Aug

16

 "Captain" Vic in Vinalhaven Maine, looking over the harbor and thinking about analogies between boats and trading…

Bill Rafter writes: 

Observing boats can be very interesting because of the diversity of the boats. They are constantly being modified to fit circumstances. The phrase "different horses for different courses" holds very true for boats. It is indeed fair to say that the sea designs all boats as the unsuccessful designs wind up at the bottom.

The diversity of design is evident in ugly commercial vessels, but also true for sailing vessels. Observe the different positions of the masts. The Swiss mathematician Euler won several prizes related to naval architecture, after finishing second in the first contest about mast positioning. If you are lucky you will get to see a ship with the masts raked (tilted) sternwards, common with clipper ships and also a Chinese junk with the mast raked forward.

Interesting also is the trade-off between speed and stability evidenced by the ratio of length to beam (width). The tipping point between the two seems to be a ratio of 6 to 1.

There's a lot to see.


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