First Mill — ORC Rating

GPH

621.7

OSN

604.4

LOA

10.64 m

Displacement

5406 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6583

Medium

0.8892

High

1.0144

Triple Offshore

Low

0.8485

Medium

1.0878

High

1.2064

Boat Specifications

Dimensions

Length overall: 10.64 m
Beam: 3.46 m
Draft: 2.21 m
Displacement: 5406 kg
Crew weight: 636 kg
Wetted surface: 26.21 m²

Sails

Mainsail: 41.53 m²
Genoa: 39.28 m²
Spinnaker: 83.3 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 36.7
Builder: Beneteau
Designer: Bruce Farr
Year built: 2001
Stability index: 114.1

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.

6,42.4,4.820874,52,5.4,60,5.7,75,5.93,90,5.87,110,5.63,120,5.45,135,4.92,144.8,4.393346,150,4.15
8,41.2,5.701641,52,6.39,60,6.64,75,6.81,90,6.8,110,6.77,120,6.62,135,6.04,149.8,5.252959,150,5.24
10,40,6.305117,52,6.94,60,7.1,75,7.22,90,7.26,110,7.34,120,7.25,135,6.9,150,6.2,152,6.093227
12,38.7,6.483602,52,7.15,60,7.32,75,7.49,90,7.55,110,7.73,120,7.66,135,7.37,150,6.94,157.7,6.614717
14,38.4,6.571447,52,7.23,60,7.41,75,7.69,90,7.83,110,8.11,120,8.08,135,7.76,150,7.38,171.2,6.820286
16,38.4,6.635247,52,7.27,60,7.46,75,7.8,90,8.1,110,8.36,120,8.5,135,8.19,150,7.75,179,7.2211
20,38.4,6.686288,52,7.31,60,7.5,75,7.9,90,8.41,110,8.74,120,9.13,135,9.12,150,8.57,179,7.941209

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.4	5.7	5.93	5.87	5.63	5.45	4.92	4.15
8	6.39	6.64	6.81	6.8	6.77	6.62	6.04	5.24
10	6.94	7.1	7.22	7.26	7.34	7.25	6.9	6.2
12	7.15	7.32	7.49	7.55	7.73	7.66	7.37	6.94
14	7.23	7.41	7.69	7.83	8.11	8.08	7.76	7.38
16	7.27	7.46	7.8	8.1	8.36	8.5	8.19	7.75
20	7.31	7.5	7.9	8.41	8.74	9.13	9.12	8.57

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.56	144.8°	3.59
8	41.2°	4.29	149.8°	4.54
10	40°	4.83	152°	5.38
12	38.7°	5.06	157.7°	6.12
14	38.4°	5.15	171.2°	6.74
16	38.4°	5.2	179°	7.22
20	38.4°	5.24	179°	7.94

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