747 Classic Progress
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@tb10driver said in 747 Classic Progress:
I'm pretty sure the that each Autopilot (and Flight Director) was hard-wired to its own INS, so A-1, B-2, and C-3, although the pilot's instrument source information could be switched from one side to the other, using the series of switches at the bottom of the pilot's panels.
Correct.
If an INS dumps and can't be used anymore for navigation, you need to engage another autopilot channel.
The source switches are for the instrumentation, not flight guidance.
The HSI has small flags denoting from which source it is presently displaying information.
Best regards,
Robin. -
@SimeonWilbury I am glad to hear this, I prefer the original INS setup and original overall setup over mods from the latter years like fms etc.
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This might be a little bit early to ask but do you intend to bring the same system depth (for example the complex simulation of the pressurization system, accurate AP/AT behaviour, etc.) to the X-Plane version as well once the time comes? Hope it will be very close the wonderful P3D version in terms of simulation depth.
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@JoeNuts said in 747 Classic Progress:
@B744ERF Thanks for the explanation, I’m not that familiar with the triple INS setup yet
Triple INS has several benefits, and is required for oceanic flight:
- Redundancy (3 units are better than two)
- Three units are the minimum required for position mixing
Position mixing is where the inertial positions of all three INS are mixed (NOT averaged) using a specific algorithm that weights the individual inertial positions to produce the "mixed position", that represents the aircraft position for all navigation.
In triple mix, each INS does the following:
- Determines its own inertial position at all times
- Reads position data from the other two units
- Calculates the mix position
- Compares its data with the other units
- If they agree, then they all use the same position mix data which is applied as a correction to their own internal inertial position
- The triple mix position data is updated as the aircraft flies and the above functions repeat
- If a unit diverges from the triple position too much (drift rate too high or position invalid) then the system reverts to single-unit operation but maintains the last good triple mix update (in single-unit mode, the triple mix update can be cleared from each unit by the pilot should it be inaccurate).
Even in single-unit mode, there are continuous checks on various sub-systems, and depending on what faults are detected, generates error codes.
Most position faults are terminal in flight and can't be corrected. The only positional error that can be fixed is a bad position update, but generally once a unit loses its position, it can only be used for attitude information.
If a platform "topples" (literally stops remaining parallel to the local surface) then the unit is completely inoperative and must be switched off.
Local surface refers to the Earth's surface directly underneath the aircraft/unit.
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@Voice-of-Reason
Could you please release some vids demonstrated the sounds of cockpit and engines? Just like what you've done with Bae 146 and A300. -
@centurion88 Will try our best to sort some for you, just balancing between progressing the code and getting new In dev material out to you patience people. Thanks, just bear with us.
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Any progress?
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@centurion88 There is yes but it's not the fastest of progress and there's nothing we're able to show currently. We hope to be able to bring you up to speed within the next couple of weeks with some new In. dev content. Do bear with us and thanks for your patience.
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@Voice-of-Reason No sweat, JF - while a few folk are getting a bit short on here its only because it's such a highly anticipated aircraft. We're only glad that someone has decided to develop these classics. Thanks for putting up with the attitudes!
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@iainp93 I've been waiting long enough for a good study level 747 Classic that another year or two of waiting won't bring all too much sweat if the result is worth waiting for. I am instead taking the time in waiting to assemble my airport collection so I have a nice broad collection of Routes to fly when I can finally commission one for my fleet :)
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@SimeonWilbury said in 747 Classic Progress:
@iainp93 I've been waiting long enough for a good study level 747 Classic that another year or two of waiting won't bring all too much sweat if the result is worth waiting for. I am instead taking the time in waiting to assemble my airport collection so I have a nice broad collection of Routes to fly when I can finally commission one for my fleet :)
I've been collecting every bit of classic 747 routes I can get my hand on in preparation
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While I wont necessarily fly any routes that have been handled by 747 Classics in real life, I have still planned my first routes which will cover a lot of airports around the world. And of course my first flight will start at Paine Field in Everett. :)
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@SimeonWilbury Completely agree. As Guy Martin would say - "Do it well, do it once." The wait will be absolutely worth it.
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@APJR said in 747 Classic Progress:
@SimeonWilbury said in 747 Classic Progress:
@iainp93 I've been waiting long enough for a good study level 747 Classic that another year or two of waiting won't bring all too much sweat if the result is worth waiting for. I am instead taking the time in waiting to assemble my airport collection so I have a nice broad collection of Routes to fly when I can finally commission one for my fleet :)
I've been collecting every bit of classic 747 routes I can get my hand on in preparation
In case you're not already aware of it I'd really reccommend http://departedflights.com/ for old Passenger schedules and route maps, it's pretty much my bible for most of the routes I fly. My current regular aircraft are the MaddogX MD80 and the PMDG 744 which are both mostly retired from Passenger service so I rely a lot on historical schedules when I fly in the sim.
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Do you consider releasing an "Early Access", just like what Captainsim has done with their new 737cl? I just cant wait to see a new 747cl for p3dv4/v5 platform. Although an early access means bugs and faults, it can be fixed through the update.
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As i had my hopes up for this project.I lost almost all hope/interest of seeing this one released.I have a feeling that it's mostly issues with the 3rd party developer doing this project.
If it ever sees the light of day in our sims,i'll be happy to use it.But for now,i'm not expecting it to release anytime soon if ever....Brgds,
Steven
