Re: (ET) Ariens AMP Mower

[RJ Kanary <rjkanary nauticom net>]

That is a <snip> from another's viewpoint.I have yet to advocate GE's 
implementation of field reversing. :)

RJ

Robert Adsett wrote:
> RJ Kanary wrote:
> > <Reversing the low current field in a shunt motor is almost a trivial 
> > task, requiring only a small relay or small semiconductors. It makes 
> > much more sense to reverse the field than to reverse the armature. 
> > This is one of the advantages of a shunt or sep-ex motor over a PM or 
> > series motor.>
>
> Not outrageously difficult but not trivial either.  The larger field 
> inductance of a shunt wound motor results in either relatively slow 
> turn-around or relatively high voltage requirements.
>
> Robert