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Information

Raven 31

ravenyachts.com
1983
Raven 31 is a 9.5 m monohull sailboat designed by Owen Woolley and built by Lotus Yachts/NZ Yachts (NZ) starting in 1983.

Designer: Owen Woolley
Builder: Lotus Yachts/NZ Yachts (NZ)
Association: Raven Yacht Owners Association
# Built "60
Hull: Monohull
Keel: Fin
Rudder: Spade
Construction: FG
Dimensions:
Length Overall: 9.5 m
Waterline Length: 8.9 m
Beam: 3.2 m
Draft: 1.7 m
Displacement: 3,318 kg
Ballast: 1,425 kg
Rig and Sails
Type: Sloop
Reported Sail Area: 41.8 m²
Total Sail Area : ?
Mainsail
Sail Area: ?
P: ?
E: ?
Air Draft: ?
Foresail
Sail Area: ?
I: ?
J: ?
Forestay Length: ?
Auxilary Power
Make: ?
Model:
HP: ?
Fuel Type: Diesel
Fuel Capacity: ?
Accomodations
Water Capacity: ?
Holding Tank Capacity: ?
Headroom: ?
Cabins: ?
Calculations
Hull Speed: 9.9 kn
Classic: 7.26 kn
Sail Area/Displacement: 19.1 ( 16-20: good performance )
Ballast/Displacement: 43.0 ( >40: stiffer, more powerful )
Displacement/Length: 129.4 ( > 100-200: light )
Comfort Ratio: 16.4 ( <20: lightweight racing boat )
Capsize Screening: 2.2 ( >2.0: better suited for coastal cruising )
Notes
Data from Raven Yacht Owners Association (www.ravenyachts.com)