Regarding R-35, it gives the MiG-23 rocket like climb, breathtaking acceleration and high sustained turn rate.

Besides that it also allows the pilot not to worry about the engine behaviour at higher AoA and departures.

That is what it is called of a true fighter engine.

“Hello McFly, is anybody home?” We’re talking about engines. If we go stick that Foxhound engine on a Tu-95 and it can only do five hundred mph does that mean the engine sucks?

It would be a missmatch.
You have to put a supersonic engine to a supersonic aircraft.

Gladly. You are wrong. This thread is about engines not aircraft. If you want to tie the aircraft to it then the J58 would stomp your little Foxhound engine into the dirt. Thanks for playing, now take yourself back to your precious Foxbat thread.

You can not sepparate the engines from the aircraft performances.

For example, the SR-71 can only be tied to J-58.
Or, MIG-31 to D-30F.

If you want to know the quality of the engines, you have to see their effect to aircraft performance.

Put any western engine in MiG-29 or SU-27, and these fighters will be limited to 40 to 50 degrees angle of attack.
The Cobra maneuver will be ruled out.

Supercruise is speed in max dry! None is surprised that you are not aware about that.

Do not be too impressed with that.

The SR-71 cruise at 3 Mach, in afterburner.

I do not see that there are problems about that. And its radius of action is just fine.

The F/A-22 is faster in cruise than, say, MiG-29, but it is much slower, again in cruise than MiG-31.

The MiG-31 can cruise at supersonic speeds, but it cannot supercruise. Supercruise implies exceeding Mach 1 and sustaining supersonic speed while never using an afterburner.

What is important is combat radius at high speed.

The MiG-31 has 720 combat radius, with 4 missiles, at fantastic 2,35 Mach speed.

With or without using afterburner, I firmly state that F/A-22 can not achieve that.
Not even close.

Correct me if I am wrong.

That is less a function of the engine and more a function of the aircraft’s intake system and aerodynamics.

It is in fact, matter of engine’s internal aerodynamics: pressure per compressor stage, compressor blade curvatures, etc.

The engines of Mig-29 and SU-27 have internal oxygene supply system for the engines at disturbed airflow conditions.

Did you know that ?

Which western jet engine has that feature ?

Which Russian engine is better than the F119 or F135.

The D-30F6 of Mig-31 is, of course, much better.
It gives Mig-31 ability to supercruise at 2,35 Mach with combat radius of 720 km.

It also can push the Mig to 2,8 Mach.

Give me the figures for a F-22.

One example which shows what kind of interceptor the MiG-25 is:

-At 18.000 m, the service ceiling of F-15C, the MiG-25P has climb rate of 100 m/s, with 4 long range missiles.

A truly remarkable and outstanding performance.

You mean the one in which Belenko states they didn’t have a chance bringing the Blackbird down? Is that the one you mean? :diablo:

No, I think these are the words of senator Keegan.