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Listening back to this I realized I said the F1 series is in Bahrain this weekend, they are in BARCELONA, Spain.... not Bahrain. I was thinking Barcelona but I repeated said Bahrain because my brain and mouth do not work together very well. Sorry.

I'm on fire today! It's really hot. 98% humidity and billion degrees outside so hot.

Topics: Australia Hunter-class frigate cuts steel, Chinese Coast Guard injure Philippine sailor in axe attack at sea, What is the US-Philippine Mutual Defense Treaty?

And your questions answered. Enjoy!

Comments

Zach

In terms of the virtue of a tumblehome hull for the zumwalt, it was intended as a long range gun platform, a primary characteristic of tumblehomes is that they are much less sensitive to pitching and rolling motions and bring the VCG down lower which would allow you to mount heavy equipment higher without raising the CG beyond limits compared with a flared hull. Look at modern OSVs in the north sea, they use an axe bow with hull that has a mild tumblehome to improve sea keeping. I imagine this was the design regime imagined for the zumwalt. The tumblehomes do lose this stability during damage conditions for the reasons stated in the Question, which is the reason they were abandoned in the late 19th early 20th century. They came back in to resurgence in the 90s because the geometry of the hull had characteristics that made them less observable to radar by reflecting the radar emissions away from the transmitter/receiver and the surface of the ocean to avoid the bouncing tunnel effect created by the ocean and the upper atmosphere. Newer radars and the damage stability problems have made these advantages less of a selling point.