MIG-21 "Fishbed"

879

MIG-21 "Fishbed"

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^

Da, Bizon naravno ne bis drugar tako je ,Dobro se pokazao i to je OK ali u kojim uslovima , scenariju i slicno ? Taktika opet pre nego li tehnika je tu bila odlucujuca .

Drugo kada govorimo o njemu recimo nasi su jos krajem 80-tih valjda imali planove da se bis-evi dovedu na jedan nivo kao sto je kasnije postao upravo UPG . Mozda bi to bilo vracanje unazad za jedno 20 ili 25 godina po pitanju nabavke tako modernizovanih bis-eva ali opet za V-PVO odlicno resenje .Ako se ne moze sa 29-ma M/M2 ovo bi bilo fino .

Naravno u skladu sa ekonomskom isplativoscu .Za sadasnje uslove i situaciju u ovom delu Evrope sto da ne ? Neki UPG derivat ili slicno ...kad se nema za nesto skuplje i tehnoloski naprednije .

Smajli



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Citat:An exotic shot this time. 1999, this Polish MiG-21 is visiting 323 squadron a we flew during the eclipse that was happening at that time. A very special moment!
Photo: Aoo Eric Vorstenbosch




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Posto na ovom prikazu imamo siluetu 21-ce a u skladu sa onim sto sam pomenuo da se u BVB uglavnom `opisuju` krugovi/kruznice evo u sklopu toga i nazivi nekih manevara u taktici vodjenja BVB ( taktika borbene primene ) .


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^

Piloti `Bizona` imaju isto ono sto i piloti na 29-ma . Smile

A to je




Kabina Bizona i jasno vidljivi opticki detektori pored ILS/HUD namenjeni za potrebe naslemnog sistema `Sure-K` ( Schelj-3UM ) na kacigama Zsh-7AP .


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Rumuni
2013

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Posto vidim da su skice radara `Koplje` za 21-93 prebacene na sasvim drugu temu samo da stavim onako linkovano stranicu na kojoj se prikaz istih nalazi

Arrow [Link mogu videti samo ulogovani korisnici]

A onda nesto malo vise detalja o istom ...

Kopyo FK04

OKB: Phazotron NIIR



Kopyo MiG-21 installation

Citat:Kopyo was the first private venture radar by Phazotron. Drawing on technology developed for the Zhuk radar, Phazotron produced Kopyo as a lighter, smaller radar suitable for equipping trainers and light attack aircraft as well as for upgrading older aircraft like the MiG-21. It operates in X band with 16 distinct frequencies. It uses both high PRF and medium PRF modes for optimum detection and tracking at all aspects. Kopyo weighs 120kg, occupies 250dm3, with a 500mm antenna that achieves 29dB gain. Tracking limits of the radar are ±40°. Kopyo has 2 recievers (noise factor 4dB), and transmits with a peak power of 5kw, 1kw average. It uses an MPS data processor, and a TS175 digital computer. Its MTBF is 120 hours.



Kopyo on the MiG-21-93 prototype

Citat:Kopyo has an air-to-air track-while-scan ("SNP") mode, it tracks 8 targets, and engages 2 simultaneously. The simultaneous engagement capability has been demonstrated.

It retains a single target track mode. Search range in lookup is 57km headon and 30 km in pursuit, with a tracking range of 45km, against a 3 sq m RCS target. Lookdown mode ranges are the same in headon but slightly reduced in pursuit mode (20km).

It has vertical scan, automatic HUD scan (± 14°), optical (pilot selected target on HUD) and helmet close combat modes.

Air-to-surface operating modes are comprehensive, something Phazotron only introduced in the current crop of radar designs. There are three mapping modes; low resolution (real beam) at ; medium resolution (Doppler beam sharpening, 10:1); high resolution (synthetic aperture, 100:1). Resolution in low res at 80km is 300x300m, in medum res at 60km is 30x30m, and high res at 60km is 10x5m.

Range against a large ship is 200km, a railroad bridge is 100km, a missile boat 80km and a moving group of tanks 20km.

Allows detection of moving ground targets, sea surface search, map freezing and interfaces with the Kh-31A antiship missile for target handoff.


Interesantno mi je da pored radara Koplje postoji jos jedan radar koji moze da se ugradi u recimo modernizovane derivate `bis` a to je upravo PESA radar Osa(ugradjen na jedan primerak MiG-29UBT ) .Mislim da bi sa njim u odnosu na radar Koplje mogucnosti 21-ce bile mnogo vece ?




Ako se dobro secam uz ovaj radar je bila osmisljena opcija instaliranja pratecih radara `Epolet` u predkrilcima valjda .

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@ray ban11
Lepo je što si izneo podatke za radare, ali to je sve sada prevaziđeno. Ako hoćeš moderan radar, AESA ili ništa. Koliko se Rusi tržišno ponašaju, vidi se recimo i po tome što ne nude AESA nadogradnju ni za MiG-29 a kamo li za MiG-21. To samo donekle može da se opravda sa malim brojem zahteva za nadogradnju, za razliku recimo od F-16 kojih ima na hiljade pa nije teško naći računicu da se naprave čak dve nadogradnje (SABR/RACR).

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Kolega mislim da PESA radari pogotovo ruski nisu prevazidjeni ( konstatacija se odnosi na `Osa` ali isto tako i na Koplje-M/F za kojeg takodje postoji opcija ugradnje na Keca ) .

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....nastavak...Rumuni

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  • Gde živiš: iznad smoga Beograda

Citat:Ako se dobro secam uz ovaj radar je bila osmisljena opcija instaliranja pratecih radara `Epolet` u predkrilcima valjda .
Ne, već u koreni produžetak krila kod 29-ke, ili u napadnu ivicu krila kod 21-ce blizu korena krila.

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