Yess — ORC Rating | RegattaPages

GPH

668.6

OSN

646.9

LOA

9.85 m

Displacement

3858 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5985

Medium

0.828

High

0.959

Triple Offshore

Low

0.774

Medium

1.0183

High

1.1454

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.21 m
Draft: 1.94 m
Displacement: 3858 kg
Crew weight: 586 kg
Wetted surface: 22.12 m²

Sails

Mainsail: 26.45 m²
Genoa: 31.26 m²
Spinnaker: 57.69 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7 LR
Builder: Beneteau
Designer: Finot
Year built: 1999
Stability index: 107.1

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.

6,43,4.389121,52,4.92,60,5.21,75,5.42,90,5.34,110,5.13,120,4.96,135,4.45,146,3.944333,150,3.77
8,41.4,5.185899,52,5.85,60,6.14,75,6.35,90,6.32,110,6.27,120,6.08,135,5.52,150,4.82,150.5,4.802634
10,40.8,5.852086,52,6.47,60,6.66,75,6.81,90,6.84,110,6.9,120,6.81,135,6.41,150,5.73,152.9,5.582935
12,39.3,6.164063,52,6.77,60,6.93,75,7.08,90,7.16,110,7.29,120,7.21,135,6.93,150,6.49,157.4,6.174108
14,38.2,6.235232,52,6.88,60,7.07,75,7.29,90,7.39,110,7.67,120,7.59,135,7.3,150,6.95,169.4,6.419547
16,38.1,6.290227,52,6.94,60,7.14,75,7.46,90,7.66,110,8.05,120,8.01,135,7.7,150,7.29,178.4,6.802652
20,38.2,6.286132,52,6.96,60,7.18,75,7.6,90,8.08,110,8.51,120,8.88,135,8.62,150,8.08,179,7.481139

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.21	5.42	5.34	5.13	4.96	4.45	3.77
8	5.85	6.14	6.35	6.32	6.27	6.08	5.52	4.82
10	6.47	6.66	6.81	6.84	6.9	6.81	6.41	5.73
12	6.77	6.93	7.08	7.16	7.29	7.21	6.93	6.49
14	6.88	7.07	7.29	7.39	7.67	7.59	7.3	6.95
16	6.94	7.14	7.46	7.66	8.05	8.01	7.7	7.29
20	6.96	7.18	7.6	8.08	8.51	8.88	8.62	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.21	146°	3.27
8	41.4°	3.89	150.5°	4.18
10	40.8°	4.43	152.9°	4.97
12	39.3°	4.77	157.4°	5.7
14	38.2°	4.9	169.4°	6.31
16	38.1°	4.95	178.4°	6.8
20	38.2°	4.94	179°	7.48

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