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47' cruiser-racer yacht Mysphi, 1994
Specifications

Substantial background research was carried out for this project, in two conflicting areas: racing and cruising.

Our first step was to create dynamic velocity predictions, integrating the particulars of sailing conditions on Lake Geneva and the ACVL rating rules. The other major aspect of this design was to evaluate the necessity of each single component in terms of cruising comfort and race performance. For instance, carrying lead in the bilge or having a wine cellar onboard are exactly the same in terms of speed but certainly not in comfort…

The result is a very comfortable yacht that can win races in her category (Bol d'Or 1997 first in Category 2, ninth overall).

More informations:
www.decision.ch
Specifications
specs

Technical specifications

  47' cruiser-racer yacht "Mysphi"
designed in : 1994-1995
hull length : 47' (14.20 m)
beam : 4.40 m
draft : 1.80 m - 3.10 m
displacement in measurement trim : 7'800 kg
keel and ballast : lifting keel made of 1'230 kg of 3D milled stainless steel fin-keel,
plus 1'740 kg of lead bulb.
engine : 38 hp volvo
mainsail area : 75 m2
maxi genoa : 64 m2
solent : 56 m2
spinnaker : 410 m2
mast height above wl : 23.10 m
mast construction : carbon
hull construction : sandwich glass epoxy and pvc
built by : decision sa
interior construction, furnitures : denis menetrey & co
architecture & engineering : Sebastien Schmidt
interior design : Sebastien Schmidt and Armand Schaeffer