles] > series-parallel 2 motors> > > Would it be useful to use a two-channel > controller for the two motors? or is that just complicating things to no> > purpose? The robot people commonly have two-channel controllers in the 250A > range, which I realize may not be big enough.> > How do you make the > parallel-series switch, or did I miss the explanation already?> > > j.> _________________________________________________________________ Windows Live SkyDrive lets you share files with faraway friends. http://www.windowslive.com/skydrive/overview.html?ocid=TXT_TAGLM_WL_Refresh_skydrive_052008