Sukhoi Su-15 FLAGON

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The Sukhoi Su-15 (NATO reporting name 'Flagon') was a twin-engine interceptor aircraft developed by the Soviet Union in the 1960s to replace the Sukhoi Su-11.
As one of the V-PVO's principal interceptors, the Su-15 was involved in a number of incidents with foreign aircraft. One such attack was in 1978, when Korean Air Flight 902 was attacked over Murmansk by a PVO Su-15. Although the civilian aircraft survived the missile hit, two passengers were killed, and the damaged plane subsequently made a forced landing on a frozen lake. In 1981 a Baku, Azerbaijan-based Su-15 deliberately rammed an Iranian Canadair CL-44 after it strayed into Soviet airspace.[1] More notorious was the Korean Air Flight 007 incident in 1983, when a Korean Boeing 747 was shot down by a Su-15TM based on Sakhalin, killing all 246 passengers and 23 crew [1].

Although it was produced in large numbers (1,290 of all types), the Su-15, like other highly sensitive Soviet aircraft, was never exported to the Warsaw Pact or any other country. Some Su-15 were deployed in Egypt in 1972 but were used with Soviet crews.

In Russia, the Su-15 was abruptly retired in 1993 to comply with the Treaty on Conventional Armed Forces in Europe. Most were hastily scrapped in favour of more advanced interceptors, including the Su-27 'Flanker' and MiG-31 'Foxhound.' In Ukraine, the last Su-15s (at Kramatorsk and Belbek) were withdrawn from use in 1996.

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• su
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• FLAGON
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[BitnikGr]

Armament:

Gun - none

...

I don't like it :)

[odzadze123]

@BitnikGr

Sukhoi Su-15 FLAGON ___( Rare Videos 4 & Technical Data)

watch?v=w4Vq1kINiZE

[su27forserbia]

All the Best comes from Sukhoi :) !!!

[gosciu555]

Cool looking plane.

[dot13badj]

It makes me remid the F-105, may be the lines it has... But nice russian beast!

Thanks for share it with us!

[EagleOwlHayakawa]

@BitnikGr You should have watched this vid more carefully. It has no integrated gun, but it has installed autocannon and gun-pods. More to add first modifications of Phantom II (that it should be compared to) had no guns/cannons at all. Hope now you will like it :)

[odzadze123]

@Spadadiforza

Other factor are already known,Su-15 are faster 2.5 Mach,and F-14 top speed is Mach 2.34!

According to the manufacturer's specifications,Su-15 armed can go up to 2.1 Mach.

F-14 are much slower,only 1.88 Mach.

Thrust to Weight ratio is simmilar, for Su-15 is 0.90,and for F-14 is 0.91.

But Sukhoi Su-15 Thick and very Small wing will produce less induced drag than a wing of F-14 (Despite variable-sweep wing Configuration).

G Limits are Simmilar,for F-14 Max is 6.5G.

for Su-15 is 6G

[odzadze123]

@Spadadiforza

Engine for Sukhoi Su-15,Tumansky R-13 (Turbojet) Have Low Bypass Ratio 0.46. - 0.437 . (this means that there is less air resistance and friction in the engine core) and Pressure ratios are 9.5:1

That means that Engine Consume decent amount of Fuel,and have a Slower "Subsonic" Acceleration

but when Turbines Spool up,Engine Efficiency at Supersonic Speeds Improve Dramatically.

And Turbojet engine continue to speed up,where the Turbofan engine has already stopped.

[odzadze123]

@Spadadiforza

I will love to see this video,do you have a Link?.

First,it is Practicly Impossible that F-14 can chase Su-15 at "Supersonic speeds"

Becouse of several factors!

F-14 (Turbofan) engines GE F-110,have a High Bypass Ratio 0.85 (0,9) and pressure ratios are 29.9:1 - 30.4:1,and that mean that their Efficiency at Supersonic speeds and at High Altitudes drastically Decline!

Good for Fuel Efficiency and Subsonic acceleration but..

Older Turbofan engine for F-14A (P&W T-30) are even worse

[Spadadiforza]

@odzadze123

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There is Video on here of US F14's getting behind an SU15 and kept it in its sights even with SU15 with afterburners on.

[odzadze123]

@BitnikGr

Gun - none,It's Happens :/

Many Aircrafts from 60s suffer from the same engineering misconceptions.

F-4 fantom is best example.

...

Later Soviets developed provision for UPK-23-250 gun pod,for Su-15TM (NATO "Flagon-E")

Generaly Speaking Su-15 is High Speed Interceptor,capable for 2.5 Mach (Clean) and 2.1 Mach Armed.

In Supersonic range of Speeds,even today there is no such plane in western Hemisphere that could Chase Su-15!

In Acceleration Su-15 is only suprassed by Mig-25 and Mig-31