Re: (ET) Ariens AMP Mower

[Robert Adsett <subscriptions aeolusdevelopment com>]

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

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