JKay
Well-Known Member
If it won't plane, it isn't going to do 10-12 knots. 8 knots max is all this'll do at displacement speeds and that's with some tide up the transom.
lots of boats do more than 8 knots without planning.Brochure below claims 12 knots from twin 75's
http://www.jonesboatyard.co.uk/documents/Fairline-Mirage-mkI.pdf
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