WINDFALL — ORC Rating

GPH

675.7

OSN

654.5

LOA

11.38 m

Displacement

7723 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6568

Medium

0.9127

High

1.0816

Triple Offshore

Low

0.8526

Medium

1.1357

High

1.294

Boat Specifications

Dimensions

Length overall: 11.38 m
Beam: 3.78 m
Draft: 1.88 m
Displacement: 7723 kg
Crew weight: 643 kg
Wetted surface: 31.33 m²

Sails

Mainsail: 39.65 m²
Genoa: 39.02 m²
Spinnaker: 89.23 m²
Asymmetric spinnaker: 0 m²

Design

Type: Typhoon 37
Builder: Westerley Yachts
Designer: Dubois
Year built: 1990

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.

6,44.1,4.261089,52,4.72,60,5,75,5.23,90,5.2,110,5.17,120,5.02,135,4.52,146.9,3.915395,150,3.79
8,42.4,4.996917,52,5.59,60,5.91,75,6.19,90,6.17,110,6.3,120,6.13,135,5.56,150,4.82,151.2,4.77002
10,42.3,5.637946,52,6.34,60,6.61,75,6.8,90,6.91,110,7,120,6.9,135,6.54,150,5.76,150.5,5.733288
12,42.4,6.202135,52,6.75,60,6.95,75,7.12,90,7.26,110,7.37,120,7.3,135,7.06,150,6.6,155.1,6.361323
14,41.3,6.389231,52,6.96,60,7.14,75,7.33,90,7.47,110,7.69,120,7.63,135,7.4,150,7.06,172.5,6.465312
16,40.5,6.457077,52,7.05,60,7.26,75,7.51,90,7.63,110,8.01,120,7.98,135,7.72,150,7.38,180,6.92
20,39.9,6.478396,52,7.13,60,7.36,75,7.75,90,8.04,110,8.44,120,8.64,135,8.43,150,8,180,7.55

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.72	5	5.23	5.2	5.17	5.02	4.52	3.79
8	5.59	5.91	6.19	6.17	6.3	6.13	5.56	4.82
10	6.34	6.61	6.8	6.91	7	6.9	6.54	5.76
12	6.75	6.95	7.12	7.26	7.37	7.3	7.06	6.6
14	6.96	7.14	7.33	7.47	7.69	7.63	7.4	7.06
16	7.05	7.26	7.51	7.63	8.01	7.98	7.72	7.38
20	7.13	7.36	7.75	8.04	8.44	8.64	8.43	8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	3.06	146.9°	3.28
8	42.4°	3.69	151.2°	4.18
10	42.3°	4.17	150.5°	4.99
12	42.4°	4.58	155.1°	5.77
14	41.3°	4.8	172.5°	6.41
16	40.5°	4.91	180°	6.92
20	39.9°	4.97	180°	7.55

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