SEA DANCER — ORC Rating

GPH

669.3

OSN

654.3

LOA

7.785 m

Displacement

1400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6309

Medium

0.8181

High

0.9117

Triple Offshore

Low

0.8092

Medium

0.9979

High

1.1063

Boat Specifications

Dimensions

Length overall: 7.785 m
Beam: 2.5 m
Draft: 1.82 m
Displacement: 1400 kg
Crew weight: 250 kg
Wetted surface: 13.14 m²

Sails

Mainsail: 22.08 m²
Genoa: 16.89 m²
Spinnaker: 43.02 m²
Asymmetric spinnaker: 40.84 m²

Design

Type: FIRST CLASS 8
Builder: BENETEAU
Designer: FINOT
Year built: 1986

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.

6,41.2,4.571946,52,5.14,60,5.38,75,5.56,90,5.74,110,5.59,120,5.32,135,4.74,145,4.199465,150,3.97
8,39.8,5.349588,52,5.91,60,6.06,75,6.17,90,6.36,110,6.29,120,6.15,135,5.74,148,5.082259,150,4.98
10,37.9,5.614104,52,6.19,60,6.34,75,6.5,90,6.74,110,6.78,120,6.65,135,6.33,150,5.8,153.5,5.642872
12,37.3,5.68215,52,6.28,60,6.46,75,6.77,90,6.98,110,7.31,120,7.2,135,6.81,150,6.37,170,5.828549
14,37.3,5.719864,52,6.32,60,6.53,75,6.92,90,7.25,110,7.78,120,7.77,135,7.34,150,6.81,180,6.26
16,37.5,5.722545,52,6.33,60,6.56,75,7,90,7.47,110,8.13,120,8.4,135,7.96,150,7.3,180,6.68
20,38.7,5.791676,52,6.39,60,6.65,75,7.07,90,7.64,110,8.68,120,9.56,135,9.81,150,8.55,180,7.61

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.38	5.56	5.74	5.59	5.32	4.74	3.97
8	5.91	6.06	6.17	6.36	6.29	6.15	5.74	4.98
10	6.19	6.34	6.5	6.74	6.78	6.65	6.33	5.8
12	6.28	6.46	6.77	6.98	7.31	7.2	6.81	6.37
14	6.32	6.53	6.92	7.25	7.78	7.77	7.34	6.81
16	6.33	6.56	7	7.47	8.13	8.4	7.96	7.3
20	6.39	6.65	7.07	7.64	8.68	9.56	9.81	8.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.44	145°	3.44
8	39.8°	4.11	148°	4.31
10	37.9°	4.43	153.5°	5.05
12	37.3°	4.52	170°	5.74
14	37.3°	4.55	180°	6.26
16	37.5°	4.54	180°	6.68
20	38.7°	4.52	180°	7.61

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