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Uncontrolable climb 767 (Read 2944 times)

Tomas Janak Full Member Offline Posts: 8 Joined: Dec 10^th, 2021	Uncontrolable climb 767 Dec 10^th, 2021 at 9:55pm	Print Post
	Dear support, I have one problem with CS 767-400 , airplane is in aproximately 4000ft uncontrolable climbing up and I can´t get it down , all asistance are off. Autopilot too. Do you know what is happening? Thank you Kind Regards TJ


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Tomas Janak Full Member Offline Posts: 8 Joined: Dec 10^th, 2021	Re: Uncontrolable climb 767 Reply #1 - Dec 11^th, 2021 at 7:42pm	Print Post
	I just tried a few things how to make airplane better (salty mod etc..) , the best option is replace flightmodel file with some improved file for cs777 - airplane is flying beautifully but ground service will not recognize possition of doors any more. Airplane is not usable, please for money refund or please fix flight model. Aircraft is in the air totally crazy. Thank you


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Tomas Janak Full Member Offline Posts: 8 Joined: Dec 10^th, 2021	Re: Uncontrolable climb 767 Reply #2 - Dec 12^th, 2021 at 1:39am	Print Post
	I just fixed this problem by myself, I just replaced parts of mods for B777 , airplane is now works fine.


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garydpoole Full Member Offline Posts: 23 Joined: Jul 28^th, 2019	Re: Uncontrolable climb 767 Reply #3 - Dec 30^th, 2021 at 7:19pm	Print Post
	Tomas Janak wrote on Dec 12^th, 2021 at 1:39am: I just fixed this problem by myself, I just replaced parts of mods for B777 , airplane is now works fine. Any chance of letting us know what these changes are ? Like you, I'm finding that the 767 climbs like an Exocet Missile... Thanks


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thaliabobalia Full Member Offline Posts: 41 Joined: Apr 29^th, 2020	Re: Uncontrolable climb 767 Reply #4 - Dec 30^th, 2021 at 8:16pm	Print Post
	garydpoole wrote on Dec 30^th, 2021 at 7:19pm: Tomas Janak wrote on Dec 12^th, 2021 at 1:39am: I just fixed this problem by myself, I just replaced parts of mods for B777 , airplane is now works fine. Any chance of letting us know what these changes are ? Like you, I'm finding that the 767 climbs like an Exocet Missile... Thanks I installed the Salty Compatibility with EICAS Mod from flightsim.to and it flies really well. However, even with this mod you cannot use VNAV as it will still climb like a rocket. I hand fly up to around 3,000' or so then stabilize and engage the VS at a set rate (usually around 2,500 FPM).


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garydpoole Full Member Offline Posts: 23 Joined: Jul 28^th, 2019	Re: Uncontrolable climb 767 Reply #5 - Dec 31^st, 2021 at 2:57pm	Print Post
	thaliabobalia wrote on Dec 30^th, 2021 at 8:16pm: garydpoole wrote on Dec 30^th, 2021 at 7:19pm: Tomas Janak wrote on Dec 12^th, 2021 at 1:39am: I just fixed this problem by myself, I just replaced parts of mods for B777 , airplane is now works fine. Any chance of letting us know what these changes are ? Like you, I'm finding that the 767 climbs like an Exocet Missile... Thanks I installed the Salty Compatibility with EICAS Mod from flightsim.to and it flies really well. However, even with this mod you cannot use VNAV as it will still climb like a rocket. I hand fly up to around 3,000' or so then stabilize and engage the VS at a set rate (usually around 2,500 FPM). Ok, I've had some success in 'taming the beast' and now have a nice controlled VNAV takeoff. I'm no flight model expert, but it would appear that the rated engine static thrust within 'engines.cfg' had been set to 133000, which is approx. double what it should be for the CF6-80Cs. Once I had adjusted this to a value of 63100, takeoff was a far more sedate affair !


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thaliabobalia Full Member Offline Posts: 41 Joined: Apr 29^th, 2020	Re: Uncontrolable climb 767 Reply #6 - Jan 1^st, 2022 at 11:16pm	Print Post
	Thanks for the suggestion! I changed the rated engine static thrust to 63100 like you did and had a hard time with taxiing and takeoff. I used up close to 10,000 feet of runway to get off the ground . I changed it to 105000 and will have to see if that feels better.


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garydpoole Full Member Offline Posts: 23 Joined: Jul 28^th, 2019	Re: Uncontrolable climb 767 Reply #7 - Jan 2^nd, 2022 at 3:25pm	Print Post
	thaliabobalia wrote on Jan 1^st, 2022 at 11:16pm: Thanks for the suggestion! I changed the rated engine static thrust to 63100 like you did and had a hard time with taxiing and takeoff. I suspect that may be because the aircraft weights are still set too heavy for the 767-400. Within "flight_model,cfg", I set: max_gross_weight = 450000 empty_weight = 227400 Regards


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thaliabobalia Full Member Offline Posts: 41 Joined: Apr 29^th, 2020	Re: Uncontrolable climb 767 Reply #8 - Jan 7^th, 2022 at 12:13pm	Print Post
	garydpoole wrote on Jan 2^nd, 2022 at 3:25pm: thaliabobalia wrote on Jan 1^st, 2022 at 11:16pm: Thanks for the suggestion! I changed the rated engine static thrust to 63100 like you did and had a hard time with taxiing and takeoff. I suspect that may be because the aircraft weights are still set too heavy for the 767-400. Within "flight_model,cfg", I set: max_gross_weight = 450000 empty_weight = 227400 Regards Yes, you are correct with the weights. Did you adjust the fuel flow scalar at all? Thanks!


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Tomas Janak Full Member Offline Posts: 8 Joined: Dec 10^th, 2021	Re: Uncontrolable climb 767 Reply #9 - Feb 12^th, 2022 at 1:22pm	Print Post
	See my flight model in attachment

	flight_model.zip ( 9 KB \| 85 Downloads )
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Tomas Janak Full Member Offline Posts: 8 Joined: Dec 10^th, 2021	Re: Uncontrolable climb 767 Reply #10 - Feb 12^th, 2022 at 2:04pm	Print Post
	Tomas Janak wrote on Feb 12^th, 2022 at 1:22pm: See my flight model in attachment

	flight_model_001.zip ( 9 KB \| 68 Downloads )
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Tomas Janak Full Member Offline Posts: 8 Joined: Dec 10^th, 2021	Re: Uncontrolable climb 767 Reply #11 - Feb 12^th, 2022 at 9:39pm	Print Post
	and engine file if it is needed...

	engines.zip ( 2 KB \| 65 Downloads )
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