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 25 SYSTEMS & DYNAMICS (Read 3678 times)
Scholli04
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Re: SYSTEMS & DYNAMICS
Reply #15 - Jun 11th, 2019 at 12:10pm
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Ok guys, are you serious with your implementation of VNAV SPD?

I told you three times all the extracs from the manuals, etc.
And what happens?
Now the FMA shows VNAV SPD, but NOTHING MORE HAPPENS! Same mistakes as before with just a new FMA?

I'm not gonna make a fully detailed report about this a fourth time, this time you dig it up yourselves from the manuals.
  
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AKSledhead
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Re: SYSTEMS & DYNAMICS
Reply #16 - Jun 12th, 2019 at 7:07am
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Be advised, all aircraft regardless of model share the same OEW (Operating Empty Weight).  Please change to the following suggested Empty Weights:

Boeing 757-200PF:  115,200 LBS
Boeing 757-200PCF: 115,600 LBS
Boeing 757-200SF: 116,000

It's easy but AIIR#4
  
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trevors
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Re: SYSTEMS & DYNAMICS
Reply #17 - Jun 12th, 2019 at 1:56pm
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trevors wrote on Jun 10th, 2019 at 3:11pm:
trevors wrote on Jun 3rd, 2019 at 6:01pm:
Regarding the HOLD function.
I reported this earlier in an above post which was highlighted in yellow - acknowledged but not fixed.

Probably because of
- Highlight means the items is on the list. Which is not a guaranee the issue will be addressed.
https://www.captainsim.org/forum/csf.pl?num=1533652095


Will this issue be addressed?



Please answer my question.
  


Trevor
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Alabamaboy
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Re: SYSTEMS & DYNAMICS
Reply #18 - Jun 27th, 2019 at 6:37pm
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The TCAS does not show a/c close by and I do have it set TA/RA

SW
  
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KeithHodkinson
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Re: SYSTEMS & DYNAMICS
Reply #19 - Jul 11th, 2019 at 9:57am
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CaptLE wrote on Jun 7th, 2019 at 3:52pm:
The DES NOW function in the VNAV DES page of the FMC does not initiate the descent described in the manual (Part 2, Pg 469/470 and 348/349)


I can confirm same bug. Have tried with different variants on different flights. Descend Now does not work. I have hotfix 1404 applied.
  
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Captain Sim
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Re: SYSTEMS & DYNAMICS
Reply #20 - Jul 30th, 2019 at 2:10pm
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Off-Topic replies have been moved to this Topic.
  
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JasonPC
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Re: How to set Stabiliser Trim?
Reply #21 - Sep 5th, 2019 at 2:36am
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I'm having trouble where my plane is completely out of trim on takeoff when setting the trim using the value given in the FMC. I have to immediately adjust the trim to nose up on takeoff or suffer a nose down crash. Any ideas why this is happening?
  
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Captain Sim
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Re: How to set Stabiliser Trim?
Reply #22 - Sep 5th, 2019 at 2:19pm
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JasonPC wrote on Sep 5th, 2019 at 2:36am:
I'm having trouble where my plane is completely out of trim on takeoff when setting the trim using the value given in the FMC. I have to immediately adjust the trim to nose up on takeoff or suffer a nose down crash. Any ideas why this is happening?

Is any third party software involved into the trim calculation? If not pls attach the .fxml and .config files of the problem flight.
  
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JasonPC
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Re: How to set Stabiliser Trim?
Reply #23 - Sep 5th, 2019 at 10:23pm
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Just using the value calculated in the FMC. In my case it was calculated to be around 3.8. I actually set the trim to 4.0 so that it would be slightly more nose up. My ZFW was 164.8k lbs with 17.0k lbs of fuel.
  

CS_Test_Flight.zip ( 13 KB | 16 Downloads )
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Markoz
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Re: How to set Stabiliser Trim?
Reply #24 - Sep 6th, 2019 at 4:21am
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JasonPC wrote on Sep 5th, 2019 at 2:36am:
I'm having trouble where my plane is completely out of trim on takeoff when setting the trim using the value given in the FMC. I have to immediately adjust the trim to nose up on takeoff or suffer a nose down crash. Any ideas why this is happening?

As a general rule, I add about +0.5 to the value shown in the CDU (FMS). i.e. if the value in the CDU shows the trim should be set to 3.35, then I will set it to 3.85. The reason I do this is because, like you, if I have the trim set to the value in the CDU, the 757 tends to nose down too much after takeoff, and I have trim up to compensate for it, and if I don't, I'm likely to crash. Undecided
  

Mark Fletcher



PC: i7 9700K @ 4.6GHz | 32GB DDR4 | 8GB RTX 2070 | 27" LCD Monitor | 1TB SSD & 2TB HDD | Win 10 Pro 64 - FSX, FSX-SE & P3Dv4.5
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Captain Sim
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Re: SYSTEMS & DYNAMICS
Reply #25 - Sep 6th, 2019 at 4:32pm
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JasonPC wrote on Sep 5th, 2019 at 2:36am:
I'm having trouble where my plane is completely out of trim on takeoff when setting the trim using the value given in the FMC. I have to immediately adjust the trim to nose up on takeoff or suffer a nose down crash.

Pls try the attached .air file
  

CS_B757-200-III_PW2040_001.zip ( 5 KB | 27 Downloads )
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Markoz
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Re: SYSTEMS & DYNAMICS
Reply #26 - Sep 6th, 2019 at 6:44pm
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Captain Sim wrote on Sep 6th, 2019 at 4:32pm:
Pls try the attached .air file

That is much better. I set the trim to the value shown on CDU (FMS) TAKEOFF REF page, and the nose did not sink at all. Thanks. Grin
  

Mark Fletcher



PC: i7 9700K @ 4.6GHz | 32GB DDR4 | 8GB RTX 2070 | 27" LCD Monitor | 1TB SSD & 2TB HDD | Win 10 Pro 64 - FSX, FSX-SE & P3Dv4.5
15.6" Gaming Laptop: i7 7700HQ | 16GB DDR4 | 6GB GTX 1060 | 256GB SSD & 1TB HDD | Win 10 Pro 64bit - FSX-SE & P3Dv4.5
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aburek
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Re: SYSTEMS & DYNAMICS
Reply #27 - Sep 9th, 2019 at 11:03am
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Both L and R UTIL busses remain off even when selected on until engine start.  Both should remain on and shed during engine start, resetting once both engines are running.

AIIR#4
  

Allan Burek
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aburek
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Re: SYSTEMS & DYNAMICS
Reply #28 - Sep 9th, 2019 at 11:05am
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NO LAND 3 displayed on ASA until all hydraulic systems are pressurized.  ASA should clear with all 3 IRUs aligned if there are no other faults in system, independent of hydralic pressure.

AIIR#4
  

Allan Burek
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400kts
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ADF frequency setting
Reply #29 - Sep 8th, 2019 at 12:35pm
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Hello,

I'm trying to set the fourth digit on the ADF frequency panel in the radio stack but the inner knob only allow me to set the third one, for example if I try to put 376.5 I'm able only to put 376, in the manual is written that the inner knob set the tenths and ones number but it seems it's not doing it, I wonder if I have to do it differently

I specify that I've tried with both left and right buttons of the mouse but they only move back and forth with the third number, no way to have the fourth.

Thanks
  
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