Article - application of "Froude Number" analysing a boat I worked on."Hydrodynamics, Froude number and a clever vessel design"
I knew this in late March 2022, but wrote the article on New Year's Eve when had a virus and was alone until it passed.
A non-technical friend said "This is >>>*not*<<< trivial!" and helped me straighten-out the language to try to make the story accessible.
What they have achieved is astonishing.
These boats are about the size they need to be at about 25m length. But has a speed up 26kt - which should be infeasible - they've "ripped-up a rule-book".26kt is the domain of significant-sized military vessels and hundred-of-metres long streamlined container-ships carrying high-value time-sensitive fully-manufactured cargoes at premium speed.
The boats are no panacea - they have a very limited application (eg. their cargo capacity is minimal for their size). But for this one application of servicing offshore wind-farms they are pretty-much a panacea. A crucial advantage is they ride the waves by hardly moving at all, which makes transfer over the bow to wind-turbine towers do-able in quite fearsome seas.
Regards, Rich Smith