Quote:
Originally Posted by gurudennis
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7. Estimate the angle on the bow, or AOB. This can be done by eye. Angle on the bow is the angle at which an observer on the target ship would see the attacking U-boat, if said observer wasn't oblivious to the U-boat's presence that is. For instance, if a ship is on a perpendicular course to the U-boat and passing left to right in the AP view, the angle on the bow is 90 degrees starboard. If the ship is closing with the U-boat from right to left at a steep angle, its angle on the bow could be for example 30 degrees port. With some practice, you can determine this value fairly reliably. Have the TDC operator enter this value and keep repeating (and adjusting) it so the TDC operator can keep entering the value. Due to a bug (or inconvenient feature) in the game, the AOB gets continually and erroneously adjusted as you rotate the AP, so the TDC operator needs to constantly adjust it back....
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I very much disagree that this is a bug. And not even an inconvenient feature. It is a
very useful feature when you are attacking multiple parallel moving targets on different bearings. (Like as in a convoy) After setting the AOB on one specific target at a specific bearing, you turn the scope to another target and the AOB dial shows the proper AOB for that target. No need to guestimate AOB again because all members in a convoy (should) have the same course.
When the TDC operator sets the direction feed selector to Off, he can adjust the heading (=relative bearing) dial and AOB by himself (in accordance with Commander and Navigator orders). The TDC immediately calculates the target course from the set target bearing (heading dial bottom left) and AOB dial and an internal feed from the uboats compas. This target course is held internal in the TDC.
Then when the direction feed selector (top right) is turned to the AP/OP/UZO the AOB dial and bearing/heading dial change. But this is properly calculated based on the internal target course previously set by the TDC operator turning the other dials. If the periscope was turned to another direction than the TDC operator initially set his needle to, then the AOB dial will show whatever the target would look like if it were in the direction the periscope is facing currently. If the periscope is turned to the same direction as the TDC operator initially set the bearing/heading dial then that same AOB as he set will become visible on the dial.
Now, it is ofcourse possible that the TDC operator set inaccurate values while the selector was in the off-position. But once the selector is set to one of the viewing devices the operator can still set the AOB as told by the person operating the selected viewing device. This is only a correction of AOB from better or actual (visual) data. Not because of a bug or something screwing up the AOB needle orientation. The devs did a proper recreation of how the actual device operated.