TALLY HO — ORC Rating

GPH

657.8

OSN

637.9

LOA

9.61 m

Displacement

3725 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6121

Medium

0.8404

High

0.9691

Triple Offshore

Low

0.791

Medium

1.032

High

1.1616

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3725 kg
Crew weight: 560 kg
Wetted surface: 21.91 m²

Sails

Mainsail: 26.75 m²
Genoa: 30.53 m²
Spinnaker: 58.31 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot
Year built: 1998

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.

6,42.8,4.483939,52,5.03,60,5.32,75,5.54,90,5.47,110,5.25,120,5.08,135,4.57,146,4.04083,150,3.87
8,41.2,5.276344,52,5.95,60,6.23,75,6.44,90,6.42,110,6.38,120,6.2,135,5.64,150,4.919024
10,40.5,5.931042,52,6.55,60,6.72,75,6.87,90,6.89,110,6.97,120,6.88,135,6.5,150,5.81,153,5.667748
12,38.6,6.193056,52,6.83,60,6.98,75,7.14,90,7.23,110,7.36,120,7.28,135,7,150,6.56,158,6.21236
14,37.9,6.285769,52,6.95,60,7.14,75,7.37,90,7.46,110,7.78,120,7.69,135,7.37,150,7,180,6.39
16,37.7,6.331965,52,7,60,7.21,75,7.57,90,7.75,110,8.19,120,8.14,135,7.8,150,7.35,180,6.88
20,38.6,6.346603,52,7.01,60,7.25,75,7.73,90,8.23,110,8.7,120,9.1,135,8.77,150,8.16,179.8,7.580046

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.03	5.32	5.54	5.47	5.25	5.08	4.57	3.87
8	5.95	6.23	6.44	6.42	6.38	6.2	5.64	4.92
10	6.55	6.72	6.87	6.89	6.97	6.88	6.5	5.81
12	6.83	6.98	7.14	7.23	7.36	7.28	7	6.56
14	6.95	7.14	7.37	7.46	7.78	7.69	7.37	7
16	7	7.21	7.57	7.75	8.19	8.14	7.8	7.35
20	7.01	7.25	7.73	8.23	8.7	9.1	8.77	8.16

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.29	146°	3.35
8	41.2°	3.97	150°	4.26
10	40.5°	4.51	153°	5.05
12	38.6°	4.84	158°	5.76
14	37.9°	4.96	180°	6.39
16	37.7°	5.01	180°	6.88
20	38.6°	4.96	179.8°	7.58

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