Kriegsmarine Angriffscheibe Handbuch

Pisces · 01-23-08, 08:58 AM

Quote:

Originally Posted by klh

Quote:

Originally Posted by Pisces

The way I see it is much simpler. In this situation it is most economical to shoot at the target's port beam (left 90 deg AOB, red side) with a bow shot, like the manual says. If you look closely at the yellow middle (true north) disk you see a clockwise course scale on the outside and a reverse course (counter-clockwise) on the inside of it. This inside (reverse) course scale is right next to the 'Lage' disk. So to hit a target at any desired AOB with bow torpedo's you turn to the course on the reverse compass that it is aligned with. Red 90 is aligned with 270 deg. Red 45 AOB for something like a magnetic shot would be course 315 in this case. (assuming you are ahead far enough for that) See what I mean? It is slightly different as meant in your step 6 and the note below. You shouldn't have to look at the green side if you want to hit the red side.

You may be on to something there. Joe's answer to your first question also gave me some ideas. It looks like I'll have to work on a version 3!

I have another tip for this manual. It involves angles smaller than 5.7 degrees (like torpedo lead/gyro) that the outer angle ring doesn't have. But it requires using a pointer tool too that isn't part of the disk set that Hitman made. Before assembly of my handheld disk was finnished I realised it was quite difficult to align a certain angle with a certain mark on the time disk. So I made a pointer tool myself. I took a long leftover strip of transparent sheet and drew a radial line on it, long enough to reach the edge of the angle disk. Made a fold there to make a U-shape and placed the non-radial-line end between the large and middle disk (to move freely ofcourse around the hinge). The radial-line-half spans across the yellow and time disk over to the hingepoint(again to move freely, not glued!). Hopefully I can convince Hitman to add one to the log-calculator side in another version.

The trick is as follows: I assume you have the middle and inner disks set in a certain way based on a previous 'small angle' calculation. And on one of them is a number that is pointing to a location on the angle disk that represents an angle smaller than 5.7 degrees (left of 90 degrees). The trick is first to 'memorize' this angle position 'in the disk' by aligning the extra pointer tool to it. Now you are free to move the middle wheel to use as a alternative angle wheel. Why? Because the sine of small angles is quite proportional to the angle itself. You should line up the outside 6000m mark on the yellow distance/speed disk to the 6 degrees angle mark on the darkbrown angle disk. And see where the extra pointer tool intersects the yellow disk scale. There is the angle that is smaller than 5.7 degrees. Note ofcourse!!, this angle would be below 5.7 degrees, but can just as easily mean below 0.57 or 0.057 based on the calculation that lead to it. The disks can't tell the difference between 0.01, 0.1, 1, or 10 and so on. You should know which one is right!