[simpits-tech] Driving Synchros - Here is what I found...

[Gene Buckle]

> No, but maybe you could get a job at their Redmond plant.  ;-)
>
> I checked the Scot synchro and it is actually called an indicator.  I
> just wonder ho many gauges really use these to drive the needle?
>
AFAIK, the Scot unit *may* be an air-core motor and NOT a synchro.  I know
they made the air-core motor that's in one of Martin's F-16 instruments.
The device is a "normal" air-core motor that could easily be driven with
that Philips chip that Erwin found, but the draw on it (if memory serves)
is 147mA and the most current that those air-core driver chips can sink is
under 80mA.  (Also, the Scot air-core motors are $250 a pop in small qty)
The Scot device I looked at for Martin was either a 3 or 4 wire device.

g.




 > On Friday, April 5, 2002, at 10:15 AM, Gene Buckle wrote:
>
> >> I found this Air Core Driver, it produces the needed SIN/COS signals.
> >>
> >
> > Unfortunately as far as I know, a synchro is strictly an AC device.
> >
> > Marv, does Honeywell have a surplus store?
> >
> > g.
> >
> >
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