Quote:
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Originally Posted by xlbob
Quote:
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Originally Posted by High Voltage
I've read that some people make their marks on the contact line that extends from their sub at the point at which the line starts fading away. Inexact but it's a start. (snip)
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That's how I did it. I play at 61% realism. Sailing to my assigned patrol area or when patroling the asigned grid, every now and then I will go to periscope depth every now and then (every two or three hours), keep the speed ahead full, and tell SO to do normal sweeping.
When I get contatc report, I got the map and zoom in to the max magnification. Once I get max zoom, I mark the end of the contatc line. I stay submerge and keep the speed and mark the contact line again, when the contact line moves., which indicate the ship is moving, I mark the end of the contact line again. After several marks, I usually end up with at least 5 marks, I draw a line connecting those marks. That line is the ship's path. To figure which direction it goes, I simply extended the line and determine where i plan to intercept it.
This method works every time for a single ship and convoys. If a convoy, simply make more marks on several contact lines. You'll be able to tell if the convoy consist of two columns or three columns, then you can position your boat inside the convoy.
When I say "every time" I mean every single time in my last 2 careers, with the last one lasted up to 6th mission 
I also find out on several occasions, that when the map is zoomed in to the max magnification, the difference between the ship's position as indicated by the marking on contact line and the actual position of the ship seen through the periscope is about 100 m. The contact line shows the ship(s) to be 100 m farther then its actual position.
Bob |
Awesome. And here I was trying to use trig, the stopwatch, and a bunch of other stuff to solve it.
I thought the hydrophone information was bearing only - I didn't know that it provided a reasonably accurate estimate of distance as well. Going to max zoom is a great tip, and using this data to map convoy columns is also very useful.
Gentlemen, thanks very much to all of you for your assistance with this problem. I've learned an awful lot on this thread, and a tremendous amount of faulty guesswork on my part has just been eliminated from my patrols.