Now, what went wrong here. I think number one is the inappropriate use of a constant bearing technique. After all, the constant bearing techniques work at any range if you know the target speed. In other words, the solution is just the same at 1000 yards as it is at 2000 yards.
The same gyro setting hits both targets moving the same speed! However when we project bearings onto a fictitious course we end up changing the speed, according to whether the fictitious course is nearer or farther than the real target.
So though intuitively, it seems reasonable that this should work, it cannot. I will now investigate more conventional targeting methods.
I have had a bad stadimeter reading and set for a range over or under the real range. Using the attack screen I can adjust the speed to a wrong speed that is proportional to my error.
For example, suppose my input range is too large. I can input a speed higher than the target's real speed. If I get the right one, a line from my submarine through the impact point in the empty ocean intersects with the target position. That is a valid solution and I will get a hit.
The same thing applies to a range too short. By reducing the speed, I can make a situation where a line from the submarine through the impact poiint on the attack map intersects the real target. I'll hit that target with a bad range and speed.
In both instances the AoB/target course has to be nearly right.
So that's where I go next: to familiar ground and outside my normal preference for constant bearing techniques.
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