Noticed the information you provided, and would appreciate very much to get more information. A few more rpm/speed readings including the maximum would be of interest, as well as the propeller size and number of blades. Kind regards, Lars

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A friend just installed a Vari-prop on Swan 46 with increase in speed of almost 1knot. using his ancient Perkins. Point here is that @ 2000 RPM almost 8knt. is achieved and when driving into tough weather that extra knt. is “appreciated”.