ISABEL.LA — ORC Rating

GPH

585.8

OSN

568

LOA

14.506 m

Displacement

11644 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6651

Medium

0.9302

High

1.0958

Triple Offshore

Low

0.8698

Medium

1.1673

High

1.331

Boat Specifications

Dimensions

Length overall: 14.506 m
Beam: 4.51 m
Draft: 2.27 m
Displacement: 11644 kg
Crew weight: 966 kg
Wetted surface: 43.39 m²

Sails

Mainsail: 59.15 m²
Genoa: 63.27 m²
Spinnaker: 133.14 m²
Asymmetric spinnaker: 117.39 m²

Design

Type: FIRST 47.7 (SK)
Builder: BENETEAU
Designer: B.FARR
Year built: 1999

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.

6,44.6,4.887462,52,5.43,60,5.83,75,6.2,90,6.16,110,5.85,120,5.67,135,5.12,144,4.585812,150,4.28
8,43.1,5.848015,52,6.54,60,6.94,75,7.3,90,7.3,110,7.18,120,6.99,135,6.39,148,5.577514,150,5.46
10,42.4,6.635472,52,7.4,60,7.74,75,7.99,90,8.03,110,8.09,120,7.97,135,7.46,150,6.512511
12,41.6,7.11422,52,7.88,60,8.15,75,8.37,90,8.43,110,8.58,120,8.51,135,8.18,150,7.45,152.5,7.305435
14,40.9,7.316233,52,8.08,60,8.34,75,8.62,90,8.73,110,8.97,120,8.94,135,8.63,150,8.13,158.5,7.716965
16,40.3,7.381977,52,8.18,60,8.44,75,8.8,90,9,110,9.37,120,9.39,135,9.05,150,8.57,180,7.81
20,40.5,7.430242,52,8.24,60,8.51,75,8.97,90,9.48,110,9.88,120,10.22,135,10.01,150,9.38,180,8.7

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.43	5.83	6.2	6.16	5.85	5.67	5.12	4.28
8	6.54	6.94	7.3	7.3	7.18	6.99	6.39	5.46
10	7.4	7.74	7.99	8.03	8.09	7.97	7.46	6.52
12	7.88	8.15	8.37	8.43	8.58	8.51	8.18	7.45
14	8.08	8.34	8.62	8.73	8.97	8.94	8.63	8.13
16	8.18	8.44	8.8	9	9.37	9.39	9.05	8.57
20	8.24	8.51	8.97	9.48	9.88	10.22	10.01	9.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.6°	3.48	144°	3.71
8	43.1°	4.27	148°	4.73
10	42.4°	4.9	150°	5.64
12	41.6°	5.32	152.5°	6.48
14	40.9°	5.53	158.5°	7.18
16	40.3°	5.63	180°	7.81
20	40.5°	5.65	180°	8.7

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