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post #169 of Old 04-15-2013
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Re: Modern Hull forms and Motion Comfort

I've had the good fortune of sailing on one of those 'modern' hull forms - in blue water and configured for 'cruising'.
Namely Alex's Guilietta - a modified Del Conde 42

She didn't do 20+ on the two days we sailed her down the coast of Portugal, but she did break 14 on a regular basis. IIRC she weighed in at 12000 pounds. Her assym was the now old big blue - 1500 sq ft. The afternoon of the first day saw winds in the 20-30kt range.
Her interior (at the time) was fully outfitted for short term cruising. She has since been stripped and is now dedicated to racing.

Day two was mostly light winds - sailing until the schedule got in the way then motoring.
I the time I likened her to a 42 foot cruising dinghy.
I still do.
Stepping off the pier onto her transom step my modest 180 pounds sank the stern a full inch.
Bottom line for me - boats like this are not suitable for long range cruising. I repeat, cruising. She bobbed, she bounced, she required constant and nitpicking attention at the helm to maintain performance - Something no cruiser is going to put up with.

Did I mention we rounded up 7 times (assym in the water) and broached once- boom in the water?
I've only been sailing 11 years but I only know of one 'cruiser' who has ever put a boom in the water.

I'll stick with my old fashioned almost full keel, moderate displacement (20k) Irwin 38 CC with a SA/D of 16.7, with a pounds per inch of immersion of 1390 lbs (per Irwin).
I might get to the anchor a little later than others, but I'll get there.

Lessons learned are opportunities earned.
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