It's a "good read". It was written by the son of one of the crew that served during WWII. The book covers the construction of the boat at the Manitowoc shipyard in Wisconsin, its launching and commissoning, the passage from Manitowoc down the Mississippi river to New Orleans and on to Pearl Harbor, HI. All patrols are covered in detail. I bought my copy of the book at a "Scorp
Forum: General Discussions

Given that the conning tower was oriented vertically and the hull-plating at the opening for the conning tower was oriented horizontally, the most likely type of weld-joint between the two would be a tee weld at about 90 degrees. As I recall, the thickness of the hull-plate was about 25-30 mm, which points towards a tee-weld with the root (back side) of the weld being back-gouged to clean metal a
Forum: Technology and Operations

A message of good will and good wishes to all on this new year. As a father of 4 and grandfather of 1, I can appreciate the magnitude of the changes that are descending on the family Helgason. Ed Dalder
Forum: General Discussions

Chris--I've got a recently-published english translation of Kk Von Trapp's autobiography. Please contact me if you wish additipnal infprmation about this book. Ed Dalder
Forum: WWI forum