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    Russian Air-to-Air missiles

    GarryB
    GarryB

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    Post  GarryB Sun Sep 20, 2020 6:03 am

    Yes and no. They have ARH and IR MICA which are used as bvr and wvr missiles and they have 80km ranges (but it could be >100km in the same conditions when a r-77-1 reaches 110km). French give generally effective ranges and not "max" ranges for their missiles.

    Indeed.... if they were American missiles you would probably double it.

    The ranges in the sales brochures mean nothing, but some people think they are set in stone... if you get 110km away from an R-77-1 then you are dead... which of course is bullshit.

    110kms is both aircraft at high altitude and heading towards each other... the target being something that can't or doesn't pull more than 2-3 gs and certainly does not turn away and keeps closing with you.

    In the pilots manual it will likely have a range of 60-70km as launch range... that way if they stop closing it will still get to them... In other words kill probability (PK) is not 100%... probably more like 40% against a target that does not know it is coming... at 100km the PK is probably about 4% for a fighter... maybe 10-20% for a bomber which BVR missiles were designed for... note remember in the manual the pilot wont be launching anything at 100km unless it is a warning shot to tell them to keep clear and I don't want a fight right now because I am doing something else or I am low on fuel... this shot will distract you while I leave...

    They don't have a r-73/Sidewinder type.

    Funny because for a while the Soviets had two... The R-3 and R-13 were essentially Sidewinder developments, but for aircraft whose job is something other than being a fighter or interceptor they had the R-60 mini missile which was rather good for what it was but was not intended to be a sidewinder replacement.

    Su-24s and Su-25s carried them, but their small size and light weight (ie some models were 45kgs with a 7km range) they had a twin launch rail so aircraft like the MiG-23 started carrying them on twin pylon mounts, which effectively meant they had two BVR missiles under the inner wings and four R-60s under the front fuselage two pylons, which was carried on to the MiG-29 on 6 pylons.

    The R-60 and the Sidewinder models were replaced with the much more capable R-73 which is still used by everything that wants a short range self defence missile.

    They are developing a new replacement for the R-73 that gets all sorts of names... R-74 et al, but the Morfei or 9M100 seems to be different... the 9M100 is smaller... a bit like a new R-60, with the R-74 or whatever replacing the R-73.

    I suspect both new missiles will have two way datalinks and lock on after launch capacity, as well as thrust vectoring rocket motors... the Morphei will be small and slim and intended mostly for self defence shooting down SAMs and AAMs for fighters and bombers. The R-74 or whatever will be much bigger and longer ranged with a bigger warhead for hitting aircraft and other targets at greater ranges.

    The fact that it might need to turn 180 degrees on launch makes me think that Morfei and Hermes are likely not the same missile, though they might share the same guidance and datalink... I don't think the Hermes will be as manouverable as the Morfei will need to be.

    On ships in redut launchers each tube for the 9M96 it will be able to fit 4 9M100s, and most ships will have Pantsir as well and possibly naval TOR too.

    It is worth having combinations because the Morfei wont start out cheap, but good quality QWIP sensor chips can be stamped out in enormous numbers making the price go down to the level of a camera phone element, but the datalink will be a video link showing what the missile sees... wont be super cheap... TOR and Pantsir are command guided missiles that will remain super cheap and very accurate.

    Meteor is a mach 3-4 and can reduce its speed smart way.

    That is true the Meteor can run its engine at full power and recover speed if its flight performance gets sluggish... but what I am getting at is that like most missiles it is not an aircraft it is a projectile. The fins it has on it do not create lift and hold it up in the air like wings on a plane do... to stay in the air it needs speed or its body weight will no longer be supported. When you get above about mach 5 you get something called body lift and many hypersonic weapons and aircraft are shown with little in the way of wings but a flattened body and rely of airspeed for lift.

    The Hollywood vision of an air to air missile effectively dogfighting with a fighter aircraft or any other type of aircraft is bullshit... especially when the missile misses and then turns around to have another go... moving at similar speeds to the target it is trying to hit... like it is a torpedo or something...

    Even when you see RPG rocket launchers in movies they are slow, though they often do play it in slow motion, or pretend to to get their cheap home made rockets to look like they are going faster than they actually are...

    I remember an episode of Mythbusters where they fired a real RPG-7 and they were shocked at how fast it was.... it leaves the muzzle at about 188m/s, but after travelling about 30-40m it starts its own sustainer rocket motor and accelerates to supersonic speed... I seem to remember about 375m/s... which is damn fast.

    Air to air missiles go much faster or they would drop like rocks.

    What you say applies for R-37M. And that's why it is used against awaxs or cruise missiles that have straight trajectories.

    It is much worse for R-37M because it probably has a low burn rocket motor that burns for most of the flight but it burns at such a low rate it is effectively countering drag so it is helping maintain speed better it is not adding speed just slowing down the rate at which the missile slows down while coasting to the target area to then dive down and attack the target.

    When you are coasting hard turns will destroy air speed and make you rapidly approach that stall speed when you drop like a rock... with no wings for lift the stall speed of any missile is very high.

    The fancy tail lattice fins of the R-77 do not generate lift... a tiny little triangular fin can redirect air and cause the missile to turn, but you can't deflect it too far otherwise it stops redirecting the air and starts acting like an airbrake and not turning the missile the correct direction. The grid fin design of the R-77 and a lot of other high speed missiles allow the fin to be turned to sharper harder angles and not stall and turn into an airbrake, so it allows much harder turns at very high speed without failing and turning into an airbrake... it means the missile can turn harder and chase targets pulling more g than the smaller control fins can... of course trying to turn too hard and you will find it acts as a super enormous airbrake... but I assume they know all of this and have programmed the missiles flight control system so that if it does turn into a massive airbrake trying to make a turn that they use the opposite control to create the air brake and the normal control less so that it provides turning force. Having a strong turning force on one side and on the opposite side a structure turned too far acting like an airbrake should allow an eye watering turn to be executed.

    BTW the unusual butterfly front control surfaces on the R-27 are actually designed to create less drag in a turn and more turning force in a turn... it effectively works like a forward swept wing. On a normal triangle swept wing there is span wise flow that travels down the fin and off the end forming a vortex of drag... when turned to high Angles of Attack (AoA) that vortex means extra drag as well as turning force until it stops generating turning force and is just an airbrake.

    With the control fins on the R-27 the airflow effectively goes the other way because of the forward sweep angle so when it hits the wing root it can't form a vortex off the wing tip which reduces drag and preserves more turning force.

    I answer her.

    I think that future missiles will have dual seakers. ARH and IIR. A bit like the new kh58USHKe that has a passive anti radiation radar and IR seaker.

    Modern electronics are small enough to allow both on a same missile.

    I agree... multi function seekers will become much more common, but really not new. The Soviet version of the Styx anti ship missile could be exported with radar or IR seekers. Back to the topic of Brahmos as an Air to Air Missile, India actually used some anti ship missiles against ground targets... they had IR seekers and were used against Oil Storage areas in Pakistan. They timed their attack in the early evening or at night because the day sun had heated the oil in their huge storage tanks but the ground surrounding cooled rapidly at night so the oil tanks stood out in IR and were easy to target with the missiles (which normally work by spotting ships in sea water... which is almost always a contrast because the sea will be a different temperature from a ship almost anywhere...)

    The point I am making is that the domestic missile was so big that they had both the radar and the IR seeker on their version so they could use either or both guidance options.

    It was not a case of miniaturised electronics and sensors, more a case of a very very big missile.

    They did that a lot... their SS-N-14 Silex anti submarine missile was a rocket powered missile that carried a torpedo out to where a sub was detected and dropped the torpedo into the water to hunt down and sink the sub. The Udaloy Destroyers carried it as standard main armament but it didn't have any anti ship weapon... so it could hunt subs but any corvette could sail up and attack her and all she had to defend herself with was 100mm guns.

    The Metel missile was considered to be the same weapon as the Australian Ikara which also launched torpedo via missile to where the target was from a ship so the torpedo could then  chase down and sink the sub... the difference is that the missile the Soviets used... had an IR sensor in the nose in later models that could be used to passively detect and home in on surface ships totally passively. The rocket that carried the torpedo also had a 300kg HE warhead... which was actually massive overkill because it did not drop the torpedo so it had a two ton torpedo with its warhead and fuel as well as a 300kg warhead that could be used against surface ships as a backup. Most of the time when there was no enemy ship but there was a sub the torpedo was dropped and did its job and the IR seeker and warhead did nothing. It was easier to add that to the design than to add an anti ship missile for self defence... though a Udaloy is a big ship and they probably could have fitted Kh-35s if they needed to.

    The new replacement for metel is 91ER1, which is just a rocket boosted torpedo with little anti ship capacity.... its ballistic trajectory gives no warning to the sub but a ballistic mach 2.5 target should be fairly easy to shoot down by most modern ships these days... the torpedo itself is a small 350mm torpedoes so would damage most ships but not be catastrophic... the same launch tube could carry a range of other missiles to deal with surface ships.

    I would add that modern missiles with different sensors like IR and radar will actually have the processing power to actually effectively use both, for instance for an AWACS killer missile the passive radar signal from the plane will indicate from a very long way away it is there, but the IR signature of all that radar energy generating heat can also be used to find it and when you get close active radar could be used if needed to precisely locate the target again if they are being tricky with jammers and flares and chaff etc etc.

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    Sujoy
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    Post  Sujoy Sun Sep 20, 2020 10:48 pm

    GarryB wrote:Back to the topic of Brahmos as an Air to Air Missile.
    They have not revealed the specs yet but I suspect this is going to be a new missile that Brahmos is going to design.

    BRAHMOS is a company. A joint venture between NPO Mashinostroyeniya and India's Defence Research and Development Organisation.

    Good to know that NPO Mashinostroyeniya has expertise in developing air to air missiles as well. Eagerly waiting to find out what the specs will be.

    GarryB wrote:India actually used some anti ship missiles against ground targets... they had IR seekers and were used against Oil Storage areas in Pakistan.
    Indian Osa-class boats that fired P-15 Termit.
    Isos
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    Post  Isos Sun Sep 20, 2020 11:15 pm

    Brahmos as an air to air missile is stupid just like it was stupid to choose it as an air-to ground missile. It's too heavy and only a couple of su-30 can carry it. Ks-172 is a beter solution for anti awacs use since a mki can carry two or three.

    Indian were stupid on that choice just like on many others.  They could have taken the kh-31 as a basis and would be much better and cheaper and accessible in greater numbers on more plateforms for more roles.

    Kh59MK2/kh69 is also a good basis they should ask for a new coproduced missile like brahmos... Its optical seaker can make it a wonderfull anti ship missile like norwegian NSM. It should even replace kh35 because with an IIR seaker it woukd be a passive missile and very hard to protect from since even flares won't work and most ships sail radars turns off to evade detection.

    The range of the brahmos is also 300-400km which isn't even used at max range as Oniks (>660km). Even the naval brahmos sucks since it is outrange by most of chinese new missiles. Their naval plateforms sucks too. They have destroyer of >160m and can carry only 16 uksk cells, even the newest ones beig buuld right now.

    The only good point would be to make that little brahmos that they presented which is half or so the size of actual brahmos with same performances.
    Sujoy
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    Post  Sujoy Mon Sep 21, 2020 9:56 am

    Isos wrote:Brahmos as an air to air missile is stupid just like it was stupid to choose it as an air-to ground missile. It's too heavy and only a couple of su-30 can carry it.
    Yes. However, Sukhois and Mig 29s will carry a mini Brahmos air to ground missile.  

    Isos wrote:Ks-172 is a beter solution for anti awacs use since a mki can carry two or three.
     I don't understand why India needs another long range air to air missile. Meteor is now available as is the homegrown Astra. All indications are that export version of R -77-1 BVR missile has also been procured.

    Isos wrote:Indian were stupid on that choice just like on many others.  They could have taken the kh-31 as a basis and would be much better and cheaper and accessible in greater numbers on more plateforms for more roles.
     KH-31 too would have been available for just 2 platforms - Su 30MKI and Mig 29 UPG.

    Isos wrote:Kh59MK2/kh69 is also a good basis they should ask for a new coproduced missile like brahmos... Its optical seaker can make it a wonderfull anti ship missile like norwegian NSM. It should even replace kh35 because with an IIR seaker it woukd be a passive missile and very hard to protect from since even flares won't work and most ships sail radars turns off to evade detection.
     Since specs for this purported AWAC killer version of Brahmos is not available, can't comment on its seekers.

    Maybe they will get a great seeker if this project takes off. India does use the original Kh-59. Also India will get the NSM for the MH 70 Helos. Why do you suggest that the seeker of the Kh59MK2/kh69 is great ?
    GarryB
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    Post  GarryB Mon Sep 21, 2020 12:03 pm

    They have not revealed the specs yet but I suspect this is going to be a new missile that Brahmos is going to design.

    BRAHMOS is a company. A joint venture between NPO Mashinostroyeniya and India's Defence Research and Development Organisation.

    Good to know that NPO Mashinostroyeniya has expertise in developing air to air missiles as well. Eagerly waiting to find out what the specs will be.

    I would be guessing that it will be a slightly enlarged and ramjet or scramjet powered R-77 as a counter part to Meteor...

    Brahmos as an air to air missile is stupid just like it was stupid to choose it as an air-to ground missile.

    They could have made it much smaller if it was for shooting down planes because the warhead would be much smaller, and I suspect the air to air model will also be much smaller... probably somewhere in between an R-77PD (ramjet powered R-77) and a Kh-31... essentially a 600kg anti radiation or light anti ship missile that could also be used against large slow AWACS types. Making it smaller would mean its flight range is rather better, which is probably the most important feature... I would expect it would be a scramjet design rather than a ramjet one...

    Indian were stupid on that choice just like on many others. They could have taken the kh-31 as a basis and would be much better and cheaper and accessible in greater numbers on more plateforms for more roles.

    The Kh-31 does not have the warhead capacity to take on bigger ships.

    Kh59MK2/kh69 is also a good basis they should ask for a new coproduced missile like brahmos... Its optical seaker can make it a wonderfull anti ship missile like norwegian NSM. It should even replace kh35 because with an IIR seaker it woukd be a passive missile and very hard to protect from since even flares won't work and most ships sail radars turns off to evade detection.

    The Kh-59M entered service in the late 1980s... if they wanted that they have had plenty of time to buy it...

    The range of the brahmos is also 300-400km which isn't even used at max range as Oniks (>660km). Even the naval brahmos sucks since it is outrange by most of chinese new missiles. Their naval plateforms sucks too. They have destroyer of >160m and can carry only 16 uksk cells, even the newest ones beig buuld right now.

    The range of the original Brahmos missile was limited because it was based on the Export model of Onyx called Yakhont... with all the money they spent on it there is no reason they couldn't extend the range by quite a bit.

    Isos
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    Post  Isos Mon Sep 21, 2020 12:22 pm

    Why do you suggest that the seeker of the Kh59MK2/kh69 is great ?

    It's a passive seaker and with a software modification it could be used to recognize and target ships or land targets.

    The missile is stealthy and has a range of around 500km.

    The Kh-31 does not have the warhead capacity to take on bigger ships.


    You can put more of them on a ship. Chinese use their own version of kh31 on new ships, Sovs were modified with them instead of Moskit.
    Isos
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    Post  Isos Thu Oct 08, 2020 1:48 pm

    Is it an intakes for a ramjet engine ? The front is different from the back and looks like an intakes.

    According to my calculation I find a size of 4.2m while the r-77 is 3.60m.

    Russian Air-to-Air missiles - Page 14 Screen12

    Edit: Thrre may have actually 2 new missiles.

    Russian Air-to-Air missiles - Page 14 Ejig4n10
    LMFS
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    Post  LMFS Thu Oct 08, 2020 2:46 pm

    Isos wrote:Is it an intakes for a ramjet engine ? The front is different from the back and looks like an intakes.

    According to my calculation I find a size of 4.2m while the r-77 is 3.60m.

    The strakes haver different sweep to the tail fins, that and the perspective may mislead us into thinking there is an intake. But the quality of the picture is too low to be sure...

    How did you measure the missile? 4.2 m would indeed make sense in order to make the missile use the bays the best way possible and also increase substantially its range, but would preclude it from being placed staggered in groups of three missiles as had been suggested by some people. The missile looks very similar in dimensions and proportions to the PL-15, maybe it has a similar range too. In any case making it so thin and long with small conventional fins seems indeed an optimization for long range.
    Isos
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    Post  Isos Thu Oct 08, 2020 3:11 pm

    IMO the resolution of the picture is good enough to see two different missiles.

    I found 4.2m by cross multiplication. I found one image of a su-57 which is 19.70m long and measured the lenght on the pic and the lenght of the bottom of the engine which gave me 9.25m for the engine lenght.

    Then I measured the lenght on the pic of the su-57 carrying the new missiles of the same bottom engine knowing it's 9.25m and measured the lenght of the missile and did another cross multiplication.

    Not very precise but it should be around 4.2m long.
    GarryB
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    Post  GarryB Fri Oct 09, 2020 5:36 am

    Hard to tell with that image but it might just be a forward sweep angle to the stabiliser fins...

    They have said the R-77PD is on hold and the R-77M is the focus to get it into service quicker... and the R-77M is supposed to be a 220km range model with larger rocket motor to extend range with a second stage which can be started independently of the other stage... ie first stage launch the missile and climb to altitude and accelerate and then coast for a bit towards the target and then light up the second stage motor to accelerate towards the target and attack it with greater speed and energy.

    I think the change with the mid length stabilisers is that the leading edge is a forward sweep and the rear portion is angled the same...

    In other words instead of being square... |________| I think it is swept /________/ but swept forward rather than back...
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    Post  Isos Fri Oct 09, 2020 10:04 am

    The missile above is more like |____/ which looks like a ramjet.

    The second one is more like \_____/ which is the rocket powered.

    The picture is clear enough.

    IMO one could be for export because the r-77 that most countries use is outdated compare to meteor/amraam.
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    Post  GarryB Sat Oct 10, 2020 2:35 am

    I don't think the picture is clear at all...

    Is that a belly mounted air scoop that is visible because the main strake wings are folded, or is it just folded wings that look like an air scoop...

    I want to see Vitalys photo of it sitting on a trolley next to the plane at an airshow...
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    Post  Isos Thu Nov 19, 2020 5:57 pm

    Video of the launch of the r-77 missile from a Su-30MKM. Mecanism of launch also displayed.


    https://mobile.twitter.com/StasSwanky/status/1329079334238257153

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    Isos
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    Post  Isos Fri Nov 20, 2020 10:43 pm

    Found on twitter. Take it with a grain of salt unless you can track the source (bastion kar..) on the bittom. Some here share pictures from this source on this forum so it may be a real picture.

    R-77M tested from Su-30SM.

    To me it looks like a MKM rather than a SM but who knows. Maybe its a testbed Su-30.

    Russian Air-to-Air missiles - Page 14 Em385j10

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    medo
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    Post  medo Fri Nov 20, 2020 11:01 pm

    Isos wrote:Found on twitter. Take it with a grain of salt unless you can track the source (bastion kar..) on the bittom. Some here share pictures from this source on this forum so it may be a real picture.

    R-77M tested from Su-30SM.

    To me it looks like a MKM rather than a SM but who knows. Maybe its a testbed Su-30.

    Russian Air-to-Air missiles - Page 14 Em385j10

    It's one of prototypes owned by Sukhoi. It could be converted in any version from MKI, MKM to SM or even SM2. It would be logical, that this plane was converted in SM2 to test it before the first official Su-30SM2 will be shown. That save a lot of time. Also testing R-77M on SM2 could at the same time integrate it on Su-35.

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    Post  thegopnik Thu Dec 24, 2020 7:16 pm

    Isos wrote:Is it an intakes for a ramjet engine ? The front is different from the back and looks like an intakes.

    According to my calculation I find a size of 4.2m while the r-77 is 3.60m.

    Russian Air-to-Air missiles - Page 14 Screen12

    Edit: Thrre may have actually 2 new missiles.

    Russian Air-to-Air missiles - Page 14 Ejig4n10

    193km+ is the range of the K-77M, It would be nice if they just removed whichever western news reporter made that statement that its same range as aim-120D.

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    Post  thegopnik Wed Mar 03, 2021 4:19 am

    https://topwar.ru/180422-rossija-strjahivaet-pyl-s-zapozdaloj-rakety-zapadnyj-obozrevatel-o-vozobnovlenii-rabot-nad-raketoj-300m.html?yrwinfo=1614741125598032-129945286050293194500230-prestable-app-host-sas-web-yp-44

    Moscow is shaking off the dust with a belated missile designed for close air combat.

    writes Western columnist Douglas Barry for the IISS think tank.
    According to him, after almost 20 years of downtime, the STRV group seems to have resumed work on a project to create a successor to the R-73.


    The lack of an advanced short-range missile carrier is a notable omission in the VKS missile arsenal, as well as a gap and weakness in the KTRV export portfolio.

    Douglas Barry believes, pointing out that the successor of the R-73 under the designation K-30 began to be created in the mid-1980s as part of the program to develop a multi-role front-line fighter MFI. After 10 years, the work was stopped.

    Instead, the Air Force continues to rely on more modest R-73 improvements to meet the growing demands of short-range missiles, and even they have begun to appear relatively recently

    - the author writes, explaining that the modernization of the R-74M (or M1), which has improved defeat capabilities and increased detection range at the GSN, was presented only in 2016. A further version of the P-74M2, which involves the replacement of infrared GSN, is in the final stages of testing.
    A completely new product should be 300M. However, the current R-74M1 missile in its export form RVV-MD "faces growing problems in traditional markets."
    China has a much more powerful infrared-guided MISSILE, the PL-10, while India has purchased a "British missile" ASRAAM for some of its non-Russian-made aircraft and is exploring the possibility of integrating it with the Su-30MKI.

    Surely only a successor missile will avoid further reduction of market share

    The columnist concludes.


    Alot of Feb 16 2021 news of the izdeliye 300m missile. Finding performance estimates are a cluster fuck so RVV-MD is like 40kms, K-74M is like improved boresight performance, K-74M2 is new seeker, reduced cross section(reduced size or stealth material?) and an increased range. than the Izdeliye 300M is a new design to supersede the K-74M2?

    Is that about right? scratch

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    Post  Flanky Sat Jun 12, 2021 4:56 pm

    thegopnik wrote:

    Alot of Feb 16 2021 news of the izdeliye 300m missile. Finding performance estimates are a cluster **** so RVV-MD is like 40kms, K-74M is like improved boresight performance, K-74M2 is new seeker, reduced cross section(reduced size or stealth material?) and an increased range. than the Izdeliye 300M is a new design to supersede the K-74M2?

    Is that about right? scratch

    Do they not plan to put the izdeliye 300 on the Su-57?
    I think i have read something like that.
    Which would imply the project has been in development for a long time.
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    Post  GarryB Sun Jun 13, 2021 10:03 am

    Despite being written off the R-73 is still a potent and capable missile.

    Plans to replace it have come up from time to time but as I keep repeating... the mantra for the Russian military is whatever is in service they wanted a max upgrade that fixes most of its obvious problems and then a from scratch new design in parallel to eventually replace it in service.

    Whether it is the AK-74M, with the AK-12 replacement and who knows what from scratch design going forward, to T-72 upgrades and T-90 upgrades with T-14 and B-xx and K-xx replacements for the future, or Su-35 being the Su-27MM, with the Su-57... etc etc.

    The main problem was that the upgrade for the R-73 was being developed in the Ukraine...

    There is talk of the K-30 and that might be the air designation for the 9M100 being developed for the S-350 on land and the Redut system at sea short range lock on after launch missile that would be suitable for internal weapons bay carriage on fighters and bombers and helicopters and drones...

    The new missile was supposed to be fully imaging IR seeker design with a full thrust vector rocket motor.

    The current missiles we know about are all fully upgraded previous models, but next gen missiles will likely be revealed soon for use with next gen fighters and bombers that include the Izd 800 replacement for the R-37M, a new replacement for the R-77M and of course a new replacement for the R-74M.

    We have no idea when the new weapons will be revealed but we do know that the R-73 is a good missile anyway.

    Would not put a lot of trust in a western think tank... their job is to write articles that conform to the propaganda agenda of the organisations that pay their bills.

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    Post  ALAMO Sun Jun 13, 2021 10:33 am

    GarryB wrote:Despite being written off the R-73 is still a potent and capable missile.

    It is a kind of an understatement.
    When true potential or R-73, combined with its helm-mounted guidance was revealed back in the early 90s, it was again a moment when "west" stood still with jaw dropped.
    Ex-german 29s were just blowing the opponents out of the sky, once tested.
    It turned out, that as R-27 has some disadvantages, mostly due to N019 shortages, R-73 has no competition.
    With its modernization program leading as far as K-74, the missile is still one of the best in its class in the world, and when introduced in mid-80s, it has no analogs for more than a decade.
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    Post  Rasisuki Nebia Sun Jun 13, 2021 11:08 pm

    ALAMO wrote:
    GarryB wrote:Despite being written off the R-73 is still a potent and capable missile.

    It is a kind of an understatement.
    When true potential or R-73, combined with its helm-mounted guidance was revealed back in the early 90s, it was again a moment when "west" stood still with jaw dropped.
    Ex-german 29s were just blowing the opponents out of the sky, once tested.
    It turned out, that as R-27 has some disadvantages, mostly due to N019 shortages, R-73 has no competition.
    With its modernization program leading as far as K-74, the missile is still one of the best in its class in the world, and when introduced in mid-80s, it has no analogs for more than a decade.

    Hmm didn't know that from the German perspective, you live and learn thumbsup
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    Post  GarryB Mon Jun 14, 2021 2:52 pm

    It turned out, that as R-27 has some disadvantages, mostly due to N019 shortages, R-73 has no competition.

    Feel sorry a bit for the R-27 in that situation but of course as usual the west is too arrogant for its own good... they played down the results because the pilots they actually ended up using for the tests were West German pilots... they didn't keep the East German pilots because they didn't play the game correctly... ignoring that they were taught to play the way their opponent was taught to play which actually made them more valuable than the planes they got the use of.

    The point is that the R-27 came in a huge range of missile option types in the Soviet Air Force, but the only R-27 missiles cleared for use by the MiG-29B (which is the MiG-29 for communist allies in Europe, compared with the monkey model MiG-29A which had late model MIG-23 systems fitted to it instead) were the SARH model R-27R. The MiG-29 illuminated the target with a thin pencil beam from its nose mounted radar and the R-27R got a lock and was launched towards the target homing in on the reflected radar energy.

    While being the weakest version of the missile at the time it was a BVR missile at a time when the F-15 had Sparrow missiles and the F-16 had only sidewinders.

    The point is that most of the upgrades of the MIG-29 including the S model added the rest of the range of R-27 missiles which included the IR guided T model R-27T that had the same IR seeker as the R-73 at the time but with a larger missile the front window was larger so it had a wider angle of view so it could be used against even more manouverable targets, but without thrust vectoring it could not turn like an R-73 missile and hit targets 300m away from the aircraft like the R-73 could.

    The upgraded MiGs could also carry the R-27P which was kept secret at the time, and also the enlarged R-27E models of all three of these missiles with a more powerful rocket motor... higher flight speed and longer effective range that were normally carried by the Su-27.

    The R-27P and R-27EP were the pivotal missiles the west didn't know about and really did not understand because they were passive radar homing missiles... in a SARH missile engagement the R-27P or R-27EP could be launched as soon as an F-15 locked your aircraft to fire a Sparrow missile at you, or a British Tornado locked you to launch the British version of the Sparrow... the Sky Flash, or an F-4 or F-14 or any other western aircraft firing a sparrow SARH at you.

    The R-27P/EP locked on the pencil beam from the radar of the aircraft attacking you and could be fired as soon as you were illuminated. Both models were faster than Sparrow and the EP model was significantly longer ranged as well as much faster and used a lofted trajectory to get there quicker too.

    Once you fired the R-27P/EP you were free to turn away or do anything you liked... your missile was faster than his and when your missile hit him then any missile he might have launched at your will loose guidance and miss you. While illuminating your plane to fire a Sparrow at you he cannot scan for incoming missiles so he wont see your missile coming.

    Essentially the R-27P and R-27EP rendered western BVR missiles worse than useless because they got the launch planes shot down most of the time.

    Stopping illuminating half way through an attack means the Sparrow will automatically miss.

    This rendered HATO BVR missiles of the cold war period useless meaning only close combat where R-73 missiles with helmet mounted sights would have made it a massacre.

    The west now knows about the passive homing R-27s but ignores them... you can see they openly offer them for export...

    P and EP Passive

    I would expect these days the shorter ranged model R-27P with its shorter range and being lighter and smaller could be used to shoot down incoming ARH missiles like Meteor or AMRAAM potentially just by doing what they do... homing in on the pencil illumination beam...

    72km range for the small missile in a head on attack...

    I seem to remember that in tests with F-16s got onto the tails of the MiG-29s about 62% of the time but 100% of the time had already been shot down with the R-73. The flares of the MiG were effective against the latest model Sidewinders but western flares were not effective against the R-73.

    Against the F-15s the extra radar power allowed them to jam the MiG-29s smaller radar and prevent stable locks for R-27R SARH missile shots, but obviously if they had R-27P then the F-15 would not be able to use its Sparrow missiles and would have to close in where the MiG would eat it for breakfast...

    It was after these tests that the AMRAAM programme got massive funding and was made a priority and instead of funding the ASRAAM they just upgraded the Sidewinder with a new seeker.

    The original logic was that the UK would design and make ASRAAM and the US would design and make AMRAAM and everyone in HATO would use AMRAAM and ASRAAM, but after testing the US realised getting into close combat with MiG-29s or Su-27s means all they have to do is launch a missile before your missile kills them and you could both die so future air combat started to shift to high flying fast stealth fighters supercruising and launching long range missiles... so no point in investing in sophisticated short range missiles... so the Brits got screwed again.

    Hmm didn't know that from the German perspective, you live and learn

    If WWIII had kicked off in the late 1980s the west would have been in real trouble... their ability to attack and their ability to defend is aircraft based... which means they would really struggle trying to do both at the same time, and if they started losing fighters like they would be losing them there would be real panic... there was no plan B... except starting to use nukes early... and that leads to death for everyone.

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    Post  TMA1 Wed Jul 21, 2021 10:04 am

    Russian Air-to-Air missiles - Page 14 E6wddg10
    Russian Air-to-Air missiles - Page 14 E6wdhe10
    Russian Air-to-Air missiles - Page 14 E6wdfi10

    Some images of a new missile. Is this the R-77m or the R-77-1 with new winglets? Hast to be R-77m.

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    Post  medo Wed Jul 21, 2021 5:03 pm

    With those classical fins it is R-77M, Russian equivalent to AIM-120D and Meteor missile.
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    Post  limb Sun Aug 01, 2021 11:26 am

    I know this was probably discussed somewhere, but can anyone give me a quick rundown about indian whining that their R-77s had too little range and were to inaccurate compared to pakistani AMRAAMs, and thats why they lost the skirmish? BJP monkeys started parroting this on youtube and now these claims abound in western defence media.

    AFAIK India uses the RVV AE with 110km range and the pakis use AIM-120C7 with 105km range. Theoretically bith are around equal with R-77 having a slightly larger NEZ due to better supersonic performance and G tolerance  due to grid fins in exchange for smaller  max range.

    Indians are also blaming "inferior russian seekers"

    With those classical fins it is R-77M, Russian equivalent to AIM-120D and Meteor missile.

    Such a shame russians abandoned their unique grid fin approach, in favor of generic fins.  Theoretically , if the grid fins are folded in flight and the launching aircraft has supersonic speed, the problem of transonic drag shouldnt matter.

    It is a kind of an understatement.
    When true potential or R-73, combined with its helm-mounted guidance was revealed back in the early 90s, it was again a moment when "west" stood still with jaw dropped.
    Ex-german 29s were just blowing the opponents out of the sky, once tested.
    It turned out, that as R-27 has some disadvantages, mostly due to N019 shortages, R-73 has no competition.
    With its modernization program leading as far as K-74, the missile is still one of the best in its class in the world, and when introduced in mid-80s, it has no analogs for more than a decade.

    Wasnt the main disadvantage of the R-73 massive vulnerability to flares, compared to more technologically advanced seeker heads of the AIM-9P and M?

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