It's very nice, but what's the comparative advantage of this design over this replica of the historical tool here which includes a periscope overlay?
(in this picture the front and back sides are shown as separate entities, but normally they are all one - the back side is a speed omnimeter for solving speed using the collision course method)
http://www.subsim.com/radioroom/show...6&postcount=84
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"Enemy submarines are to be called U-Boats. The term submarine is to be reserved for Allied under water vessels. U-Boats are those dastardly villains who sink our ships, while submarines are those gallant and noble craft which sink theirs." Winston Churchill
Last edited by joegrundman; 07-02-09 at 11:44 AM.
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