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Author Topic: Tenk M-84  (Read 2431347 times)
 
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StefanK
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« Reply #6220 on: December 06, 2021, 07:57:08 pm »

Thank you for the Nicolaus day surprise.

Which I still don't understand this is the stabilization of the mirror when the gun is locked in the loading angle. Which component measures the deviation of the LOS/mirror from the zero position (vertical and horizontal)? In other stabilization systems a gyro is always used.
Which way does take this signal , which specific assemblies are involved in this way of the signal? And how is the correction done on the mirror in the end? The mirror can be swiveled vertically. That has been clarified. But can the mirror also be rotated horizontally? Or is an additional prism twisted inside? Or is the aiming mark shifted horizontally?

The gyro block is a special Yugoslav development. Is it so that this gyroblock can also output a signal when the gun is locked in the loading angle? It is sufficient to measure the angular velocity.

I had read Dragan Petković's dissertation on this. Unfortunately, the description of the stabilization is very sketchy.
 From there is this block diagram that I edited a bit.



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kukimiro
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« Reply #6221 on: December 07, 2021, 11:01:55 am »

Tri su inputa koji upravljaju ogledalom ciljničke sprave: otklonski kutovi iz računala, upravljački zakret preko UBC (KBN) od strane ciljača i pozicijska greška od upravljanja topom (pojačivačka kutija). Na prvoj slici sam pokušao to nacrtati otprilike kako ide. Kada je top na kutu popune žiro radi i stvara se pozicijska greška koja se ne uvodi prema topu jer je top blokiran ali se uvodi u ciljničku spravu odnosno na servo motore ogledala. Na drugoj slici je pogon po horizontali ogledala. [ Attachment: You are not allowed to view attachments ] [ Attachment: You are not allowed to view attachments ]


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StefanK
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« Reply #6222 on: December 07, 2021, 12:00:37 pm »

This is getting really interesting. If I understand that correctly, is the gyro block under the gun is constructed in such a way that it can send signals to the mirror control even when the gun is blocked?
That should then be the angular velocity vertically and horizontally. The electronics can use an integrator to calculate the angular deviation from these signals. And so the LOS can be stabilized independently.

Can that be confirmed like that? I think this is an ingenious solution for the step from DNNS-1 to DNNS-2.
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Dus510
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« Reply #6223 on: December 07, 2021, 09:36:41 pm »

Slikano u Rijeci danas ili prije koji dan... Znamo već da ovakav teret ide preko luke u Rijeci ali ne znamo koji je i čiji je tenk sa slike. Vidi se žuta boja. Prvo sam pomislio: Kuvajt? Ali sam primjetio da se ne vidi meteosenzor pa ako mi neko može potvrditi da ovo je ili nije M-84 bio bi zahvalan.


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PakleniVuk
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Ko laje zlo ne misli


« Reply #6224 on: December 07, 2021, 09:57:01 pm »

Liči da jeste iako su ga dobro "upakovali" . Jel se zna da li je došao "preko mora" ili se sprema za put "preko mora"?
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Dus510
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« Reply #6225 on: December 07, 2021, 10:29:24 pm »

Liči da jeste iako su ga dobro "upakovali" . Jel se zna da li je došao "preko mora" ili se sprema za put "preko mora"?
ja mislim da se sprema za put preko mora ALI evo još slika koje su izašle...
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Dus510
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« Reply #6226 on: December 07, 2021, 10:30:34 pm »

Evo slika...


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Lox
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« Reply #6227 on: December 08, 2021, 08:56:26 am »

Ovo je zanimljivo. Je li neki remont u pitanju? Tankovi su pokriveni iz kojeg razloga, zaštita ili da se ne sazna nešto više.
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kumbor
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« Reply #6228 on: December 08, 2021, 09:41:21 am »

Ovo je zanimljivo. Je li neki remont u pitanju? Tankovi su pokriveni iz kojeg razloga, zaštita ili da se ne sazna nešto više.

Tenkovi se pokrivaju ceradom kako da se zaštite, tako i da se nešto sakrije. Šta je ovde u pitanju, teško je reći.
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torpedo011
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« Reply #6229 on: December 08, 2021, 10:01:26 am »

Пустињска камуфлажна шема.
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