MAR CLARA UNO — ORC Rating

GPH

661.9

OSN

642.2

LOA

9.61 m

Displacement

3712 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6166

Medium

0.8267

High

0.9334

Triple Offshore

Low

0.7923

Medium

1.0243

High

1.1393

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.92 m
Displacement: 3712 kg
Crew weight: 300 kg
Wetted surface: 21.3 m²

Sails

Mainsail: 26.52 m²
Genoa: 31.08 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 70.7 m²

Design

Type: FIRST 31.7
Builder: BENETEAU
Designer: FINOT
Year built: 1998
Stability index: 120.5

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.

6,43.2,4.499508,52,5,60,5.26,75,5.44,90,5.33,110,5.3,120,5.14,135,4.61,144.8,4.148591,150,3.91
8,41.2,5.302925,52,5.92,60,6.15,75,6.32,90,6.26,110,6.4,120,6.26,135,5.77,146.9,5.180737,150,5.01
10,39.6,5.801328,52,6.46,60,6.66,75,6.81,90,6.86,110,7.02,120,6.95,135,6.62,147.6,6.063995,150,5.91
12,38.8,6.03076,52,6.73,60,6.92,75,7.1,90,7.18,110,7.45,120,7.41,135,7.14,148.2,6.67143,150,6.54
14,38.4,6.124844,52,6.84,60,7.05,75,7.31,90,7.43,110,7.83,120,7.86,135,7.59,150,6.95,150.1,6.94431
16,38.4,6.188644,52,6.9,60,7.12,75,7.46,90,7.67,110,8.15,120,8.28,135,8.05,150,7.27,173,6.579039
20,38.8,6.223231,52,6.94,60,7.19,75,7.61,90,8.03,110,8.57,120,9.14,135,9.11,150,7.95,176.3,7.295206

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5	5.26	5.44	5.33	5.3	5.14	4.61	3.91
8	5.92	6.15	6.32	6.26	6.4	6.26	5.77	5.01
10	6.46	6.66	6.81	6.86	7.02	6.95	6.62	5.91
12	6.73	6.92	7.1	7.18	7.45	7.41	7.14	6.54
14	6.84	7.05	7.31	7.43	7.83	7.86	7.59	6.95
16	6.9	7.12	7.46	7.67	8.15	8.28	8.05	7.27
20	6.94	7.19	7.61	8.03	8.57	9.14	9.11	7.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.28	144.8°	3.39
8	41.2°	3.99	146.9°	4.34
10	39.6°	4.47	147.6°	5.12
12	38.8°	4.7	148.2°	5.67
14	38.4°	4.8	150.1°	6.02
16	38.4°	4.85	173°	6.53
20	38.8°	4.85	176.3°	7.28

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