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#32 | |
Silent Hunter
![]() Join Date: Dec 2004
Location: AN9771
Posts: 4,904
Downloads: 304
Uploads: 0
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![]() Quote:
Personally I like to keep the N of north on the yellow disk pointing up. The brown disk I change as I change course. 1. Align your course (on the yellow disk) to the white triangle on the largest brown disk. 2. There are 2 sides to the long pointer, one end has a drawing of a boat with a black triangle on the bow, the other a black thick line on his aft. Choose the end like you are seeing the target, are you looking at his tail, or on his bow. Align that end with the bearing of the periscope/UZO/Binoculars on the brown disk. 3. Align the smaller disk (with "Lage" in red and green) to the long pointer with the actual angle as you see his bow. (if you are looking at an angle on his tail, consider the angle to the bow instead, so 180-AOB)) 4. The pointer attached to the smallest disk has a triangle in a boat symbol, which points to the outer scale of the yellow disk. That is the target course! Example: 1: Own course is 035. 35 on the outside scale of the yellow disk is against the white triangle on the brown disk. 2: Looking at peri/uzo/bino bearing 125, he is approaching so you choose the bow-end of the pointer. This end of the pointer should now point to 340 on the outer scale of the yellow disk. 3: I guesstimate (by eye) the angle on the bow to be 65, his right bow that is: Green 65 under the bow end of the long pointer. 4: The black 0 on the smallest disk is at 95 degrees on the inner scale of the yellow disk, and the black triangle on the attached pointer points to 275 of the outside scale. 275 is the target's course. Ok, let's say you want to set a course that puts you at right angles to his course, in other words, his future bearing where his AOB is 90. This is the red or green thin arrow on the smallest disk. Since you are looking to his right bow you choose the green line at 90. Move the pointer over to the green 90, while holding the other disks fixed to one another. The outside scale is the course to go: 005. While the long pointer now points to periscope/uzo/bino bearing 150. This is where you turn you periscope to, and press the "-" key to 'set heading to view'. (could be the "=" key, I keep mixing them up) Let's see if you get the same readings now. ![]()
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My site downloads: https://ricojansen.nl/downloads Last edited by Pisces; 11-03-11 at 06:00 PM. |
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