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#3808986 - 07/13/13 06:09 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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By the way.
How do we know that an OSA is locked and ready to fire ,standing from a distance ?

Inline advert (2nd and 3rd post)

#3809049 - 07/13/13 08:51 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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Maybe radar turret (fire control radar and missile tracking antennas) is looking up?

#3809216 - 07/14/13 05:37 AM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Alien_MasterMynd]  
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Originally Posted By: Alien_MasterMynd
Maybe radar turret (fire control radar and missile tracking antennas) is looking up?


You are close but not precise .
You can move the Target Tracking Radar manually in what ever elevation you like ,without been locked on target... smile2
But...

#3809225 - 07/14/13 07:33 AM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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Maybe by missile container covers being open? Just a wild guess.

#3809234 - 07/14/13 08:21 AM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Vympel]  
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Originally Posted By: Vympel
Maybe by missile container covers being open? Just a wild guess.


No.These covers open after the fire button has been pressed .

#3809247 - 07/14/13 09:01 AM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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Missile containers are elevated more than in transport position?

#3809253 - 07/14/13 09:31 AM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Alien_MasterMynd]  
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Originally Posted By: Alien_MasterMynd
Missile containers are elevated more than in transport position?


Missile containers loaded on OSA are always steady in 28 deg elevation .

#3809337 - 07/14/13 02:04 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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So how? sigh

#3809344 - 07/14/13 02:28 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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Well, when the TTR locks on a target the MSR (missile sighting radars) moves and stop at 28 deg elevation ,waiting for missile lift off.

PS : MSR ( missile sighting radars) and not MTR (missile tracking radars) is the correct because we have no missile track !

#3809351 - 07/14/13 02:41 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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Now it makes sense, it must be those 28 degs for MSR only since missile always starts with this angle and TTR is looking at angle of the target independently. Thanks thumbsup

#3809363 - 07/14/13 02:59 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Alien_MasterMynd]  
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Originally Posted By: Alien_MasterMynd
Now it makes sense, it must be those 28 degs for MSR only since missile always starts with this angle and TTR is looking at angle of the target independently. Thanks thumbsup


Also don't forget that after lift off the MSR steer the missile and put it in the narrow beam of TTR (~300/500 m from OSA).
After this the specific MSR follows the movements of TTR antena while the other one remains at 28 deg. waiting for a possible missile fire to the same target.

#3809437 - 07/14/13 06:02 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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Epap@

i read somewhere that OSA accuracy is between 5 till 7 meters and at hard target 10
... but in last AFTER ACTION REPORT by last trying hpasp with karat mode
....missile explosive distance to target was so far !!! between 17 and 21 meters
..... this error was for karat accuracy or proximity fuse in OSA sometimes detonating sooner than ideal moment ?
osa can kill target from 21 meters ? sigh

Last edited by farokh; 07/14/13 06:06 PM.
#3809448 - 07/14/13 06:18 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: farokh]  
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Originally Posted By: farokh
Epap@

i read somewhere that OSA accuracy is between 5 till 7 meters and at hard target 10
... but in last AFTER ACTION REPORT by last trying hpasp with karat mode
....missile explosive distance to target was so far !!! between 17 and 21 meters
..... this error was for karat accuracy or proximity fuse in OSA sometimes detonating sooner than ideal moment ?
osa can kill target from 21 meters ? sigh


With an OSA you can do anything you like ... biggrin

#3809455 - 07/14/13 06:37 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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Accuracy may be given as a SD ~ almost (but not exactly) 50% of missiles will pass in a box of this height and width (69% for each separately). By roughly 3x this dimension you can expect 'around' 95% of correctly functioning missiles will pass inside the 'box'.

The target has non-zero dimension. Even with a contact only fuse you would see detonations at non zero miss-distances as the rule, rather than exception. Miss distance being the deviation of the impact from either the aim-point or target centroid.

Setting warhead size, and fusing radius to around 3SD, plus a little for target dimension maximises utility of the system accuracy without unduly reducing missile performance, increasing overall size and weight or having ineffective 'fusing events', or unfused 'lethal-distance' misses.

#3809460 - 07/14/13 06:49 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: Hpasp]  
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#3809498 - 07/14/13 08:58 PM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: ePap]  
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Originally Posted By: ePap
Originally Posted By: farokh
Epap@

i read somewhere that OSA accuracy is between 5 till 7 meters and at hard target 10
... but in last AFTER ACTION REPORT by last trying hpasp with karat mode
....missile explosive distance to target was so far !!! between 17 and 21 meters
..... this error was for karat accuracy or proximity fuse in OSA sometimes detonating sooner than ideal moment ?
osa can kill target from 21 meters ? sigh


With an OSA you can do anything you like ... biggrin

i ask few question and you rotating me !!!! it was not an answer lol duck

#3809618 - 07/15/13 03:58 AM Re: 9K33M2 OSA-AK (SA-8B Gecko) [Re: farokh]  
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Originally Posted By: farokh
Originally Posted By: ePap
Originally Posted By: farokh
Epap@

i read somewhere that OSA accuracy is between 5 till 7 meters and at hard target 10
... but in last AFTER ACTION REPORT by last trying hpasp with karat mode
....missile explosive distance to target was so far !!! between 17 and 21 meters
..... this error was for karat accuracy or proximity fuse in OSA sometimes detonating sooner than ideal moment ?
osa can kill target from 21 meters ? sigh


With an OSA you can do anything you like ... biggrin

i ask few question and you rotating me !!!! it was not an answer lol duck


Rotating or not,this is the answer for you

http://simhq.com/forum/files/usergals/2013/07/full-35562-61662-vlcsnap_2010_12_17_15h02m50s182.png

http://simhq.com/forum/files/usergals/20...07_11.50.07.jpg

Last edited by ePap; 07/15/13 04:27 AM.
#3810394 - 07/16/13 07:50 PM OSA work in progress screenshots... [Re: Hpasp]  
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Some F-4 Phantom is around...
biggrin







Hpasp
Free SAM Simulator, "Realistic to the Switch"

(U-2 over Sverdlovsk, B-52's over Hanoi, F-4 Phantoms over the Sinai, F-16's and the F-117A Stealth bomber over the Balkans.)
http://sites.google.com/site/samsimulator1972/home

Book from the author - Soviet Nuclear Weapons in Hungary 1961-1991
https://sites.google.com/view/nuclear-weapons-in-hungary/

thumbsup
#3810400 - 07/16/13 08:01 PM Re: OSA work in progress screenshots... [Re: Hpasp]  
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great +1000
but.... i guess this plane is like f-16 or f-18 ! of course at my eyese !
would u take another photo from closer range ?

PS: OSA-AK could hunt maverick missile ?

#3810423 - 07/16/13 08:31 PM Re: OSA work in progress screenshots... [Re: Hpasp]  
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