JANUARY SAILS — ORC Rating

GPH

731.4

OSN

710.5

LOA

9.425 m

Displacement

3722 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6323

Medium

0.8483

High

0.9703

Triple Offshore

Low

0.8073

Medium

1.0419

High

1.1567

Boat Specifications

Dimensions

Length overall: 9.425 m
Beam: 2.7 m
Draft: 1.67 m
Displacement: 3722 kg
Crew weight: 300 kg
Wetted surface: 18.12 m²

Sails

Mainsail: 20.31 m²
Genoa: 26.17 m²
Spinnaker: 58.19 m²
Asymmetric spinnaker: 0 m²

Design

Type: SHE 31
Builder: S&S
Designer: WARVET S
Year built: 1963

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.

6,41.9,3.949959,52,4.42,60,4.63,75,4.8,90,4.75,110,4.82,120,4.69,135,4.31,148.2,3.788714,150,3.72
8,40.7,4.590216,52,5.21,60,5.47,75,5.67,90,5.72,110,5.84,120,5.72,135,5.26,150,4.64,152.1,4.548717
10,41.5,5.20725,52,5.8,60,6,75,6.14,90,6.25,110,6.36,120,6.29,135,6.04,150,5.46,151.9,5.373377
12,41.2,5.542155,52,6.08,60,6.24,75,6.39,90,6.44,110,6.66,120,6.63,135,6.43,150,6.1,160.5,5.728583
14,40.9,5.662473,52,6.21,60,6.38,75,6.56,90,6.64,110,6.93,120,6.93,135,6.74,150,6.45,180,5.98
16,40.8,5.733195,52,6.27,60,6.46,75,6.7,90,6.83,110,7.08,120,7.23,135,7.05,150,6.73,180,6.35
20,41.4,5.772478,52,6.3,60,6.51,75,6.86,90,7.14,110,7.31,120,7.57,135,7.64,150,7.31,180,6.91

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.42	4.63	4.8	4.75	4.82	4.69	4.31	3.72
8	5.21	5.47	5.67	5.72	5.84	5.72	5.26	4.64
10	5.8	6	6.14	6.25	6.36	6.29	6.04	5.46
12	6.08	6.24	6.39	6.44	6.66	6.63	6.43	6.1
14	6.21	6.38	6.56	6.64	6.93	6.93	6.74	6.45
16	6.27	6.46	6.7	6.83	7.08	7.23	7.05	6.73
20	6.3	6.51	6.86	7.14	7.31	7.57	7.64	7.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.9°	2.94	148.2°	3.22
8	40.7°	3.48	152.1°	4.02
10	41.5°	3.9	151.9°	4.74
12	41.2°	4.17	160.5°	5.4
14	40.9°	4.28	180°	5.98
16	40.8°	4.34	180°	6.35
20	41.4°	4.33	180°	6.91

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