Developer's Backdoor > GSX Backdoor

Aircraft Start Unit

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mroschk:
Hello,

first all a happy new year 2013....

Then i want to ask if it is possible to have a Air Start Unit in case of a APU failure?

Matthias

virtuali:

--- Quote from: mroschk on January 01, 2013, 05:00:30 pm ---Then i want to ask if it is possible to have a Air Start Unit in case of a APU failure?
--- End quote ---

Default airplanes don't have APUs in the first place, and 3rd party airplanes which have an APU, either have their own Air Start unit (most notable example, the PMDG NGX) or if they don't, they implement APUs each one in different ways, so it would be very difficult to create an Air Start unit that works with any airplane that could *detect* an APU failure, because some 3rd party airplanes might have implemented the failure as internal gauge variables which are not easily accessed from outside and would require reverse-engineering their gauges and keep GSX updated each time they'll eventually fix their gauges.

Very few products have their own internal simulation variables accessible from the outside, or an SDK. And those that have one (again, the PMDG is the most important example), already have their own Air Start unit.

booforty:
Hi Virtuali,

How about being able to have a "non-functioning" but purely visual air start unit.  So when an aircraft is parked and engines off, you have the option to select its appearance near the nose of the users aircraft until pushback is called?  It would look great and certainly most of the aircraft I fly could do with having the visual appearance of an air start unit when parked.

mroschk:
Hello,

i think the standard boeing has a APU build in...

Matthias

virtuali:

--- Quote from: mroschk on February 13, 2013, 11:15:48 pm ---i think the standard boeing has a APU build in...
--- End quote ---

That's exactly what I've said: FSX has introduced an APU system, but nobody except the default 737 use it, and nobody will want a GSX feature that works only with 1 default airplane.

And, it would be very tricky supporting each 3rd party airplane, since each one have its own way to simulate the APU, it's way more complex than reading custom doors with XML variables, because there are surely tied to an XML variable (so we can put an XML expression to test it), but the APU doesn't need to, so it's likely an in-memory variable that should be accessed by reverse-engineering the gauges, which would stop working as soon as the developer releases an upgrade. We could basically do it only for the very few airplanes that have an SDK, like the PMDG which, incidentally, already has its own visible APU vehicle, so it wouldn't make sense to add a new one in GSX.

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