AVA — ORC Rating | RegattaPages

GPH

669.6

OSN

646.9

LOA

9.85 m

Displacement

3764 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6002

Medium

0.8283

High

0.958

Triple Offshore

Low

0.7732

Medium

1.0169

High

1.1434

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3764 kg
Crew weight: 540 kg
Wetted surface: 22.05 m²

Sails

Mainsail: 25.64 m²
Genoa: 29.06 m²
Spinnaker: 61.43 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7 LR
Designer: Groupe 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.

6,43.5,4.480445,52,4.95,60,5.21,75,5.35,90,5.22,110,5.13,120,4.96,135,4.43,145.2,3.933512,150,3.73
8,41.2,5.263054,52,5.86,60,6.1,75,6.25,90,6.17,110,6.24,120,6.07,135,5.53,149.2,4.843067,150,4.8
10,39.5,5.780013,52,6.42,60,6.6,75,6.75,90,6.77,110,6.89,120,6.79,135,6.4,150,5.73,152,5.628873
12,38.4,6.086564,52,6.73,60,6.9,75,7.05,90,7.11,110,7.3,120,7.23,135,6.94,150,6.47,157.2,6.161435
14,37.9,6.197058,52,6.88,60,7.06,75,7.28,90,7.35,110,7.66,120,7.62,135,7.34,150,6.96,168.2,6.415578
16,37.8,6.251938,52,6.94,60,7.14,75,7.45,90,7.6,110,7.97,120,8,135,7.74,150,7.33,177.2,6.788104
20,38.1,6.290227,52,6.98,60,7.21,75,7.61,90,7.98,110,8.37,120,8.73,135,8.58,150,8.07,178.1,7.504126
24,39.2,6.258513,52,6.96,60,7.21,75,7.7,90,8.18,110,8.66,120,9.27,135,9.77,150,8.96,178.1,8.204511

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.95	5.21	5.35	5.22	5.13	4.96	4.43	3.73
8	5.86	6.1	6.25	6.17	6.24	6.07	5.53	4.8
10	6.42	6.6	6.75	6.77	6.89	6.79	6.4	5.73
12	6.73	6.9	7.05	7.11	7.3	7.23	6.94	6.47
14	6.88	7.06	7.28	7.35	7.66	7.62	7.34	6.96
16	6.94	7.14	7.45	7.6	7.97	8	7.74	7.33
20	6.98	7.21	7.61	7.98	8.37	8.73	8.58	8.07
24	6.96	7.21	7.7	8.18	8.66	9.27	9.77	8.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.25	145.2°	3.23
8	41.2°	3.96	149.2°	4.16
10	39.5°	4.46	152°	4.97
12	38.4°	4.77	157.2°	5.68
14	37.9°	4.89	168.2°	6.28
16	37.8°	4.94	177.2°	6.78
20	38.1°	4.95	178.1°	7.5
24	39.2°	4.85	178.1°	8.2

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