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post #794 of Old 06-26-2013 Thread Starter
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Re: Bob Perry's take on Wolfenzee's dream boat

Originally Posted by jorgenl View Post

That makes a lot of sense from an engineering perspective ( I am one...).

The interesting thing is that a lot of high latitude sailors seem to favor steel or aluminum, why is that ? iced in situation potential of crushing hull?
Thank you for the supportive comment. I am not sure why high latitude sailors would prefer aluminum, but steel does have advantages in that application such as its high abrasion resistance and the ability to make repairs even in a cold climate.

You can achieve better impact resistance with a kevlar-vinylester laminate, and a pretty high abrasion resistance, but if you breech the skin, I am not sure how you would make a reliable repair without heating the area up to a temperature in the 40F range.

The other thing is that many of the high latitude boats are pretty big boats. At some point as boats get bigger (probably something in excess of 40 or so feet), steel's higher unit strength does come into play and steel begins to become a more competitive choice.


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