Well that would explain it now wouldn't? :-)
Rick
Sent from my iPhone
On Jul 15, 2010, at 6:05, "Herbert Miller" <hgmiller3@qwest.net> wrote:
> Rick
>
> The Austin Healey blower motor is not a permanent magnet motor. The magnetic
field is supplied by field coils.
>
> Herb Miller
>
>
>
> From: Richard Ewald [mailto:richard.ewald@gmail.com]
> Sent: Thursday, July 15, 2010 7:52 AM
> To: Alan Seigrist
> Cc: Herbert Miller; healeys@autox.team.net
> Subject: Re: [Healeys] Heater motor
>
>
>
> ::: Scratches head:::
> Well back in the day when I raced slot cars (which used a DC permanent
magnet motor) we would wire in a 1.5V battery to the off position of the
controller. We would wire it to the reverse polarity of the track. So when
you took your thumb all the way off the motor was given 1.5V backwards. This
would cause the car to slow down RIGHT NOW and if you had a fresh battery
creep backwards.
> So in my experience reversing the polarity on a DC motor does reverse the
direction. Why do you say it does not?
> Rick
>
> On Wed, Jul 14, 2010 at 11:47 PM, Alan Seigrist <healey.nut@gmail.com>
wrote:
>
> If you switch polarity, it does not affect the heater motor spin direction.
>
>
> On 7/15/10, Richard Ewald <richard.ewald@gmail.com> wrote:
> > Are you sure about changing the polarity not changing the direction of
> > rotation? As I recall it does.
> > It won't help if the case is grounded, but if the case is not grounded,
you
> > should be good to go.
> > Rick
> >
> > On Wed, Jul 14, 2010 at 9:20 PM, Alan Seigrist <healey.nut@gmail.com>
wrote:
> >
> >> Herbert -
> >>
> >> I believe you will have to have the armature rewound the opposite
> >> direction. That will cost about 100 bucks ++ at your local auto
> >> electrical repair shop. You can't just reverse the leads....
> >>
> >> Alan
> >>
> >> On 7/14/10, Herbert Miller <hgmiller3@qwest.net> wrote:
> >> > I need some help.
> >> I know that changing
> >> > the polarity of the leads makes no difference.
> >> >
> >> > Any help is appreciated.
> >> >
> >> >
> >> >
> >> > Herb Miller
> >>
> >
>
> --
> Sent from my mobile device
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