Simulating Omni Bearing Selector (OBS)
Hello there,
I'm creating an IFR Simulator for my degree in computer programming and I have a question...Is it possible to connect a OBS VOR indicator to the computer and simulate it working? I have a PPL so I what it does. Has this ever been tried? Any help or ideas would be muchly appreciated. Thanks in advance:) |
Hi Fergal,
Yes, is the short answer, although it would probably be significantly easier (and cheaper!) to simulate one in software on a second monitor / PC. I'm not an avionics engineer or anything but a bit of work with Google found this: http://www.beckerusa.com/pdf/ - the IN3300 is a VOR/LOC indicator, download the PDF IN3300-I+O , it's got wiring diagrams and everything. It seems that if you just feed +/- 150 mV into the correct pins, you'll get the appropriate indications on the display. Apparently these things are governed by the "ARINC standards", but they're not freely available - several thousand US dollars each! Hope this helps, cbl. |
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