Everything posted by spottersim
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Landing trim setting
1st image was taken during landing (flaps) and second one prior to THS reset after landing. Feel free to check any A343 image during landing. The left side of the THS also features a ‘GND SET’ marking which is an excellent reference when comparing it to the inibuilds A340. Furthermore, irl F/D footage shows the aircraft re-trimming for a few seconds after landing to re-establish the GND SET setting. This is not the case in the ini A340 as it lands which roughly that trim setting. This behaviour has proven to consistently occur during landings in the ini A343. Not sure how weight, fuel loaded, and distance from threshold have an effect on the THS trim setting. I think it should largely depend on flap setting and CG, perhaps minor differences based on G/S angle and wind additive.
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A350 v2: Flight Model Updates & Sim Rate
Will the takeoff roll and rotation be improved in v2? The aircraft acceleration is excessive (compare PFD trend vector) and the initial climb rate is too high (compare video footage and ADS-B readout). As mentioned here, the pitch attitude also can’t be maintained. During landing, the aircraft seems to require much less nose up trim than the real one, suggesting that the aerodynamic characteristics are implemented inaccurately.
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Landing trim setting
Please note that this issue is also present on the A350 and A330 Series.
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Landing trim setting
The real A343 seems to land with more nose up trim set. Comparing the trim setting during landing to irl references will immediately show this. Sim: IRL: D-AIGZ | Airbus A340-313X | Lufthansa | Martin Nimmervoll | JetPhotos D-AIGN | Airbus A340-313X | Lufthansa | Emil Zegnalek | JetPhotos Will this be addressed in an upcoming update?
- Cost index / speed has NO effect on fuel usage whatsoever
- ECON SPD mismatch
- Cost index / speed has NO effect on fuel usage whatsoever
- Cost index / speed has NO effect on fuel usage whatsoever
- Speed deceleration consideration
- Vertical profile with CRS IN
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Speed deceleration consideration
Does the vertical profile of the A380 correctly account for deceleration requirements on idle segments? I initiated the descent at the T/D and ended up almost 6000ft too high on profile. I suppose that it commanded the deceleration to the 250kt and 220kt constraints, but did not account for these restrictions in its idle descent computations. ARAMA1B into WSSS 1B
- ECON SPD mismatch
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Fuel consomption vs simbrief profile
I did some further testing and noticed that the specific range increases with cost index, basically buying time for free. Segment Mach TAS Actual burn Specific range (nm/t, normalised to 392 t) CI15 0.831 484 11.06 t/h 44.1 CI150 0.851 496 11.24 t/h 44.3 CI500 0.862 503 11.28 t/h 44.7 CI15 (return) 0.831 485 10.99 t/h 44.2
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Fuel consomption vs simbrief profile
Any news on this? As discussed here, simply adjusting the profile might not be sufficient, in fact even counterintuitive.
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OSS position offset
Usually, the the actual position is at the tip of the triangle. In the A380, it seems to be in the middle of the triangle symbol.
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Fuel consomption vs simbrief profile
Can’t reproduce this. Inserting the step climbs does change the EFOB.
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Fuel consomption vs simbrief profile
I have noticed that a higher cost index results in a higher EFOB, even though the opposite should be the case. I reported this some time ago for the A340, it's highly disappointing to see that it has not been addressed.
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Fuel consomption vs simbrief profile
I've observed that the consumption seems a lot lower than planned at CI200: Estimate at T/C:/D: Close to T/D:
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OSS position offset
The position of the aircraft seems to be in the middle of the symbol, whereas it should be at the top of the triangle.
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Vertical profile with CRS IN
The vertical profile and the VSD seems heavily distorted when an intercept to the FAP is set up. Also note that the MAP should show before the FAP is sequenced. https://youtu.be/qcXQKQukxkI?si=yeNYCb1By2fIGAvm&t=189 I have also noticed that the FMS predicts a speed below VLS at the FAP (in this case 121kt)
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A380 OANS magnetic variation
It seems that the OANS does not consider magnetic variation when in plan view. Please also check that the OSS considers this as well on charts.
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WXR on VSD
Asobo has recently added new weather radar control features. Would it be possible to add these and also add the vertical view to the VSD?
- Cost index / speed has NO effect on fuel usage whatsoever
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Liftoff and initial climb
Hi, it is obviously not possible to do a 1:1 comparison, but even when taking off at MTOW the ini A340 climbs away faster than it should.
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THS setting during landing
Thanks for the reply, the videos show the CG value in the lower ECAM. It is usually similar or even further aft than in the ini A340.