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Category Archives: Navigation
World War 2 Submarine Hull Thickness Math
Quote of the Day How are the children? — Masai warrior greeting, intended to ensure that the warriors always keep their number one priority in mind. I was reading a blog post on Gizmodo that did a bit of math … Continue reading
Posted in Military History, Naval History
2 Comments
A Problem Solved in Excel and Mathcad
I use both Excel and Mathcad in my daily work. Most people would consider me very proficient in both. I frequently get asked, "Which tool is better?" Like all other interesting questions in Engineering, the answer is "it depends".
As an example, I decided to work a simple problem in both Excel and Mathcad. A number of the advantages and disadvantages of both tools can be seen in this example. The key problem with Excel is its cell-oriented approach. While the cell-oriented approach works for small problems, it has major issue with large problem Continue reading
Image of a Submarine At Periscope Depth
If you have ever wondered what a submarine looks like at periscope depth, here is a photo of the USS Key West (SSN-722). Source is the Wikipedia.
Posted in Naval History, Personal
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Battleship Rangefinders and Geometry
Quote of the Day Russia is a riddle wrapped in a mystery inside an enigma. — Winston Churchill. Introduction While reading a web page on WW2 naval warfare, I found some interesting material on how naval gunfire was spotted -- … Continue reading
Posted in Naval History, optics
19 Comments
Torpedo on an Aruba Beach
I have read in a number of places about torpedoes being found on beaches during wartime, but I have never seen pictures of one on a beach. While researching possible diving locations, I ran across this excellent excellent web article … Continue reading
Posted in Naval History
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Aiming Torpedoes from a PT Boat
I read quite a bit of World War 1 (WW1) and World War 2 (WW2) naval history. Recently, I have tried to specialize my readings on torpedo launch platforms. One area where I have never seen much information is on how torpedoes were used from PT boats during WW2. I am particularly interested in how torpedoes were aimed and launched. While doing some history-related searches on Youtube, I discovered this video that does an excellent job of showing how torpedoes were launched from PT boats. Continue reading
Timing Differences Between Battleship Guns During a Salvo
Quote of the Day The better person you become, the better person you attract. — Pinterest. This is also true for management. I was looking at this picture (Figure 1) of the USS Missouri firing a six-gun salvo and I … Continue reading
Posted in Naval History
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