DC dies and AC lies - Githubissues

NikolaiVChr / flightgear-saab-ja-37-viggen

Saab 37 Viggen for Flightgear flight simulator

http://wiki.flightgear.org/Saab_37_Viggen

GNU General Public License v2.0

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DC dies and AC lies #119

Closed NikolaiVChr closed 1 year ago

NikolaiVChr commented 4 years ago

@colingeniet Since you are reworking the gauges, maybe you could check that that is consistent in all the gauges.

DC dies: DC powered gauges goes to zero when power is off. AC lies: AC powered gauges freeze when they lose power.

colingeniet commented 4 years ago

Thank very much you, I did some instrument logic rework, but did not know that. Out of curiosity, is there a technical reason for it?

For several flight instruments, the SFI (part 1) only states that they 'are servo-actuated and use signals from the air data computer' (main altimeter, mach indicator...). My guess would be that they fall in the AC category, but do you know more?

NikolaiVChr commented 4 years ago

I only know he ones in this diagram, I think I kinda just assumed whats not mentioned here is AC: