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Flight of the Flanker: Ultimate jet fighter turns 30
Russia & India Report ^ | August 24, 2014 | Rakesh Krishnan Simha

Posted on 08/23/2014 7:47:26 PM PDT by sukhoi-30mki

Three decades after it was inducted into the Russian Air Force, the Sukhoi-27 remains the ultimate jet fighter with its super-maneuverability, grace, beauty and sheer power.

In 1984, after seven years of development and test flights, the Sukhoi-27 (codenamed Flanker by NATO) was inducted into the Soviet Air Force and the Soviet Air Defence Force. It was a defining moment in the history of combat aviation as the Su-27 – and its later iterations – became the jet fighter that would shift air superiority decisively away from western air forces. British fighter pilot John Farlight, who saw Victor Pugachev turn his Flanker 360 degrees in 10 seconds at the 2002 Paris Air Show said in an interview to Nauka I Zhisn (Science & Life) magazine: “What the Russians have achieved has astonished us to the bottom of our souls.”

Developed to counter the American F-15 Eagle, the Su-27 achieved much more, becoming a dogfight duke that ran the competition into the ground. With its range of over 3200 km, ability to fly 2.35 times the speed of sound, and astounding agility – despite its 30 ton weight – the Flanker wowed the masses as well as the world’s aviation experts. Says Farlight: “When you see there are no limits for an Su-27 or that the aircraft can go vertical, stop, slide down and then resume normal flight and perform this not once, not twice but time after time, you realise this is not an exception, not a trick, but a standard.”

Trouble at takeoff

When the Su-27 was being designed in the 1970s, the aim was to make it better than any jet fighter the Americans had in their inventory or on the drawing boards – the F-14, F-15, F-16 and the F-18. But when the first prototype flew on May 20, 1977 Sukhoi’s legendary aircraft designer Mikhail Simonov realised it wasn’t as good as the F-15. At great risk to his career, Simonov mustered the courage to go to the minister of aircraft industry, Ivan Silayev, to tell him the aircraft wasn’t up to scratch and needed more work. Silayev said: “It is a good thing today is not 1937,” implying that had it been Stalin’s Russia, Simonov would have been packed off to the gulag.

By the early eighties, the Russians had developed an aircraft that exceeded the capabilities of the F-15 – but only marginally. This wasn’t enough for Simonov. He didn’t want Russian fighter pilots to be in a dogfight where their opponents had an equal chance of winning. Russian pilots had to have overwhelming superiority.

“We realised in order to obtain a decisive advantage of the opponent our fighter would have to be not just more manoeuvrable but several times more manoeuvrable. In combat the advantage rests with the fighter that is able to turn around before its adversary. We have decided if we are able to make our fighter turn at twice the rate of the opponent, we will call this super-manoeuvrability.”

There would be no compromises: “To make the best plane that can defeat any enemy fighter we need to have the best engine in the world, the best radar, the best missiles in the world and everything else also has to be the best.”

Plane invincible

The end result was a fighter of unparalleled performance. During one of its early flights when the Su-27 was chasing down the F-15’s world records, the fighter had to start at full power from a dead stop. To achieve this Su-27 was tied to a tank with a cable. To the astonishment of the observers the aircraft started pulling the tank down the runway. The test crew had to then tie the tank to a bulldozer.

The 25 metric tons of thrust provided by its Lyulka engines rocketed the Su-27 into a vertical climb, breaking the sound barrier. In Simonov’s words, “No other aircraft, not even a space booster can achieve supersonic speed at such low altitude in a vertical climb. Normally this happens only in the upper regions of the atmosphere where air density is very low. However, we could achieve supersonic flight at an altitude of just 2000-3000 metres.”

The Su-27’s unmatched thrust-to-weight ratio and sophisticated control system allowed it to perform exceptional manoeuvres at very low speeds, such as raising its nose and standing on its tail – a stunt called the Pugachev Cobra, although it was first performed by Sukhoi test pilot Igor Volk. In June 1989 Reuters reported from the Paris air show: “Looks like the competition between Soviet and American fighters in the skies of Le Bourget has been won by the Soviet Union. The Russians succeeded thanks to their snake-like aircraft whose promising design and ease of control shocked the experts.”

Science of super-manoeuvrability

Super-manoeuvrability is the defining characteristic of the Flanker. Aviation expert Bill Sweetman explains how this can decide the outcome of an air battle: “Unpredictable flight paths challenge the guidance algorithms of any missile system.” Basically, by making the missile work harder the Su-27 effectively reduces its range. At the same time super-manoeuvrability boosts the Flanker’s own missiles. “Rapid nose-pointing can permit a short-range missile launch with a greater kill probability,” writes Sweetman.

One of the little known facts about the Flanker is that its super-manoeuvrability reduces its visibility on radar screens. Simonov explains: “Super-manoeuvrability should be looked at as a system of manoeuvres for close aerial combat. Once the pilot receives a signal that his plane is being tracked by enemy radar, the first thing he needs to do is to go vertical. While gaining altitude and losing speed the aircraft starts to disappear from the screens of radars that use the Doppler effect. “However, the opponent is no fool either and will counter by pitching his aircraft upward as well. By that time our plane is going vertical and its speed approaches zero. But all Doppler radars can recognise only a moving target. If the aircraft speed is zero or simply low enough to prevent the enemy radar from calculating the Doppler component, for the enemy our aircraft will disappear. He may still be able to track us visually, but he will not be able to launch a radar-guided missile (either active or semi-active), simply because the missile’s seeker would not pick-up the target.” While the Flanker’s manoeuvrability is legendary, its long range also comes into play in aerial combat. This allows it to perform repeated probes and U-turns – a Cold War Russian tactic – that can leave its opponent disoriented, exhausted and vulnerable in a dogfight.

Another little known aspect of the Su-27 is its spacious cockpit which allows more freedom of movement for the pilot. In fact, in the Su-34 (fighter-bomber version) the cockpit is so massive that the pilot can stand and move about inside during long missions. Test pilot Igor Votintsev’s longest flight lasted 15 hours and 42 minutes.

Flanker legacy

The Su-27 and its subsequent versions such as the Su-30, Su-34 and Su-35 mark a historic shift in air-power from the United States to Russia and the countries that use Russian defence technology. Whether in India, China, Indonesia or Venezuela, the Flankers have degraded the offensive and defensive capabilities of their western and western-backed opponents.

4++ generation Flankers are also making future western aircraft redundant. In July 2008, at the US Air Force’s Hickam airbase in Hawaii, in a simulated dogfight involving an attack by Russia’s Su-35 against a mixed fleet of American F-22 stealth interceptors, F/A-18 Super Hornets and the latest F-35 stealth fighter, the F-35 was “clubbed like baby seals” by the Super Flanker, adding to the beleaguered stealth fighter’s ongoing troubles.

Simonov summed up perfectly what Russian air superiority fighters have achieved – they play a critical role in international relations by providing “political equilibrium in the world.”


TOPICS: Foreign Affairs; News/Current Events; Russia
KEYWORDS: aerospace; aviation; flanker; russia; su27
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To: UCANSEE2

interesting video, but I take away two things from this interesting fantasy:

The training and capabilities of the pilot are paramount and missile tech needs some serious work. :)


41 posted on 08/23/2014 10:24:26 PM PDT by Pox (Good Night. I expect more respect tomorrow.)
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To: Pox
Fact is, the F-15 was far superior to the SU-27.

It was and still is. This article is tripe. No question, a premier fighter, buuuuttt.....

Even the latest fighters around the world would struggle against the -15. Add a combat experienced pilot?

Cya bye.
42 posted on 08/24/2014 12:59:41 AM PDT by 98ZJ USMC
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To: Rodamala

Right.
Because Russians NEVER crash....

https://m.youtube.com/watch?v=XhyUSnzClGk


43 posted on 08/24/2014 1:21:33 AM PDT by Kozak ("It may be dangerous to be America's enemy, but to be America's friend is fatal" Henry Kissinger)
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To: Kozak

What is a point of posting it? It isn’t even related to a topic (there are no Flankers in your video).


44 posted on 08/24/2014 2:26:06 AM PDT by wetphoenix
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To: wetphoenix

What was the point of “ what do you expect from Ukies”?.


45 posted on 08/24/2014 2:30:29 AM PDT by Kozak ("It may be dangerous to be America's enemy, but to be America's friend is fatal" Henry Kissinger)
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To: Kozak

You could post something from the French, Hungarian or even USN here, too.


46 posted on 08/24/2014 2:37:55 AM PDT by wetphoenix
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To: wetphoenix

And your point is?


47 posted on 08/24/2014 2:43:39 AM PDT by Kozak ("It may be dangerous to be America's enemy, but to be America's friend is fatal" Henry Kissinger)
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To: Kozak

I agree that a post #23 might look offensive for a Ukie, but your response is no better, especially considering a fact that Rodmala is certainly neither Ukrainian nor Russian.


48 posted on 08/24/2014 2:57:09 AM PDT by wetphoenix
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To: wetphoenix

And how would you know that?


49 posted on 08/24/2014 3:04:53 AM PDT by Kozak ("It may be dangerous to be America's enemy, but to be America's friend is fatal" Henry Kissinger)
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To: Chode

50 posted on 08/24/2014 3:05:07 AM PDT by klpt
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To: Kozak

Well, I might be wrong but there is nothing indicating the opposite. This thread is still about Flanker, not crashing Fulcrums.


51 posted on 08/24/2014 3:09:41 AM PDT by wetphoenix
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To: wetphoenix

Happy now?
http://en.ria.ru/russia/20080729/115165109.html

http://en.ria.ru/military_news/20110406/163400537.html

http://www.militaryphotos.net/forums/showthread.php?138821-Su-27-Flanker-fighter-crashes-in-Russia-s-Far-East-1-pilot-dead

He took a gratuitous swipe at Ukrainians. Just pointing out not exactly unique. And frankly considering current events I’m not too overly sensitive to any Russians hurt feelings.


52 posted on 08/24/2014 3:17:25 AM PDT by Kozak ("It may be dangerous to be America's enemy, but to be America's friend is fatal" Henry Kissinger)
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To: Kozak

Ok, keep going if it makes you entertained. Still seems a bit silly to me.


53 posted on 08/24/2014 3:21:15 AM PDT by wetphoenix
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To: wetphoenix

Thanks for the permission. I’ll keep it in mind.


54 posted on 08/24/2014 3:27:10 AM PDT by Kozak ("It may be dangerous to be America's enemy, but to be America's friend is fatal" Henry Kissinger)
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To: Rodamala

Thanks for the post! I’ll read that.


55 posted on 08/24/2014 5:16:48 AM PDT by miliantnutcase
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To: Pox

Sure, the F-35 was meant to be the multirole element to the F-22. However, times have changed and the number of F-22s budgeted for has plummeted. So, you’ll in theory have the F-35 assuming more air superiority rules than it was envisaged for. And a lot of nations-Norway, Australia etc are throwing all their bets on the F-35 without an air superiority option in hand. With US seen to be backing away from international engagement, can these countries count on the USAF for support?

Of course, despite what the naysayers say, the F-35 WON’T be a dog in aerial combat. It’s stealth and sensors will offset its aerodynamic deficiencies, but those still remain a matter of concern.


56 posted on 08/24/2014 5:20:03 AM PDT by sukhoi-30mki
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To: klpt
~same size as an F-111
57 posted on 08/24/2014 5:39:41 AM PDT by Chode (Stand UP and Be Counted, or line up and be numbered - *DTOM* -vvv- NO Pity for the LAZY - 86-44)
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To: eartrumpet
I wonder if the F-15's record that they were chasing down was also set with the F-15 tied to a tank, or was it from a rolling start?

From "brake release", whatever that might have been. From The Museum of the U. S. Air Force:

The museum's single-seat F15A, nicknamed "Streak Eagle," broke eight time-to-climb world records between Jan. 16 and Feb. 1, 1975. In setting the last of the eight records, it reached an altitude of 98,425 feet just 3 minutes, 27.8 seconds from brake release at takeoff and "coasted" to nearly 103,000 feet before descending.

58 posted on 08/24/2014 6:37:39 AM PDT by GBA (Here in the Matrix, life is but a dream.)
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To: Blood of Tyrants

Maybe the Rooskies are having a Labor Day sale...


59 posted on 08/24/2014 6:37:40 AM PDT by Eric in the Ozarks (Rip it out by the roots.)
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To: Chode
The Su-34 is the ugly sister in the Sukhoi Su-27 family and to my eye she's quite a bit more homely than the F-111, even on a bad hair day.

The Su-35 and Su-37, on the other hand, scary hot and dangerous. Exactly the kind Momma warned you about.

60 posted on 08/24/2014 6:53:10 AM PDT by GBA (Here in the Matrix, life is but a dream.)
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