Jump to content
IGNORED

Avijacija bez granica...


dare...

Recommended Posts

Koroljev je pre svega bio dobar organizator, ali nije bio jedini sa tim ambicijama. Jednostavno je sistem bio loše postavljen. Ne uzimam ni mrvu od genijalnosti tih ljudi koji su u onakvim uslovima imali takve rezultate. Ta razjedinenost ih je koštala Meseca, kao što je višedecenijska svađa (koja i dalje traje) između američkih rodova vojske njih između ostalog koštala prvog satelita i prvog astronauta. 

Link to comment

Koroljev je pre svega bio dobar organizator, ali nije bio jedini sa tim ambicijama. Jednostavno je sistem bio loše postavljen. Ne uzimam ni mrvu od genijalnosti tih ljudi koji su u onakvim uslovima imali takve rezultate. Ta razjedinenost ih je koštala Meseca, kao što je višedecenijska svađa (koja i dalje traje) između američkih rodova vojske njih između ostalog koštala prvog satelita i prvog astronauta. 

okruzni_pecat.jpg

 

Zaboravio si overu  -_-

Link to comment

Cekaj, zar ne leti neko od stare skole i ugleda direktno, bez sletanja iz Londona za Australiju, Sidnej konkretno?

To bi, da sad ne proveravam, moralo da bude duze i to poprilicno?

Link to comment

Cekaj, zar ne leti neko od stare skole i ugleda direktno, bez sletanja iz Londona za Australiju, Sidnej konkretno?

To bi, da sad ne proveravam, moralo da bude duze i to poprilicno?

Ne, niko.

 

Bice Qantas sledece godine LHR-PER.

 

 

Sent from my iPhone using Tapatalk

Link to comment

okruzni_pecat.jpg

 

Zaboravio si overu  -_-

 

Nikako, čitao sam Borisa Čertoka. :)

 

Meanwhile ...

 

UK faces massive rise in costs to fix stealth fighter
Trump tweets and software problems heighten concerns over advanced jet

 

https://www.theguardian.com/politics/2017/feb/04/f-35-stealth-jet-fighter-uk-faces-billions-extra-cost

 

Quod ab initio vitiosum est non potest tractu temporis convalescere  -_-

Link to comment
 
Technology SITREP: How Russian engineering made the current operation in Syria possible
The pace and effectiveness of the Russian Air Force (well, technically they are now called AirSpace Forces or ASF so I will refer to them as RASF from now on) has the western military experts in shock.  Not only are the number of sorties per day about 3 times as much as a US or NATO country could achieve, but the Russian airstrikes are amazingly accurate even though the Russians are flying at over 5000m above ground, well out of reach of man portable air defense systems (MANPADS).  They are even flying at night and in bad weather.  This is even more puzzling considering that most of the work, at least in quantitative terms, is done by old SU-24s (first deployed in 1974) and SU-25 (first deployed in 1981).  In fact, most of the missions in Syria could have been executed by these to excellent but, frankly, ancient aircraft and the main reason for the presence of the brand new and extremely advanced SU-34 is to test out the airframe and its systems (and since the Turks shot down the SU-24, to provide credible air-to-air self defense capability where needed).  So what is the deal here?  How did the Russians achieve these apparently quasi-miraculous results?

With something called the SVP-24.

But first let me give you some background, a bombing 101 crash course of sorts.

The original bombs of “WWII” technology were simple gravity bombs.  Airplanes dropped them by roughly aiming through a basic targeting system and they fell more or less on target.  For carpet bombing this was adequate and for precision bombing this was not ideal, but considering the slow speed or aircraft and their low altitude that was okay.  However, with the increase in the speed of aircraft a one second delay in releasing a bomb could easily result in a miss by 600-800 meters, if not more.  Furthermore, some reinforced targets needed a direct hit (command posts, bridges, etc.).  Two main type of guided bombs were developed: laser-guided and TV guided.

The laser guided bomb work very simply: the aircraft (or ground spotter) “paints” the target with a laser beam, and the bomb has some (limited) ability to glide towards that easily distinguishable spot of light.  The TV guided bomb also operates in a simple manner: the weapons system officers centers the bomb’s TV camera on the target and glides the bomb towards it.  As long as the bomb is within a specific “envelope” (speed, altitude, angle) the bomb will hit.  Or not.  Because even one small cloud puff can result in a major loss of accuracy which, again, with the speed at which these aircraft fly today can mean hundreds of meters (if that topic interests you, see this Wikipedia article).

The advent of satellite guidance ushered a new era for guided weapons.  For the first time it became possible to use GPS (or, for the Russians, GLONASS) satellite signals to guide a bomb to a target.  Not only were these satellite guided bombs more accurate, they also did not depend on good weather conditions.  Their main problem was that they were very expensive to manufacture.  The other problem is that most weapons stores were full of thousands of cheap and old unguided bombs.  What to do with them?

The Americans came up with an elegant solution: the JDAM.  The Joint Direct Attack Munition kit was a way to convert “dumb” (non-guided) bombs into “smart” (guided) bombs by attaching a special kit to them.  You can read more about this in this Wikipedia article.  This made it possible to use old bombs, but this was still not cheap, roughly 25’000 dollars a kit (according to Wikipedia).

The Russians came up with a much better solution.

Instead of mounting a kit on an old bomb and lose the kit every time, the Russians mounted a JDAM-like kit, but on the airplane.

Introducing the SVP-24:

SVP-24-234x300.jpg

The SVP-24 system

SVP stands for “специализированная вычислительная подсистема” or “special computing subsystem”.  What this system does is that it constantly compares the position of the aircraft and the target (using the GLONASS satellite navigation system), it measures the environmental parameters (pressure, humidity, windspeed, speed, angle of attack, etc.).  It can also receive additional information from datalinks from AWACs aircraft, ground stations, and other aircraft.  The SVP-24 then computes an “envelope” (speed, altitude, course) inside which the dumb bombs are automatically released exactly at the precise moment when their unguided flight will bring them right over the target (with a 3-5m accuracy).

In practical terms this means that every 30+ year old Russian “dumb” bomb can now be delivered by a 30+ year old Russian aircraft with the same precision as a brand new guided bomb delivered by a top of the line modern bomber.

Not only that, but the pilot does not even have to worry about targeting anything.  He just enters the target’s exact coordinates into his system, flies within a defined envelope and the bombs are automatically released for him.  He can place his full attention on detecting any hostiles (aircraft, missiles, AA guns).  And the best part of this all is that this system can be used in high altitude bombing runs, well over the 5000m altitude which MANPADs cannot reach.  Finally, clouds, smoke, weather conditions or time of the day play no role in this whatsoever.

Last, but not least, this is a very *cheap* solution.  Russian can now use the huge stores of ‘dumb’ bombs they have accumulated during the Cold War, they can bring an infinite supply of such bombs to Syria and every one of them will strike with phenomenal accuracy.  And since the SVP-24 is mounted on the aircraft and not the bomb, it can be reused as often as needed.

The SVP-24 has now been confirmed to be mounted on the Russian SU-24s, SU-25s, Tu-22M3 “Backfires” and the Kamov Ka-50 and Ka-52 helicopters, the venerable MiG-27 and even the L-39 trainer.  In other words, it can be deployed on practically *any* rotary or fixed wing aircraft, from big bombers to small trainers. I bet you the Mi-24s and Mi-35Ms deployed near Latakia also have them.

Here are what the various parts of the SVP-24 system look like (photo from the MAKS Air Show in Zhukovsky):

%D0%A1%D0%92%D0%9F-24-%D0%BD%D0%B0-%D0%9

The SVP-24 proves, yet again, the good engineering, especially good military engineering does not have to be expensive or flashy.  In practice the introduction of the SVP-24 in the RASF resulted in a net reduction in operating costs.

In conclusion, I will note that things are not always rosy and perfect in the Russian military either.  In fact, the company producing the SVP-24 had to sue the Russian Ministry of Defense for unpaid money and there was a great deal of opposition inside the MoD to the SVP-24 (probably due to the influence of corrupt competitors).  Eventually all problems were resolved, the SVP-24 is being deployed in huge numbers, but it took a long and hard battle to get to this point.  So, just like in the USA, corruption in the Russian military remains one of the worst enemies of the armed forces.

Anyway, I hope that you have found this digression “under the hood” interesting.

Happy new year to all, all the best for 2016,  hugs and cheers,

The Saker

 

 

http://thesaker.is/technology-sitrep-how-russian-engineering-made-the-current-operation-in-syria-possible/

 

Tekst je iz decembra 2015.

Link to comment

Ovo je inace ruski sajt tako da se moze vidjeti i kao propagadni clanak.

 

Evo i kritike druge strane atlantika (u quote-u).

 

Na ovom linku usporedjuju americki sistem i ovaj ruski.

 

Did Russia Really Build a Smarter Smart Bomb?

Russia claims to have developed an ingenious new smart bomb.
Or rather, instead of making the bomb smarter, it's the aircraft carrying the bomb that has all the brains, according to the Russian news site the Saker.
 
 
The Saker article attributes the "amazingly accurate" and "quasi-miraculous" Russian bombing in Syria to a weapon called the SVP-24. The SVP-24 is a system that turns unguided conventional bombs into precision-guided weapons, similar to the U.S. Joint Direct Attack Munition (JDAM). But whereas the JDAM is a guidance kit attached to an iron bomb, Russia's SVP-24 attaches the guidance kit to the bomber itself.
 
"What this system does is that it constantly compares the position of the aircraft and the target (using the GLONASS satellite navigation system)," the Saker says.
 
"It measures the environmental parameters (pressure, humidity, windspeed, speed, angle of attack, etc.). It can also receive additional information from datalinks from AWACS aircraft, ground stations, and other aircraft. The SVP-24 then computes an 'envelope' (speed, altitude, course) inside which the dumb bombs are automatically released exactly at the precise moment when their unguided flight will bring them right over the target (with a 3-5 meter accuracy)."
 
Thus, "the pilot does not even have to worry about targeting anything," according to the Saker. "He just enters the target’s exact coordinates into his system, flies within a defined envelope and the bombs are automatically released for him. He can place his full attention on detecting any hostiles (aircraft, missiles, AA guns)."
 
And why is this better than the JDAM? It's cheaper, the Saker argues. Each JDAM kit costs around $25,000 per bomb, and when the bomb is dropped, the kit it expended. Because the SVP-24 is fitted to the aircraft rather than the bomb, it can be reused each time.
 
Don't these tropes sound familiar? Brilliant new weapon unveiled (a constant refrain since the Smart Bomb Revolution in the Vietnam War). It is, it seems, the story of simple Russian engineering versus over-complicated American technology.
 
Yet before we pronounce a smart bomb breakthrough, let's take a closer look.
 
The SVP-24 sounds like nothing more than an automatic bombing system where the aircraft does all the computing and the bomb just lands where it is supposed to. This has been indeed the goal of military aviation since the first bombsights were developed before World War I.
 
Unfortunately, bomb-aiming systems have consistently missed the mark. Despite claims that the World War II U.S. Norden bombsight could drop a bomb into a pickle barrel from 20,000 feet, the Circular Error Probable—the distance from the target that 50 percent of the bombs would fall on—of a B-17 was 3,300 feet. Hence, all those photos from World War II or Vietnam of bombs landing around—but not on—the target.
 
The beauty of smart bombs is that they can be guided precisely onto a target, meaning one bomb can accomplish what an entire saturation raid cannot. If an aircraft-based system like the SVP-24 really can compute every factor, from aircraft motion to wind gusts, then the bomb should land on the target. But if one bit of data is wrong, and the bomb is descending on an incorrect trajectory, then there is no way to guide it in mid-air.
 
Perhaps that's why Russia has been accused of hitting targets such as medical centers in Syria. Maybe real smart bombs are a smart idea, after all.
 
Michael Peck is a contributing writer for the National Interest. He can be found on Twitter and Facebook.

 

Edited by borris_
Link to comment

http://tactdb.blogspot.rs/2016/02/the-great-game-jdam-vs-svp-24.html?m=1

 

Fina analiza svega toga na blogu.

 

U suštini, koliko para, toliko muzike. Ali mi se čini kao OK rešenje za stand-off napade gde u bližoj okolini nema tvoje vojske.

 

Nije baš toliko humanitarnog karaktera kao američka bomba, ali odrađuje posao za male pare.

 

sloppy but devastating

via CZ-M53 TT

Link to comment
  • 3 weeks later...

Nije kome je receno, nego kome je sudjeno, moze i ne jebe lep, nego uporan, tek kakva je razlika izmedju:

 

15244_zps3xs5czo5.jpg

An-28, naprave prvi put poletele neke daleke 1969. godine u urednom sovjetskom naporu da se nadje zamena za legendu poznatu kao An-2 i resi pitanje vazdusnog transporta u zemlji u kojoj je isti bio nuzno potreban.

Smisljen u najboljoj tradiciji sovjetske konstruktorske skole, nezahtevan ni u pogledu odrzavanja, ni u pogledu aerodroma, ostao je skoro zaboravljen.

 

I:

 

C-145A%20Skytruck_zpsuxkrravw.jpg

C-145 Skytruck po americkoj nomenklaturi, jednog od osnovnih prevoznih sredstava Air Force Special Operations Command (AFSOC), ocenjenog i primenjenog kao idealnog za specijalne prevoze po Avganistanima i ostalim Afrikama.

I ne samo prevoz, nego i izbacivanje svega i svacega u takozvanim borbenim uslovima, evakuaciju ranjenih, trazenje i spasavanje, svasta nesto...

 

Osim modernizovanih pre svega elektronskih andrmolja i nesto novih materijala - razlike nema.

Ali, gene je prenela i ove americke proizvela, na istoj liniji na kojoj je proizvodila i sovjetske, poljska firma koja se vodi kao PZL, 

Polskie Zakłady Lotnicze, u svoje vreme krstena i kao  WSK-Mielec, od Wytwórnia Sprzętu Komunikacyjnego, koja doduse ima i pred WW2 pedigre i to poprilican, ali u kojoj se danas ekstremno nerado prisecaju post WW2 perioda.

I koja je danas, kako trzisnoj privredi i dolikuje, uredan clan velike i slozne Sikorsky Aircraft Corporation koja je, opet, clan jos sloznije Lockheed-Martin porodice...

 

Ali:

 

PZL_Skytruck01_zpsmmyz2z8g.jpg

 

Pre neki dan dan je na promotivne letove iz Poljske krenula i civilna varijanta, M28 Skytruck: Severna Amerika, Karibi, Juzna Amerika, sve trzista za koja Poljaci cene da imaju ogroman potencijal upravo za ovakvu vrstu letecih naprava.

19 putnika, zakazane vezbe bacanja brazilskih padobranaca sa sve ucescem na brazilskim vojnim vezbama, ali pre svega civilna namena aviona kome da za uzleti ili poleti treba 500-ak metara.

Uz nesto sopstvene, ali i uz podrsku mame Lockheed Martin i njihove servisne mreze sirom sveta, kao trzista se vide i Azija sa sve Indijom, Pacifik, sa sve procenom da za pocetak novi avion ima ziher obezbedjenu proizvodnju/prodaju od 10 do 15 aviona godisnje.

 

15245_zpsn2nzvj0u.jpg

 

Sa svojim velikim teretnim vratima pozadi i mogucnoscu nosenja skoro 2.5 tone tereta, ovaj bivsi Antonov je prakticno vec usio sto se upotrebljivosti tice glavne konkurente - Cessna Caravan i RUAG Dornier 228NG: vojske na stranu, smatra se da je civilna namena pod #1, pa su u to ime vec razvijene putnicko teretne, takozvane Combi varijante, ali i prigodna VIP varijanta.

 

Sto se ostalog tice, ako nema u izlogu, pitati u radnji: u poslednje vreme popularan nadzor granica, trazenje i spasavanje, pomorsko patroliranje, za svakog po nesto od zamisli nastale davnih 60-ih godina proslog veka...

Edited by namenski
Link to comment

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...