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Author Topic: Tenk T-54/55  (Read 510710 times)
 
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Bozo13
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« Reply #600 on: April 13, 2015, 11:42:19 pm »

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Bozo13
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« Reply #601 on: April 13, 2015, 11:42:45 pm »

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LPB


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Vladimir Ivanović
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« Reply #602 on: April 14, 2015, 05:56:20 am »

Dobro si uslikao detalj na prednjoj kosoj ploči. Ima rupa za SGMT mitraljez, a piše T55. Ko zna šta su Rusi prodali Bugarima.
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Bozo13
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« Reply #603 on: April 14, 2015, 01:48:57 pm »

Prodali su i ovo čudo.

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Bozo13
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« Reply #604 on: April 14, 2015, 01:50:12 pm »

Zanimljivo da ima termo oblogu cevi..

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Bozo13
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« Reply #605 on: April 14, 2015, 01:51:46 pm »

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Bozo13
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« Reply #606 on: April 14, 2015, 01:52:37 pm »

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Vladimir Ivanović
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« Reply #607 on: April 14, 2015, 02:00:17 pm »

U opisu piše top 110 mm, a u naoružanju piše top 100 mm. Na istoj tabli.  Neko tu nije savladao lekciju.

Ova verzija se negdje zove i "staljinove obrve" zbog dodatnog oklopa na kupoli.
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Bozo13
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« Reply #608 on: April 14, 2015, 02:06:52 pm »

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LPB


Hvala Vlado na dopuni.

Na slici 18 je meteosenzor?


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Brok
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Jednakost, Bratstvo, Sloboda


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« Reply #609 on: April 14, 2015, 03:34:02 pm »

Odlične fotke, u svakom smislu. Hvala Božo.
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« Reply #610 on: April 14, 2015, 04:22:11 pm »

U opisu piše top 110 mm, a u naoružanju piše top 100 mm. Na istoj tabli.  Neko tu nije savladao lekciju.
...

OK, ovo je sada "long shot", ali da probam pronaći razlog zašto u opisu topa piše i 110mm i 100mm.

Amerikanci (NATO?) izgleda pri označavanju kalibra ožlijebljenje cijevi uvijek koriste veću mjeru, dakle
od udoline do udoline (žlijeb-žlijeb). Drugi kako kada. Kod artiljerijskih oruđa je jasno, da promjer tijela
projektila ne može biti veći od manje dimenzije kalibra cijevi (brijeg-brijeg).

Pogledao sam i izmjerio (sa slike) neke dimenzije projektila 100mm (kumulativno-obeležavajuće zrno)
sa http://www.yugoimport.com/en/proizvodi/round-100mm-fixed-gun-100mm-tank-t55-spg-100mm-m44-and-coast-gun-100mm-m87

Bakreni prsten u dnu vidljivog dijela projektila (i na vrhu čaure) služi, da se zrno užlijebi i zarotira,
a ujetno sama cijev zabrtvi, da barutni plinovi pri opalenju ne idu mimo zrna.

Meni izgleda, da bi promjer tog bakrenog prstena itekako mogao biti 110mm, čak i više, što znači,
da bi kalibar topa D-10 mjeren po NATO standardu mogao biti 110 mm, bez obzira što je njegov
standardni kalibar 100mm.

Naravno, može biti da je u pitanju i obična greška, no to mi je ipak malo vjerojatno.

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« Reply #611 on: April 14, 2015, 04:39:56 pm »

Dark-bullet, nekako ne mogu shvatiti kako jedan top može biti opisan kao da ima po jednom merenju 100, a po drugom 110mm kalibar. Razlike može biti u načinu merenja dužine cevi u kalibrima (opisao sam takav slučaj u mom članku o razaračima tipa Beograd - članak je skeniran u toj temi u septembru 2014.) Vodeći bakarni prsten služi za to što je rečeno, da zrno vodi kroz cev, da mu rotaciju i obezbedi obturaciju (prosto rečeno dihtovanje) zrna u toku leta kroz cev. Prečnik/kalibar meren preko bakarnog prstena u tom slučaju je svakako nešto veći. Obturaciju zrna u cevi naravno treba razlikovati od obturacije zatvarača topa. Po mom dubokom uverenju, kalibar oruđa se meri od brega do brega žljeba i nikako drugačije. Nijedna metodologija ne meri kalibar od udoline do udoline. Ovo je veoma važno pitanje, i ubeđen sam da se mora razjasniti neopozivo i do kraja!  NATO kalibar 76,2mm, ili 105mm, ili 152,4 ili 155 ili 203,2mm ne može biti drugačiji nego što jeste, tj, od brega do brega žljeba, a ne od udoline do udoline.
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« Reply #612 on: April 14, 2015, 09:10:53 pm »

Ovdje piše nešto o kalibrima artiljerijskih oruđa. Ova rečenica mi je zanimljiva: "The depth of rifling grooves (and the consequent ambiguity) increases in larger calibers." Dakle, kod većih kalibara je dubina žljebova veća, pa je tako i nedoumica oko toga kako je mjeren kalibar veći.

http://en.wikipedia.org/wiki/Caliber_%28artillery%29
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Vladimir Ivanović
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« Reply #613 on: April 14, 2015, 09:40:05 pm »

Nema potrebe da dalje objašnjavaš detalje o kalibru. Tenk T55 se je pravio samo u kalibru 100 mm. Kasnije su rađene neke modifikacije sa kalibrom 105 mm i sa topom L7A1. Ali to je već tenk T59.

Ovdje se radi čisto o grešci u pisanju opisa.

Navode se vođena zrna tipa Bastion. ili 9K116. Ono je rađeno samo u kalibru 100 mm.

Moja firma je svojevremeno dobila posao da uradi nešto u jednoj prijateljskoj zemlji na tenkovima koji su imali mogućnost da ispaljuju raketa tipa Bastion. Ja sam lično na tome radio duži period i dobro sam izučio ovaj sistem.

Dakle, tenk T55, malo modifikovan, ali je kalibar topa 100 mm.

Pozdrav

Vlado
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« Reply #614 on: April 14, 2015, 09:47:50 pm »

Koliko vidim "Bastion" se ispaljuje iz običnog D-10 topa, dakle kao obično 100mm artiljerijsko zrno (iako za uspješno navođenje tenk iz kojega se ispaljuje mora mirovati). Ono na što sam ja ciljao je nedoumica oko toga kako se mjeri kalibar topa, jer očito oko toga postoji mogućnost spora.
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