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Nose up during cruise for 2~3 degrees?

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Colin... don't "fix it" no one else is seeing this.

 

If you see it, then it's specific to your system. No one else is seeing 5 degrees down in the cruise.

 

Investigate and solve the issue you have, don't change the variables.

  • Commercial Member

 

 


Just as an update I checked the value is the cruise_lift_scalar and it is set at 1.0. I have not amended this nor do I intend to until I find a bit more information about this issue, but fix it I will eventually.

 

For what it's worth, there's a real 727 out there in the private aviation world that has a bed set at 3 degrees feet down to compensate for the 2-3 degree nose up in cruise.

 

This is normal in any transport category aircraft.

 

...so it's already "fixed," because it doesn't need a fix.

Kyle Rodgers

For what it's worth, there's a real 727 out there in the private aviation world that has a bed set at 3 degrees feet down to compensate for the 2-3 degree nose up in cruise.

 

This is normal in any transport category aircraft.

 

...so it's already "fixed," because it doesn't need a fix.

 

 

He's seeing 5 degrees down though Kyle which is clearly wrong. Not 3 degrees up.

  • Commercial Member

He's seeing 5 degrees down though Kyle which is clearly wrong. Not 3 degrees up.

 

Gotcha - I thought I was responding to the OP.  I guess I should look more closely for the TOPIC STARTER flag...

 

 

 

Just as an update I checked the value is the cruise_lift_scalar and it is set at 1.0. I have not amended this nor do I intend to until I find a bit more information about this issue, but fix it I will eventually.

 

Disregard my earlier post.  Are you adjusting your flaps using a hardware device through FSUIPC?

Kyle Rodgers

  • Commercial Member

Found this very interesting as I have so far carried out just 2 test flights and found that one both the angle of attack when at altitude hold is probably 5 degrees nose down (aircraft flying level). When I descend at say 800 to 1000 ft/min this goes to about 15 and looks like I am dive bombing even though the plane is n't.

 

I have not looked at those values for the Cruise_lift_scalar yet as I have not really bothered with FSX (liked my PSS777 on FS9 but had to get a new system with windows 8 that it won't work on so here I am) but will have to give it a go as it is just so wrong. Incidentally, so far I cannot get it to go over 210 knots IAS so there must be a config setting for that too I think.

 

Colin

 

Sounds like your flaps are still extended. She's flying just fine here. What does the EICAS indicate after you clean up? I hope you are at least checking all the indications as you fly...

 

I only see a serious inability to accelerate when in the landing config at MTOM. There is barely enough thrust to make a level turn in that config. I didn't try pulling the speedbrake - was too low to recover a stall.

 

Best regards,

Robin.

I calibrated my Saitek yoke through its own software and have not through FSUIPC. I have tested by removing the FSUIPC ini file and find everything works perfectly. Pitch is approx. 2.5 nose up in level fight, wings don't wobble and I can now get up to proper speed and climb. 

 

Still need to read the manual to understand all the complexities of this machine but getting it working was stage one so now to fly this baby :)

 

Colin

  • Commercial Member

 

 


I have tested by removing the FSUIPC ini file and find everything works perfectly. Pitch is approx. 2.5 nose up in level fight, wings don't wobble and I can now get up to proper speed and climb. 

 

Perrrrrfect - glad that's sorted.

Kyle Rodgers

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