what size auxiliary

[ciscodisco]

Hi all, I presently have a Quicksilver 550 Commander wth Mercury 75 Hp 2 stroke, hull length 5.5 meters and weighs around 750Kg. As fuel prices are rocketing here in Ireland I want something economical for a leisurely cruise.
What size of auxiliary would I need to trawl / cruise at around 4 knots (lake use)

Thanks Ian.


++++

 

[tashasdaddy]

Re: what size auxiliary

6-8 hp could go to a 9.9hp