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25 737-200 FDE user mod 1.1 (July 31) (Read 33392 times)
bud7h7
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737-200 FDE user mod 1.1 (July 31)
Jun 8th, 2012 at 11:42pm
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Modifications to various drag and thrust parameters, not a major overhaul of the original FDE by CS which is already excellent.

Features include:

1. ability to apply realistic EPR settings in all flight phases
2. realistic takeoff power and climb performance
3. lose less airspeed on idle-thrust descent
4. thust required to taxi reduced to about 39% n1
5. realistic fuel burn rate

___________________________________________________
current version 1.1 (July 31)
http://www.mediafire.com/?432i9k8s6zg4489
  
Bud Estrada i5 2500k @ 4.4 - p67 extreme4 - GTX580 - 16gb RAM - Windows 7/64 - FSX SP2
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toelg
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Re: 737-200 FDE (user mod)
Reply #1 - Jun 9th, 2012 at 8:38pm
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Hi Bud,

great work !  Thanks a lot for sharing it !  Smiley
I think CS is very happy, that You've done this hard job for them.   Wink

Thanks again
   and best regards !
         Dietmar
  
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bud7h7
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Re: 737-200 FDE (user mod)
Reply #2 - Jun 9th, 2012 at 9:41pm
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Thanks Dietmar. The flight model by CS really is excellent, I only edited a few parameters.
  
Bud Estrada i5 2500k @ 4.4 - p67 extreme4 - GTX580 - 16gb RAM - Windows 7/64 - FSX SP2
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upquark
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Re: 737-200 FDE (user mod)
Reply #3 - Jun 9th, 2012 at 10:01pm
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Hi Bud,

Thanks for your hard work on this - unfortunately the link is not working for me. Any chance you could email it to   steve.amsden@yahoo.co.uk.

Thanks again

Steve
  
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fsxpaul
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Re: 737-200 FDE (user mod)
Reply #4 - Jun 10th, 2012 at 6:08am
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Hi,

Just curious as to what changes were made to the .air file?

Thanks
  
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bud7h7
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Re: 737-200 FDE (user mod)
Reply #5 - Jun 10th, 2012 at 7:36am
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Quote:
Hi,
Just curious as to what changes were made to the .air file?

Thanks


Hi Paul,

Reduced zero-lift-drag-coefficient. In my search for better descent rate, I found that this has more affect on airspeed in descent than inlet_area (ram drag) and parasite drag.

Adjusted thrust factor vs cN1.
  
Bud Estrada i5 2500k @ 4.4 - p67 extreme4 - GTX580 - 16gb RAM - Windows 7/64 - FSX SP2
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MikaelJ
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Re: 737-200 FDE (user mod)
Reply #6 - Jun 11th, 2012 at 3:57pm
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Just a question. I've made some changes to the aircraft cfg before.
Wonder what induced_drag_scalar  should be.

I now have         induced_drag_scalar    = 0.785

Best regards
Mikael
  
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bud7h7
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Re: 737-200 FDE (user mod)
Reply #7 - Jun 11th, 2012 at 5:20pm
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Induced drag relates to lift and pitch angle. But it also has more of an effect on cruise than I thought it would. After reducing zero lift drag in the .air file I was able to leave induced drag at the default 1.0

With a value of .785 you should have unrealistic EPR and N1 (too low) during climb, level flight, and final approach.
  
Bud Estrada i5 2500k @ 4.4 - p67 extreme4 - GTX580 - 16gb RAM - Windows 7/64 - FSX SP2
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MikaelJ
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Re: 737-200 FDE (user mod)
Reply #8 - Jun 11th, 2012 at 7:08pm
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Thank you Bud!

I could not find wich value it should be for your FDE mod.

But now I know thank you for your fast reply!

regards
Mikael
  
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speck
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Re: 737-200 FDE user mod (updated June 11)
Reply #9 - Jun 12th, 2012 at 12:48am
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Is this air file for both 200 and ADV models?
  
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bud7h7
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Re: 737-200 FDE user mod (updated June 11)
Reply #10 - Jun 12th, 2012 at 1:05am
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Hmmm, good question. I only have the 200. I don't know if CS gave the 200 ADV it's own flight model or if it's only a visual expansion.
  
Bud Estrada i5 2500k @ 4.4 - p67 extreme4 - GTX580 - 16gb RAM - Windows 7/64 - FSX SP2
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speck
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Re: 737-200 FDE user mod (updated June 11)
Reply #11 - Jun 12th, 2012 at 2:20am
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Hi Bud,

I just checked the air file. It's the same as the 200
  
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CoolP
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Re: 737-200 FDE user mod (updated June 11)
Reply #12 - Jun 12th, 2012 at 3:01am
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Thanks for your efforts.  Smiley Please correct me if I'm wrong, but when using the mod, the gauge from fsxpaul has to be adjusted, right? Since both of you are reading this thread, I hope the question is ok.
  
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fsxpaul
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Re: 737-200 FDE user mod (updated June 11)
Reply #13 - Jun 12th, 2012 at 4:35am
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[quote author=CoolP link=1339198966/0#12 date=1339470089]Thanks for your efforts.  :) Please correct me if I'm wrong, but when using the mod, the gauge from fsxpaul has to be adjusted, right? Since both of you are reading this thread, I hope the question is ok.[/quote]

Yes the V-One gauge needs the Opt EPR offset changed.

Did a test flight and came up with -0.123 which will get the EPR real close.

1. Edit the oppropriate v-one.xml file (right mouse click on filename, then choose 'Edit'. Do not choose 'Open').
2. In section 'Initial Vars' towards the bottom of the file, change the following:
    FROM: 0.0 (>L:OptEprOffset,number )
    TO: -0.123 (>L:OptEprOffset,number )
3. Save your changes.
  
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CoolP
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Re: 737-200 FDE user mod (updated June 11)
Reply #14 - Jun 12th, 2012 at 5:18am
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Thanks, Paul. Now that's what I call a fast service.  Smiley
  
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