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Fw 190 D-9 Dora Engine Bug

River

By River
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Retnek

Retnek

Posted
Posted
On 1/23/2021 at 10:19 PM, YoYo said:

...

Its ok what we have now. I use Dora too and it's ok but follow by procedures and will be ok.

 

Really? The D-9 now does 75 min with 100% thrust - not ok according to the sources. Same for the (maybe, who knows for sure?) missing warm-up time: no rough running, no power loss, no hint on problems at all. Just a sudden "bang" and the engine is dead and frozen. Imho not ok for a simulation.

"Those who admire me for my 275 kills know nothing about war" Günther Rall

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NineLine
NineLine

Well thanks for the helpful info, I am sure DCS software is very similar to what you work on.   Seriously though, I have never given up on this bug, even after out testers determined that re

StevanJ
StevanJ

Can confirm- Engine randomly stops in game, It also effects the AI..    

NineLine
NineLine

Its a timing error in the engine, it doesnt make any sense so I am sure there is a 1 where a 0 needs to be, I will keel bugging the team on it. Thanks!

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NineLine

NineLine

Posted
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Posted
4 hours ago, Retnek said:

Really? The D-9 now does 75 min with 100% thrust - not ok according to the sources. Same for the (maybe, who knows for sure?) missing warm-up time: no rough running, no power loss, no hint on problems at all. Just a sudden "bang" and the engine is dead and frozen. Imho not ok for a simulation.

The sudden engine jam has been fixed internally, in that it shouldnt insta jam now, the water cooled warbirds are set to get the new cooling system after the Mossie is out. I havent seen the Dora be able to run max power for 75 mins without issue, I am looking into issues of running too low of power without plug fowling, it looks like that might not be in.

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grafspee

grafspee

Posted
Posted (edited)

75min at 100% power, I think fuel tanks will not allow for that.

Acording to DCS D-9 manual, above 7000m 3250rpm is continuous power below, it has 30min limit which is still a lot.


Edited by grafspee

System specs: I7 14700KF, Gigabyte Z690 Aorus Elite, 64GB DDR4 3600MHz, Gigabyte RTX 4090,Win 11, 48" OLED LG TV + 42" LG LED monitor

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Retnek

Retnek

Posted
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11 hours ago, grafspee said:

75min at 100% power, I think fuel tanks will not allow for that.

Acording to DCS D-9 manual, above 7000m 3250rpm is continuous power below, it has 30min limit which is still a lot.

 

Check https://forums.eagle.ru/topic/252239-fw-190-d-9-dora-engine-bug/page/3/?tab=comments#comment-4537091 for details.


@NineLine: no offence intended, just a hint. It would be fine to hear a problem by the engine sound itself. And to read an advice in the manual how each kind of engine will react on ignoring the upper limits. The sudden jam is fixed and a new water-cooling system coming up: Thank you. (Meanwhile happy hunting with a fast bird)

"Those who admire me for my 275 kills know nothing about war" Günther Rall

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grafspee

grafspee

Posted
Posted (edited)
17 hours ago, Retnek said:

Check https://forums.eagle.ru/topic/252239-fw-190-d-9-dora-engine-bug/page/3/?tab=comments#comment-4537091 for details.


@NineLine: no offence intended, just a hint. It would be fine to hear a problem by the engine sound itself. And to read an advice in the manual how each kind of engine will react on ignoring the upper limits. The sudden jam is fixed and a new water-cooling system coming up: Thank you. (Meanwhile happy hunting with a fast bird)

Ok got that. It is funny that you can run Military Power 75min, then when you fly economy mode engine blows up 🙂

Still i think that engine should survive it but for next flight it would require full engine inspection 🙂


Edited by grafspee

System specs: I7 14700KF, Gigabyte Z690 Aorus Elite, 64GB DDR4 3600MHz, Gigabyte RTX 4090,Win 11, 48" OLED LG TV + 42" LG LED monitor

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River

River

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On 1/30/2021 at 2:06 AM, NineLine said:

I think the Dora is missing plug fouling, so running a motor in economy its possible you could damage it I suppose, blowing up, I dunno. Its still a weird one as I have flown in economy a lot and not had an issue...

 

Fly it in MP, SoW for example. Just fly 2700 RPM, very often the Engine just stops after 10 minutes or so. 

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ams999

ams999

Posted
Posted

LMFAO, that is brilliant!

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grafspee

grafspee

Posted
Posted (edited)

In short flight my engine failed.

About 20min of flying with various power settings.

If anyone know pls tell me what i did wrong.

in A-8 i can fire wall throttle with 5min limit and fly it for 30min at least, and here i set militarily power which is labeled 30min

m2LBOvz.png

and what, i blow engine after 5 min ?? he?

https://drive.google.com/file/d/1Tn45EOfNPhUCTLKY23fNKW4dQLTURGBF/view?usp=sharing

external link for track because forum allow only 5MB files.


Edited by grafspee

System specs: I7 14700KF, Gigabyte Z690 Aorus Elite, 64GB DDR4 3600MHz, Gigabyte RTX 4090,Win 11, 48" OLED LG TV + 42" LG LED monitor

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grafspee

grafspee

Posted
Posted
1 hour ago, NineLine said:

If possible can you take a look again with 2.7, and if it happens again, send me a new track?

Sure, set it as secondary issue, now we need to focus on 2.7 problems. I will re-test it in 2.7 soon. 

System specs: I7 14700KF, Gigabyte Z690 Aorus Elite, 64GB DDR4 3600MHz, Gigabyte RTX 4090,Win 11, 48" OLED LG TV + 42" LG LED monitor

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StevanJ

StevanJ

Posted
Posted
5 hours ago, NineLine said:

If possible can you take a look again with 2.7, and if it happens again, send me a new track?


Its a long one, he kills me in a fight where i use the new clouds for cover, then we're in a long running chase for about 40 minutes-ish, while i spend a long time getting some distance, and coming back poking shots off.
Eventually we fly into each other as i come back to the english radar site, i restart and then chase starts again, flying into land then after i come back to the radar site after 10-15 minutes in land the engine splutter a few times, then it cuts out as i fly towards the radar from in-land, I bail then quit.

Hope it helps.

https://filebin.net/1iwzxvhrdqpr16r5

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amazingme

amazingme

Posted
Posted

After 10 minutes.. the engine seized in cruising @2700rpm..

https://we.tl/t-ylrwIUwIzi (track is uploaded on wetransfer.com 33MB)

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Asus Z97 PRO Gamer, i7 4790K@4.6GHz, 4x8GB Kingston @2400MHz 11-13-14-32, Titan X, Creative X-Fi, 128+2x250GB SSDs, VPC T50 Throttle + G940, MFG Crosswinds, TrackIR 5 w/ pro clip, JetSeat, Win10 Pro 64-bit, Oculus Rift, 27"@1920x1080

 

Settings:

2.1.x - Textures:High Terrain:High Civ.Traffic:Off Water:High VisRan:Low Heatblur:High Shadows:High Res:1920x1080 RoC:1024 MSAA:4x AF:16x HDR:OFF DefS: ON GCI: ON DoF:Off Lens: OFF C/G:390m Trees:1500m R:max Gamma: 1.5

 

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amazingme

amazingme

Posted
Posted

Avoiding double posts.. 

 

Specs:

Asus Z97 PRO Gamer, i7 4790K@4.6GHz, 4x8GB Kingston @2400MHz 11-13-14-32, Titan X, Creative X-Fi, 128+2x250GB SSDs, VPC T50 Throttle + G940, MFG Crosswinds, TrackIR 5 w/ pro clip, JetSeat, Win10 Pro 64-bit, Oculus Rift, 27"@1920x1080

 

Settings:

2.1.x - Textures:High Terrain:High Civ.Traffic:Off Water:High VisRan:Low Heatblur:High Shadows:High Res:1920x1080 RoC:1024 MSAA:4x AF:16x HDR:OFF DefS: ON GCI: ON DoF:Off Lens: OFF C/G:390m Trees:1500m R:max Gamma: 1.5

 

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Slice313

Slice313

Posted
Posted (edited)

I had lots of engine degrading problems just flying around for short periods of time (less than 30 minutes). I thought I was missing something but reading this post reassures my belief.

 

I also experienced that the MW-50 inst increasing the performance of the plane, seems to be broken?

 

-If I fly at sea level, leveled in straight line, with or without MW-50, I get the same speed, even MW-50 seems to worsen it by a tiny bit.

 

I was wrong, not truth, without MW-50 I get 550 km/h, with MW50 600 km/h.

 

If I dare to touch the radiator flaps, my oil temps rises beyond 130 and the engine is destroyed after 2 or 3 minutes, but that is just my fault I guess, I gotta read the manual regarding Oil temp management.


Edited by Slice313
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MrExplosion

MrExplosion

Posted
Posted (edited)

This is really getting worse and worse in my experience. Might be a bit of bad luck as well, but I had my engine die 3 times yesterday in the span of 2 hours while flying on SoW. I made especially sure to warm up the engine correctly and not overstress it (knowing it is prone to just die now and then). Still it just fails seemingly randomly without any warning prior. This makes the Dora close to unusable in multiplayer.

 

 

 


Edited by MrExplosion
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Kein Anderer als ein Jäger spürt,

Den Kampf und Sieg so konzentriert.

 

Das macht uns glücklich, stolz und froh,

Der Jägerei ein Horrido!

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Hobel

Hobel

Posted
Posted

many here often report stalling the engine at 2700RPM, which seems to cause the error

From my experience, as soon as you go below 2800RPM the probability increases a lot that the engine simply dies, so I fly in principle almost only above 2800-2900 and there are almost no more problems.

 

 

 

which of course should not be the solution...

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rkk01

rkk01

Posted
Posted

Don’t fly MP, but was getting a lot of engine failures after circa 10 mins of SP flight, and yes, not at max settings...

 

Seemed to be linked to overheat, so I now fly the Dora with rad shutters open - except for combat

 

in combat, I can fight one opponent within the engine life, but a second (red pawn) always seem to result in engine failure 

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