[simpits-tech] Conversion of electrical gauges

[Gene Buckle]

Matt Bailey wrote:
> Howdy,
> 
>   I occasionally see stuff like electronic tachs, altimeters, etc on ebay. I 
> know small systems instruments like EGT, oil pressure, etc as seen on light 
> planes, typically use air core motors, but what about the big stuff 
> (especially altimeters and other instruments with lots of travel)? Judging by 
> the connectors on one tachometer I see, I assume it's a digital 
> connection....sending data and not just a simple voltage or something?
> 
>   I'm about ready to start working on some Phidgets instruments using servos, 
> but I also want to look at other solutions (I'm still not sure what I'm going 
> to do about the altimeter.....Pihers sound troublesome).

Matt, you really need to buy Mike Powell's book on building sim 
instruments.  It's a goldmine of data and it'll even solve your 
altimeter problem.

g.


-- 

"I'm not crazy, I'm plausibly off-nominal!"
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