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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997 |
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#1 |
Electrician's Mate
![]() Join Date: Aug 2003
Location: Czech Republic, Prague, coordinates are sumthin like 50,10 North 14,25 East, not much accurate
Posts: 132
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Hello... once again i have for some while two computers at my disposal, so i decided to try some things in DW on my "LAN"
![]() ![]() It might not be all 100% accurate, because DW is really very complex, and thus its hard to accuratelly test al lthe ascpects, but it should give the general idea ![]() This time it was MH60 versus Chinese Kilo Improved... the helicopter trying to find the submarine at different depths, speeds and other circumstances, using different sensors... so, lets start!!! ![]() ------------------------------------------------------------------------ First test was Kilo detectability againts radar. Kilo was visible on radar when at 14-15 meters, diving to 15-16 meters resulted in kilo being undetectable on the radar. Raising any masts while being at 15-16 meters depth had no effect on its detctability by radar. Getting very close to the kilo did not detected the masts too. ------------------------------------------------------------------------ And now kilo versus sonar ![]() This was the lookout on the beginning ![]() The kilo is about 3,5 miles from our helo, running at 5 knots at 15 meters depth. There are two DICASS buoys next to the helo, one DEEP and one SHALLOW. Both ACTIVE - The DEEP one was able to see the kilo pretty well, while the SHALLOW one was unable to see it at all. The layer was at a 230 meters so it seems a bit strange to me. It was surface duct. --------------------------------------------------------------------------- Then i tried passive detection, and diesel noise ![]() Ok, on those two pictures of passive DICASS and passive dipping sonar, you can see, that you can not see the Kilo at 3,5 miles range, 5 knots at 15 meters depth. :P ![]() ![]() ------------------------------------------------------------------------------ Ok, that was somewhat expected....but lets see what happens if the kilo engages one of its diesels :hmm: ![]() ![]() Now we can see you, boy ![]() ------------------------------------------------------------------------------ So what now, will engaging of the 2nd diesel have any more effect???? ![]() ![]() ![]() Wow! it definitely does! A big time! ![]() ----------------------------------------------------------------------------- Now lets disengage diesels, dive the ship to 100 meters and start running at 15 knots! This tells us a bit about difference in active return in relation to distance to the sub. ![]() ![]() So lets go passive now...the kilo, even at 15 knots, is one sneaky bastard! ![]() ![]() ![]() But still at this range, buoys get no reading and no frequency alert ![]() ![]() But the dipping sonar hears something! But well...it is a very very faint line, i would probably not notice it not knowing where the sub is ![]() ![]() So....let it come just a bit closer! ![]() At a distance of about 350 yards, plus about 200 yards (because my helo drifted in wind) from the buoys, i have at last got a frequency alert and my deep VLAD and only my deep VLAD showed me a nice faint line. ![]() In the next few seconds the deep VLAD developed a second faint line, but that was the best it done, when the kilo came too close to the buoy, the contact was lost. ![]() ------------------------------------------------------------------------------ And now active detection in relation to depth! Kilo at 150 meters... ![]() At 200 meters...... ![]() At 200 and 50 meters............... ![]() Now at 300 meters, there appeared some strange ghost contact! ![]() ![]() ![]() And at 350 meters, the kilo imploded ![]() ![]() -------------------------------- Now that is all.... interesting? :hmm: ![]() |
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#2 |
Ace of the Deep
![]() Join Date: Jan 2006
Posts: 1,140
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Err, you don't think the pictures can be shrunk to quarter size and still be visible?
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#3 |
Loader
![]() Join Date: Aug 2003
Location: Bikini Bottom
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Hey, that was a great post ZeroGreat! Thanks for taking the time to do the experiment and posting the illustrated results! I think if DW came with a strategy guide that used examples such as yours, the game would be much easier to learn.
Well Done! ![]() BTW: As an aside, I have discovered that a lot of people approach DW like I did, that is, they would love to get the game, but the learning curve scares the heck out of them. |
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#4 |
Navy Seal
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Aye Zero reduce the quality of the jpegs and that would help.
Very good though. what version of DW and what mods if any? |
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#5 |
Electrician's Mate
![]() Join Date: Aug 2003
Location: Czech Republic, Prague, coordinates are sumthin like 50,10 North 14,25 East, not much accurate
Posts: 132
Downloads: 0
Uploads: 0
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Of course the pictures can be shrunk...but there is a question... why?
![]() ![]() ![]() Oh, the version, i definitely wanted to notice that but then i forgot ![]() ![]() ![]() I also had pictures of the SSP, both from the kilo and from the helicopter, but somehow, both of these pics became lost ![]() |
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#6 |
Eternal Patrol
![]() Join Date: Sep 2001
Location: Netherlands
Posts: 1,923
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I have problems downloading the pics, even as I have 5000 kbps download speed
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#7 | |
Electrician's Mate
![]() Join Date: Aug 2003
Location: Czech Republic, Prague, coordinates are sumthin like 50,10 North 14,25 East, not much accurate
Posts: 132
Downloads: 0
Uploads: 0
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![]() Quote:
Ok, reduced the overall size from 2,62 MB to 1,82 MB ... should take 3 seconds to load them all on your 5000 kbps line :|\ ... but i dont think 'my' server is that fast anyway ![]() |
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#8 |
Navy Seal
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Thing is Zero I post 1024x768 res pics and they come up quicker.
REduce the jpeg quality when you resave. |
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#9 |
The Old Man
![]() Join Date: Jul 2003
Location: Central MO
Posts: 1,562
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When I attempted to save them, they were bitmaps.
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#10 |
Navy Seal
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That was my first impression when I opened the thread.
If that is the case then no wonder they are taking a long time to load. |
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#11 |
Electrician's Mate
![]() Join Date: Aug 2003
Location: Czech Republic, Prague, coordinates are sumthin like 50,10 North 14,25 East, not much accurate
Posts: 132
Downloads: 0
Uploads: 0
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Verdammt..... They are JPEGs with 30% compression, i am not that dumb to post uncompressed bitmaps, that would have like 2 MB for EACH picture
![]() Anyway, thanks to WargamerScott for appreciating my work and not just complaining like others ![]() |
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#12 |
Navy Seal
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I appreciate the work but for some reason they are loading really slow.
Sorry Zero what you have done is great. |
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#13 |
Silent Hunter
![]() Join Date: Mar 2005
Location: Germany
Posts: 3,668
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30 minutes, still loading...
![]() Next time use Imageshack, please!!! ![]() |
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#14 |
Electrician's Mate
![]() Join Date: Aug 2003
Location: Czech Republic, Prague, coordinates are sumthin like 50,10 North 14,25 East, not much accurate
Posts: 132
Downloads: 0
Uploads: 0
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I'm sorry i dont know why they load so slow for you, the site works fine for me
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#15 |
The Old Man
![]() Join Date: Jul 2003
Location: Central MO
Posts: 1,562
Downloads: 6
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Zero...I wasn't trying to be mean...just letting you know that even with 1.5mb/s download, it's taking quite a bit of time.
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