TOPITO — ORC Rating | RegattaPages

GPH

666.5

OSN

646.8

LOA

9.61 m

Displacement

3754 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6036

Medium

0.8273

High

0.9514

Triple Offshore

Low

0.7808

Medium

1.0192

High

1.1421

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3754 kg
Crew weight: 420 kg
Wetted surface: 22.04 m²

Sails

Mainsail: 25.47 m²
Genoa: 31.56 m²
Spinnaker: 60.72 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot
Year built: 1996

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.

6,42.8,4.388536,52,4.94,60,5.23,75,5.47,90,5.41,110,5.2,120,5.04,135,4.55,146,4.004644,150,3.84
8,41.2,5.17002,52,5.84,60,6.13,75,6.35,90,6.34,110,6.31,120,6.16,135,5.61,150,4.884383
10,40.5,5.812685,52,6.46,60,6.66,75,6.81,90,6.84,110,6.93,120,6.85,135,6.48,150,5.78,152,5.685502
12,39.4,6.108185,52,6.74,60,6.91,75,7.08,90,7.15,110,7.31,120,7.24,135,6.98,150,6.53,157,6.224845
14,38.6,6.18026,52,6.84,60,7.04,75,7.28,90,7.39,110,7.7,120,7.64,135,7.35,150,6.98,180,6.36
16,38.6,6.231443,52,6.89,60,7.09,75,7.43,90,7.65,110,8.05,120,8.08,135,7.77,150,7.32,180,6.85
20,39.2,6.2198,52,6.88,60,7.11,75,7.53,90,8.04,110,8.47,120,8.91,135,8.72,150,8.12,180,7.54

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.23	5.47	5.41	5.2	5.04	4.55	3.84
8	5.84	6.13	6.35	6.34	6.31	6.16	5.61	4.88
10	6.46	6.66	6.81	6.84	6.93	6.85	6.48	5.78
12	6.74	6.91	7.08	7.15	7.31	7.24	6.98	6.53
14	6.84	7.04	7.28	7.39	7.7	7.64	7.35	6.98
16	6.89	7.09	7.43	7.65	8.05	8.08	7.77	7.32
20	6.88	7.11	7.53	8.04	8.47	8.91	8.72	8.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.22	146°	3.32
8	41.2°	3.89	150°	4.23
10	40.5°	4.42	152°	5.02
12	39.4°	4.72	157°	5.73
14	38.6°	4.83	180°	6.36
16	38.6°	4.87	180°	6.85
20	39.2°	4.82	180°	7.54

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