Sukhoi Su-27/30/33/35/37 Flanker series & Su-34 Fullback - History, Design, Performance & Dissection (Part 1)

I’m trying to understand what this means. Are you saying the intake loss should be worse on the Su-27? And that it’s compensated for by excess thrust from the dev’s modelling or when the afterburner is engaged? Are you saying that this issue, which may be essentially fixed/compensated for is then compounded by the problem of excess drag on the flight model?

Multiple early T10’s have different intake designs, and I’m not sure they all had intake ramps for different positions. So if we have a Frankenstein model for drag and other coefficiencies on the Su-27 based off of an early T10, not the T10-15, then the entire intake process is completely screwed.

I don’t think the game models intakes with different flaps for different positions on the throttle and air speeds. So that’s a problem too.

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Thrust is higher than it should be because intake losses are not properly accounted for.
To account for the excess thrust, they increased the drag.
The increased drag and thrust was also “amended” by a terrible oswald coefficient and made worse by incorrect geometry of the basic airframe in the files.

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Yes, that’s right, they compensated for the excessive drag with thrust

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How FM will feel when excessive thrust and drag will be fixed? Smaller speed bleeding but slower acceleration?

Speed bleed will be better, turn and AOA will be better, but sustained 1 circle fighting will drag you lower and slower faster.

In theory it should give you the ability to gambit and lock anyone at least once.

Should climb a bit better, and sustain flight a little better as well.

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If they used a mish-mash of T-10 models for the Su-27 I shudder to think of how they decided the Su-33 should fly…

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the su-27 situation is crazy

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It’s not even crazy, it’s plain stupid.

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The plane also doesn’t accelerate correctly at lower angles of attack. At a 5G turn it will accelerate but it’s still short of its manual by 15 percent.

The entire lift/drag curve of the plane is completely wrong.

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The geometry of the airframe is incorrect even in the files.
So Flanker flight model being horrifically bad isn’t a surprise at this point.

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On a slightly more unrelated note…
How accurate is the Su-27S DCS module flight model?
I would assume it is way better than the War Thunder Su-27S.

@BBCRF

Frankly. It may have actually been a little different given the dimensional changes to the wings etc. Again, this is part of the reason why I think the Su-34 feels like the first real Flanker, I think they built it it’s own FM.

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The DCS is also not accurate, but it is much better than the WT

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attempt number two
https://community.gaijin.net/issues/p/warthunder/i/nEtnXhhHysKD

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While I absolutely respect the attempts, tthe snail simply doesn’t want to spend development time on older fm. They’ve said that after ride2r did his thing.

Ahem
It’s new model for this major

My issue is about Su-33

fair, might actually get them to change it.

I’m sorry for the ping, @Gunjob, but can I get your attention here?
Thank you in advance

Forwarded. Cheers.

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Interesting documentary «Властелины неба». Документальный фильм к 85-летию ОКБ Сухого и ОКБ «МиГ»

This is how Su-35 is supposed to use its airbrake compared to the Su-27 (in the back). Not sure if Su-34 uses it this way too.

This CGI show SU-57 has 4 or 6 R-73 missiles inside the missile bays, probably a mistake lol

Spoiler


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