Havkatt — ORC Rating | RegattaPages

GPH

664.6

OSN

644.1

LOA

9.85 m

Displacement

3750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6835

Medium

0.937

High

1.0762

Triple Offshore

Low

0.88

Medium

1.1504

High

1.289

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.22 m
Draft: 1.93 m
Displacement: 3750 kg
Crew weight: 583 kg
Wetted surface: 22.03 m²

Sails

Mainsail: 26.6 m²
Genoa: 30.79 m²
Spinnaker: 61.63 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7 LR
Builder: Beneteau
Designer: Finot
Year built: 1998

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,42.4,4.41462,52,4.94,60,5.19,75,5.4,90,5.34,110,5.19,120,5.03,135,4.55,146.5,3.993352,150,3.85
8,40.9,5.19942,52,5.87,60,6.14,75,6.33,90,6.29,110,6.3,120,6.14,135,5.61,150,4.89,150.5,4.871571
10,40.4,5.869698,52,6.49,60,6.67,75,6.8,90,6.84,110,6.91,120,6.82,135,6.48,150,5.79,152.1,5.691554
12,38.9,6.12919,52,6.76,60,6.92,75,7.08,90,7.15,110,7.31,120,7.22,135,6.96,150,6.54,157.7,6.203999
14,38.3,6.218332,52,6.86,60,7.05,75,7.29,90,7.39,110,7.7,120,7.63,135,7.32,150,6.97,180,6.37
16,38.1,6.252105,52,6.9,60,7.1,75,7.44,90,7.66,110,8.06,120,8.08,135,7.74,150,7.31,180,6.84
20,38.7,6.240146,52,6.91,60,7.13,75,7.55,90,8.06,110,8.47,120,8.93,135,8.69,150,8.1,180,7.52

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.19	5.4	5.34	5.19	5.03	4.55	3.85
8	5.87	6.14	6.33	6.29	6.3	6.14	5.61	4.89
10	6.49	6.67	6.8	6.84	6.91	6.82	6.48	5.79
12	6.76	6.92	7.08	7.15	7.31	7.22	6.96	6.54
14	6.86	7.05	7.29	7.39	7.7	7.63	7.32	6.97
16	6.9	7.1	7.44	7.66	8.06	8.08	7.74	7.31
20	6.91	7.13	7.55	8.06	8.47	8.93	8.69	8.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.26	146.5°	3.33
8	40.9°	3.93	150.5°	4.24
10	40.4°	4.47	152.1°	5.03
12	38.9°	4.77	157.7°	5.74
14	38.3°	4.88	180°	6.37
16	38.1°	4.92	180°	6.84
20	38.7°	4.87	180°	7.52

Loading polar chart…