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#3810897 - 07/17/13 08:35 PM Re: OSA work in progress screenshots... [Re: piston79]  
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Originally Posted By: piston79
Originally Posted By: Hpasp



f=500mm narrow (zoom in) view of an F-4 Phantom at 3km range.
(now he is already finished his bombing run on us)
Click to reveal..



How about better resolution in "zoom in" KARAT mode? it could be dependable of certain distance for every type of target (bigger or smaller)? Is this possible or too much load for the engine?


Also better calibration of carat (off from cross hair)... smile2

Inline advert (2nd and 3rd post)

#3812220 - 07/20/13 06:13 PM Re: OSA work in progress screenshots... [Re: Hpasp]  
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dear Epap @

could u show to us osa fragments type ! ?
as i know sa-2 use kinde of rhombus fragment style
and sa-5 useing steel balls !

what about osa fragments ?
do u have any picture from oaa fragments ? please

Last edited by farokh; 07/20/13 06:18 PM.
#3812233 - 07/20/13 06:51 PM Re: OSA work in progress screenshots... [Re: farokh]  
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Originally Posted By: farokh
dear Epap @

could u show to us osa fragments type ! ?
as i know sa-2 use kinde of rhombus fragment style
and sa-5 useing steel balls !

what about osa fragments ?
do u have any picture from oaa fragments ? please


My dear friend , i still try to find a way to gather some ...
It's a little dangerous to be close when a missile is blown, you know ... biggrin

May be something like this http://en.northtungsten.com/imageRepository/5997ecd6-07c2-4966-b5ec-cf06bfae2cc3.jpg

sent this, not to tell me that I am rotating you ... smile2

Last edited by ePap; 07/20/13 07:07 PM.
#3812402 - 07/21/13 10:01 AM Re: OSA work in progress screenshots... [Re: Hpasp]  
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So, they are some kind of balls? Sure about that?

#3812426 - 07/21/13 12:55 PM Re: OSA work in progress screenshots... [Re: piston79]  
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Originally Posted By: piston79
So, they are some kind of balls? Sure about that?


It could be something like this I wrote .. winkngrin

#3814231 - 07/25/13 06:01 PM Re: OSA work in progress screenshots... [Re: Hpasp]  
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AH blush
i have one strange feeling for this 5 months
something mixed with stress for seeing OSA on samsim darkcloud
i never ever had any 5 months like this 5 months frown





Last edited by farokh; 07/25/13 06:14 PM.
#3814963 - 07/27/13 07:30 AM Re: OSA work in progress screenshots... [Re: Hpasp]  
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Quiz.

There are two incoming targets and we fire against them with OSA -AK.

1. First target . Detonation(miss) distance is at 5m.
2. Second target. Detonation (miss) distance is at 12m.

Which target has the most probabilities to be killed, and why ? smile2

#3814972 - 07/27/13 08:16 AM Re: OSA work in progress screenshots... [Re: Hpasp]  
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The obvious answer is 5m. But since you asked the question, I guess the obvious answer is wrong. smile

So I will guess 12m.

Why? Maybe because at 5m, the shrapnel might miss the target? But at 12m the shrapnel is spread more?

100% guess

Last edited by Mdore; 07/27/13 08:16 AM.
#3814982 - 07/27/13 09:03 AM Re: OSA work in progress screenshots... [Re: Hpasp]  
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as we hear about osa fragments ! they are like steel balls !
like shotgun firing !
so number 2 is better answer but here is same question !

with miss distance 5 meter ... target could be kill with explosion wave ?
so from 5 meters + explosion wave + some of balls fragments ! kill percent going to high level !

this is easy question but for me hard to say

PS: Epap@ OSA warhead have how many of explosion degrees ?
this question could be help us to say true answer !!!!

Last edited by farokh; 07/27/13 09:10 AM.
#3814986 - 07/27/13 09:37 AM Re: OSA work in progress screenshots... [Re: Mdore]  
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Originally Posted By: Mdore
The obvious answer is 5m. But since you asked the question, I guess the obvious answer is wrong. smile

So I will guess 12m.

Why? Maybe because at 5m, the shrapnel might miss the target? But at 12m the shrapnel is spread more?

100% guess


I like the way you approach it ... smile2

#3814988 - 07/27/13 09:44 AM Re: OSA work in progress screenshots... [Re: farokh]  
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Originally Posted By: farokh
as we hear about osa fragments ! they are like steel balls !
like shotgun firing !
so number 2 is better answer but here is same question !

with miss distance 5 meter ... target could be kill with explosion wave ?
so from 5 meters + explosion wave + some of balls fragments ! kill percent going to high level !

this is easy question but for me hard to say

PS: Epap@ OSA warhead have how many of explosion degrees ?
this question could be help us to say true answer !!!!


I also like your approach ,

BUT the PS has already answered to you with pm long time ago.
...piston79 will be right one more time, I guess... smash

#3815012 - 07/27/13 11:31 AM Re: OSA work in progress screenshots... [Re: ePap]  
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Originally Posted By: ePap

BUT the PS has already answered to you with pm long time ago.


im sorry epap nope my memory is little weak biggrin i forget everything after pass a little time biggrin
like a fish

any way :

with this advice .... we will have better info to choose better answer

Click to reveal..
OSA doesn't have radius because the warhead blast is 60deg. Conical shape.

jackolantern

#3815023 - 07/27/13 11:59 AM Re: OSA work in progress screenshots... [Re: Hpasp]  
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So you have the conical blast of 60 deg.

Tip : the proximity fuse has also the same dimensions ...

Well...? mycomputer

Last edited by ePap; 07/27/13 12:00 PM.
#3815029 - 07/27/13 12:47 PM Re: OSA work in progress screenshots... [Re: Hpasp]  
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i assume number 1 is the corrected abducted
because osa do not have any radius for kill target from far distance !

...so? fearful

Last edited by farokh; 07/27/13 12:48 PM.
#3815032 - 07/27/13 12:54 PM Re: OSA work in progress screenshots... [Re: farokh]  
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Originally Posted By: farokh
i assume number 1 is the corrected abducted
because osa do not have any radius for kill target from far distance !

...so? fearful


Well, noop.

In both cases k3 energized (because we have detonation) but what could affect in both cases and the distance is different ?

This is the key of the answer .

Well...?

You Farokh first .

#3815038 - 07/27/13 01:19 PM Re: OSA work in progress screenshots... [Re: Hpasp]  
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well, Mmmmm rolleyes
as i know , when one sam missile detonate near the target
warhead for better doing affect on target need distance till fragments can propagate on air and get speed for
Influence at target's body !

and fragments can affect on every where on target's body
with my explain ! we are close to case 2

this is all i know smash

Last edited by farokh; 07/27/13 01:20 PM.
#3815053 - 07/27/13 02:01 PM Re: OSA work in progress screenshots... [Re: Hpasp]  
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I would guess it depends on position of missile detonation in relation to target position, is it infront, behind, or to the side/up/down.

If it is behind, I would go with farokh's 5m because of the shockwave, but depending on target speed this could do little damage.
If it is in front, then 12m, as mdore suggested shrapnel spreading.
If it is to the side than 5m again, as 12m shot would have shrapnel fly behind a target (taking 60 degree shrapnel cone)

Of course the more I typed the more I felt it has nothing to do with the warhead, maybe it is a trick question. Then maybe Im just getting paranoid. smile

#3815060 - 07/27/13 02:48 PM Re: OSA work in progress screenshots... [Re: Vympel]  
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Originally Posted By: Vympel
I would guess it depends on position of missile detonation in relation to target position, is it infront, behind, or to the side/up/down.

If it is behind, I would go with farokh's 5m because of the shockwave, but depending on target speed this could do little damage.
If it is in front, then 12m, as mdore suggested shrapnel spreading.
If it is to the side than 5m again, as 12m shot would have shrapnel fly behind a target (taking 60 degree shrapnel cone)

Of course the more I typed the more I felt it has nothing to do with the warhead, maybe it is a trick question. Then maybe Im just getting paranoid. smile


The question refers to approaching targets.

You are right , it has nothing to do with the warhead but with the proximity fuse .

Proximity fuse is energized with k3 and always in a standard and fixed way (receive certain number of frequency returns from the target).

In our case the position of the target in relation to the axis of the missile is the KEY.
The missile ,if the target is inside the 60 deg of proximity fuse,should detonate always in a fixed distance .

In first missile we have 5 m detonation (miss) distance which means the target was out of the expected window of proximity fuse and some how the missile get much closer of the expected optimum position and then received the required returns from the target and detonates.During this the missile maneuver and forced for better position and so the probability (parameters) for a kill ,is lower.

The second missile performed much better than the first one. It acquired the target with prox.fuse in optimum range and so it is expected a better kill probability.

Conclusion .
The closer is not always the better when there is a directional warhead .

Thanks for your participation .
smile2


Last edited by ePap; 07/29/13 05:49 AM.
#3816037 - 07/30/13 07:28 AM Re: OSA work in progress screenshots... [Re: Hpasp]  
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SA-8 in use in Syria!!!

#3816079 - 07/30/13 12:08 PM Re: OSA work in progress screenshots... [Re: Mdore]  
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Great find!

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