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MSFS B737-800NG Flightmodel in Turns

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Seems to me it just failed evaluation....but I'd suggest trying it from a normal take-off, climb and cruise, maybe starting mid-flight unsettles something...

...

16 hours ago, STF-DIR said:

When i now do a 90 deg turn left or right, the nose dives sooo much down and i need sooo much trim / elevator forces to hold the Altitude.

As SD Flyer noted, it will feel the same as a 172, but with a heavy feel since the yoke is rigid with feel springs and artificial feel systems. Typically in turns, you are looking at a gradually increase of two to three degrees pitch change as you roll into a 25 to 30 degree turn. For my experience, its about two to three clicks of nose up trim as I work through it. You make the roll smoothly with small inputs and click away the pressure as you progress. During initial and recurrent, you will perform steep turns to get a feel of the behavior. I did them in the DC10 in flight. It's easy and can be done smoothly without issue as long as you do it gently and trim. The DC10 on the other hand will start to talk to you as you approach 40 degrees. You get and hear buffeting as that back layer starts to separate on that low lift wing. As long as you stayed gentle, it wasn't an issue. But if you are a little rough and pulse the yoke, you aggravate the situation as the buffeting increases with each pull on the yoke.

Rick 

One other possibility to consider here is the aircraft loading/CG...if the CG is boogered-up and way too far forward, then the acft would be expected to exhibit an increased amount of pitch-down moment in a bank, requiring larger elevator and/or stab trim inputs to counteract it.

Bob Scott | President and CEO, AVSIM Inc
ATP Gulfstream II-III-IV-V

Sys1 (MSFS20+24/XPlane12+11): AMD 9800X3D, water 2x240mm, MSI MPG X670E Carbon, 64GB GSkill 6000/30, nVidia RTX4090FE
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  • Author

I have a license, but you can test without a license for 30 min.

Did anyone of you trying the airplane to fly ?

i9-9900KF CPU @ 3.60GHz, 32GB Ram,RTX 3090TI,MSFS

1 minute ago, STF-DIR said:

I have a license, but you can test without a license for 30 min.

Did anyone of you trying the airplane to fly ?

You should really clarify what you actually trying to fly and how. We assume you are referring to PMDG 737 700/600 There are no 737 800 released yet for MSFS to my knowledge.

Please provide details ! 

Life time flight sim enthusiast, current airplane owner 172P (past C182F). FAA CP/IR ASEL/AMEL, FI ASEL

My System: AMD Ryzen 9 9950X3D , MSI X870 GAMING PLUS, 64G RAM, ASUS RTX5090, 4T SSD

Put my hands on (pic/dual/given)

7GCAA, 8KCAB, BE24, BE76, BE35-C33, BE35, C150, C152, C172B/N/P/R/SP, 182F, M20E,M20C, M20J, AT6(SNJ4), PA28-140,PA28-151, PA28-161,PA28-181,PA28RT-201,PA28R-180/201T, PA24-250, PA32-300R, PA44, AC114, YAK-18T, YAK-52, SR22

 

  • Author

As written above...

I fly the Prosim737 Suite and MUST use the Flightmodel providet by Prosim

i9-9900KF CPU @ 3.60GHz, 32GB Ram,RTX 3090TI,MSFS

  • Author

its for Homecockpit builders, but you can use it too.

i9-9900KF CPU @ 3.60GHz, 32GB Ram,RTX 3090TI,MSFS

31 minutes ago, STF-DIR said:

As written above...

I fly the Prosim737 Suite and MUST use the Flightmodel providet by Prosim

What the heck is Prosim 737???  In MSFS????  Never heard of this addon.

Sincerely,

Dennis D. Müllert

System Specs: MoBo:  MSI MAG X870 Tomahawk WiFi ATX AM5.  CPU: AMD Ryzen 7 9800X3D.  Memory:  128GB Corsair Vengeance DDR5-5600 CL-40.  GPU: 24GB Asus TUF Gaming OC GeForce RTX 4090.  Monitor: LG UltraGear+ 45" curved OLED.  Power Supply: Corsair 1500 Watt 80+ Platinum ATX. HD: 2TB Sabrent Rocket NVME SSD.  Windows 11 Pro.

Flight Sim Hardware:  Joystick: Thrustmaster T16000M.  Rudder Pedals: Thrustmaster TPR Pendular Pedals.  Yoke: Honeycomb Alpha.  Throttles: Honeycomb Bravo.  Controller: XBox Controller

 
 
21 minutes ago, STF-DIR said:

I fly the Prosim737 Suite and MUST use the Flightmodel providet by Prosim

Ok, I'm going to go out on a limb here and I'll give you what you are looking for with a disclaimer. If I were you, I would again check my system, but I'm confident that you know your setup. I would contact them and inform of the experience you are having. In the meantime, you can do this, but be advised, this can throw off other things. Go into your community folder and find that product. Open the folder and go to simobjects>airplanes> and what ever that product name is. In that folder, you will see a flight_model cfg file. I would make a copy of it and place it somewhere safe. In that file, go to the flight tuning section. In there, look for elevator effectiveness. Now, keep in mind that this is like flying an aircraft. What I mean is that tweaks in this area may cause problems else where. You know, the old, change pitch, I will have to change power. Change speed, again, a change in pitch/trim. Keep that in mind. You can go in and adjust the effectiveness slowly until it behaves in a turn as you expect. But.........As I explained previously, you aircraft now flies as it should in a turn, but now the rotate and flare is off. Maybe it starts rotating on its own now. Maybe the takeoff trim setting is too strong now. That's flight model adjustments for ya. If you are lucky, now all of the areas are on par. But normally, if it is not right from the start, you could be all over tweaking. Good luck and keep that backup ready.

Rick

  • Author

ok, thanks i will try that

i9-9900KF CPU @ 3.60GHz, 32GB Ram,RTX 3090TI,MSFS

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