[simpits-tech] Wiring of POT and EPL

[Martin Ingold]

Well yes, they are all labeled with 400Hz on the outside. Though they don't use it..
believe me. Pin outs of the manufacturers of the instrument show DC voltage used too....
there's absolutely no need for 400Hz on ANY Sim-Instrument I have, and yes, they DO have
Synchros in them.... I was worried about needing to use 400Hz when I first saw them...
Pin-Outs and "reverse engineering" of circuits teached me the opposite... looks like they
are avoiding that stuff for the simulators...

Martin

Gene Buckle wrote:

> > Not quite... the sim stuff that uses synchros feeds them with DC
> > voltage, which causes the synchro to spit out a sin/cos (I think)
> > signal.... The instruments and stuff I have from Sims have lot's of
> > synchros in, and not one of them needs 400Hz or makes that current
> > internaly.
>
> Every synchro I have is rated for either 28 or 115 volts AC at 400Hz.  No
> commercial flight simulator I've ever seen drives a real synchro on DC.
> They way they're wired precludes them from producing a correct signal on
> DC. (DC has no sine wave, which the synchro manipulates or is manipulated
> by)  If it's working on DC, then it's not a synchro.
>
> g.
>
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