NORTH FACE — ORC Rating

GPH

726.8

OSN

702.9

LOA

9.2 m

Displacement

3415 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6174

Medium

0.8514

High

0.9906

Triple Offshore

Low

0.7956

Medium

1.0558

High

1.193

Boat Specifications

Dimensions

Length overall: 9.2 m
Beam: 3.2 m
Draft: 1.5 m
Displacement: 3415 kg
Crew weight: 400 kg
Wetted surface: 19.75 m²

Sails

Mainsail: 18.55 m²
Genoa: 26.6 m²
Spinnaker: 60.09 m²
Asymmetric spinnaker: 0 m²

Design

Type: SUN LIGHT 31 SQ
Builder: JEANNEAU
Designer: ANDRIEU DANIEL
Year built: 1988

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.

6,44.2,3.891699,52,4.29,60,4.55,75,4.76,90,4.71,110,4.84,120,4.72,135,4.32,147.6,3.789997,150,3.7
8,42.7,4.585567,52,5.12,60,5.41,75,5.66,90,5.75,110,5.92,120,5.78,135,5.32,150,4.68,151,4.630584
10,42.8,5.192647,52,5.8,60,6.06,75,6.24,90,6.41,110,6.52,120,6.45,135,6.16,150,5.53,152.1,5.431304
12,42.2,5.656012,52,6.2,60,6.4,75,6.55,90,6.71,110,6.88,120,6.83,135,6.61,150,6.23,158.1,5.906215
14,41.2,5.834547,52,6.4,60,6.58,75,6.76,90,6.86,110,7.22,120,7.19,135,6.94,150,6.62,180,6.08
16,41.6,5.937432,52,6.47,60,6.68,75,6.94,90,7.04,110,7.52,120,7.55,135,7.3,150,6.93,180,6.51
20,42.9,5.965521,52,6.47,60,6.71,75,7.14,90,7.45,110,7.82,120,8.18,135,8.05,150,7.61,180,7.12

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.29	4.55	4.76	4.71	4.84	4.72	4.32	3.7
8	5.12	5.41	5.66	5.75	5.92	5.78	5.32	4.68
10	5.8	6.06	6.24	6.41	6.52	6.45	6.16	5.53
12	6.2	6.4	6.55	6.71	6.88	6.83	6.61	6.23
14	6.4	6.58	6.76	6.86	7.22	7.19	6.94	6.62
16	6.47	6.68	6.94	7.04	7.52	7.55	7.3	6.93
20	6.47	6.71	7.14	7.45	7.82	8.18	8.05	7.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.79	147.6°	3.2
8	42.7°	3.37	151°	4.05
10	42.8°	3.81	152.1°	4.8
12	42.2°	4.19	158.1°	5.48
14	41.2°	4.39	180°	6.08
16	41.6°	4.44	180°	6.51
20	42.9°	4.37	180°	7.12

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