GEISHA — ORC Rating | RegattaPages

GPH

551.1

OSN

532.8

LOA

15 m

Displacement

13002 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7223

Medium

0.9984

High

1.1504

Triple Offshore

Low

0.9342

Medium

1.2383

High

1.3961

Boat Specifications

Dimensions

Length overall: 15 m
Beam: 4.36 m
Draft: 2.79 m
Displacement: 13002 kg
Crew weight: 900 kg
Wetted surface: 46.28 m²

Sails

Mainsail: 69.12 m²
Genoa: 50.19 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 162.36 m²

Design

Type: First 50
Builder: Beneteau
Designer: Briand
Year built: 2006
Stability index: 139.3

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.

6,43.2,5.212844,52,5.83,60,6.17,75,6.41,90,6.28,110,6.34,120,6.16,135,5.49,142.4,5.036037,150,4.61
8,41.2,6.233263,52,6.99,60,7.3,75,7.51,90,7.58,110,7.69,120,7.53,135,6.88,146,6.151712,150,5.89
10,40,6.996983,52,7.79,60,8.03,75,8.2,90,8.35,110,8.51,120,8.39,135,7.93,148.4,7.103216,150,6.99
12,38.8,7.429383,52,8.25,60,8.46,75,8.62,90,8.75,110,9,120,8.93,135,8.6,149.6,7.895527,150,7.86
14,38.1,7.624518,52,8.48,60,8.7,75,8.92,90,8.95,110,9.4,120,9.4,135,9.08,150,8.42,150.1,8.420841
16,37.6,7.724448,52,8.6,60,8.85,75,9.14,90,9.24,110,9.74,120,9.85,135,9.55,150,8.81,167.6,7.842958
20,37.8,7.871873,52,8.72,60,9,75,9.44,90,9.75,110,10.2,120,10.71,135,10.59,150,9.5,176.6,8.665252

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.83	6.17	6.41	6.28	6.34	6.16	5.49	4.61
8	6.99	7.3	7.51	7.58	7.69	7.53	6.88	5.89
10	7.79	8.03	8.2	8.35	8.51	8.39	7.93	6.99
12	8.25	8.46	8.62	8.75	9	8.93	8.6	7.86
14	8.48	8.7	8.92	8.95	9.4	9.4	9.08	8.42
16	8.6	8.85	9.14	9.24	9.74	9.85	9.55	8.81
20	8.72	9	9.44	9.75	10.2	10.71	10.59	9.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.8	142.4°	3.99
8	41.2°	4.69	146°	5.1
10	40°	5.36	148.4°	6.05
12	38.8°	5.79	149.6°	6.81
14	38.1°	6	150.1°	7.3
16	37.6°	6.12	167.6°	7.66
20	37.8°	6.22	176.6°	8.65

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