WILLIAM B — ORC Rating

GPH

606.6

OSN

588.6

LOA

10.617 m

Displacement

4711 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7565

Medium

1.0257

High

1.1749

Triple Offshore

Low

0.9747

Medium

1.2548

High

1.4069

Boat Specifications

Dimensions

Length overall: 10.617 m
Beam: 3.59 m
Draft: 2.17 m
Displacement: 4711 kg
Crew weight: 580 kg
Wetted surface: 25.1 m²

Sails

Mainsail: 37.84 m²
Genoa: 29.22 m²
Spinnaker: 90.64 m²
Asymmetric spinnaker: 104.8 m²

Design

Type: A 35
Builder: ARCHAMBAULT
Designer: NIVELT
Year built: 2005

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.

6,42.4,4.685456,52,5.25,60,5.54,75,5.76,90,5.94,110,6,120,5.84,135,5.26,144.2,4.759182,150,4.46
8,40.9,5.583093,52,6.29,60,6.58,75,6.77,90,7.02,110,7.12,120,6.99,135,6.48,147.8,5.719734,150,5.59
10,40,6.279009,52,6.95,60,7.14,75,7.27,90,7.43,110,7.63,120,7.56,135,7.25,149.2,6.624291,150,6.57
12,38.4,6.545927,52,7.24,60,7.41,75,7.58,90,7.62,110,8.06,120,8.04,135,7.71,150,7.24,157.7,6.906542
14,38,6.649655,52,7.35,60,7.56,75,7.82,90,7.91,110,8.36,120,8.58,135,8.21,150,7.67,175.6,7.000633
16,37.9,6.703975,52,7.4,60,7.62,75,8.01,90,8.22,110,8.63,120,9.03,135,8.78,150,8.12,180,7.46
20,37.6,6.815689,52,7.49,60,7.69,75,8.16,90,8.74,110,9.15,120,9.71,135,10.28,150,9.2,180,8.3

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.25	5.54	5.76	5.94	6	5.84	5.26	4.46
8	6.29	6.58	6.77	7.02	7.12	6.99	6.48	5.59
10	6.95	7.14	7.27	7.43	7.63	7.56	7.25	6.57
12	7.24	7.41	7.58	7.62	8.06	8.04	7.71	7.24
14	7.35	7.56	7.82	7.91	8.36	8.58	8.21	7.67
16	7.4	7.62	8.01	8.22	8.63	9.03	8.78	8.12
20	7.49	7.69	8.16	8.74	9.15	9.71	10.28	9.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.46	144.2°	3.86
8	40.9°	4.22	147.8°	4.84
10	40°	4.81	149.2°	5.69
12	38.4°	5.13	157.7°	6.39
14	38°	5.24	175.6°	6.98
16	37.9°	5.29	180°	7.46
20	37.6°	5.4	180°	8.3

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