Category Archives: Underwater

submarines, oceanography

Good Examples of Underwater Pressure

I used to work on ships that were used to test undersea equipment. When we had visitors on the ship, we would put a Styrofoam cup on some of our test gear when lowered the equipment to our test depth. … Continue reading

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6000 Meter Depth Rating on Ocean Search Gear

Quote of the Day The sea is notoriously unforgiving, but it reserves its harshest penalties for those who venture beneath its surface. — U.S. Navy veteran A.J. Hill I have been watching the news coverage of the search for the … Continue reading

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A World War 1 Mechanical Torpedo Fire Control Computer

I have discussed the basic calculations behind firing "straight-running" torpedoes in other posts (here, here, and here). Youtube has a couple of interesting videos showing a basic mechanical torpedo fire control computer from World War 1. It is a nice … Continue reading

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Book Review:"Iron Men and Tin Fish"

I just finished reading the book "Iron Men and Tin Fish" by Anthony Newpower (ISBN 978-1-59114-623-0). It is a short book that does a really nice job of covering the use of torpedoes during World War 2. The author looks … Continue reading

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Trigonometry, WWII Torpedoes, and a Museum Docent

Introduction I received a message a few weeks ago from a docent at an East Coast museum. He was using an article I wrote for the Wikipedia years ago to demonstrate an application of trigonometry to high school kids. In … Continue reading

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Why No More Bathyscaphes?

Introduction Like many people, I have been watching BP try to cap the blown Deepwater Horizon oil well. While BP has had many issues, it has been very interesting watching the unmanned underwater vehicles (UUVs) do their job. When most … Continue reading

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