Wave-cancellation using side hull expansions

Slavi


An lack of power to carry sail was most likely the main reason she was slow. Especially given that she was soundly beaten in the Isle of Wight race by the much smaller boat Cambria. The changes to her hull are not that significant when you consider the whole.

When remodelled Sappho was ballasted and the rig was redesigned. The additional 14 inches beam (on a 27 foot beam) was necessarily added to her displacement given that she had been ballasted. It also gave her more form stability.

 

That blisters do this is not new. Many of the first generation dreadnoughts (Taylor hull form) were blistered during the inter-war with various success. This won't happen, as it builds a poorer performing platform.

From the OP cited paper...

That's unacceptable.