Has any­one fit­ted Kort noz­zles?

Yachting Monthly - - LETTERS -

The risk of get­ting a rope around my prop and shaft has caused me to con­sider fit­ting a guard. As well as re­duc­ing that risk, I may get a slight im­prove­ment in per­for­mance un­der power, as Kort noz­zles in­crease thrust. There should be less vi­bra­tion caused by the small gap be­tween the end of the blades and the hull, and there might be a re­duc­tion in, or even elim­i­na­tion of, prop walk when go­ing astern, which would be nice. But if this hap­pens, it will be harder to turn sharply by go­ing ahead then astern in bursts.

Have any of your read­ers have tried this? Is there a flaw in my rea­son­ing? John Pen­nefa­ther, Syd­ney

Has any­one fit­ted a Kort noz­zle on a yacht to stop lines foul­ing the prop?

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