KOUZINI — ORC Rating | RegattaPages

GPH

741.2

OSN

715.5

LOA

9.34 m

Displacement

3300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5858

Medium

0.8295

High

0.9932

Triple Offshore

Low

0.7643

Medium

1.0414

High

1.204

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.53 m
Displacement: 3300 kg
Crew weight: 450 kg
Wetted surface: 19.37 m²

Sails

Mainsail: 19.4 m²
Genoa: 26.22 m²
Spinnaker: 62.94 m²
Asymmetric spinnaker: 0 m²

Design

Type: ATLANTIC 31
Builder: ATLANTIC
Designer: JACOPIN & JACOPIN
Year built: 1993

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.

6,46.5,3.719014,52,4.05,60,4.38,75,4.61,90,4.63,110,4.77,120,4.63,135,4.19,147.1,3.692147,150,3.57
8,45.5,4.522697,52,4.96,60,5.31,75,5.57,90,5.7,110,5.89,120,5.74,135,5.24,149.9,4.588792,150,4.58
10,44.5,5.103397,52,5.63,60,5.98,75,6.23,90,6.43,110,6.57,120,6.49,135,6.14,150,5.47,151.5,5.393614
12,43.9,5.606819,52,6.13,60,6.38,75,6.57,90,6.78,110,6.97,120,6.91,135,6.66,150,6.22,156.2,5.945617
14,42.2,5.858495,52,6.41,60,6.62,75,6.81,90,6.96,110,7.34,120,7.31,135,7.04,150,6.67,174.9,6.084087
16,42.1,5.984022,52,6.54,60,6.76,75,7.02,90,7.13,110,7.67,120,7.7,135,7.43,150,7.02,180,6.55
20,43.1,6.039753,52,6.56,60,6.83,75,7.29,90,7.58,110,8.07,120,8.43,135,8.24,150,7.74,180,7.22

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.05	4.38	4.61	4.63	4.77	4.63	4.19	3.57
8	4.96	5.31	5.57	5.7	5.89	5.74	5.24	4.58
10	5.63	5.98	6.23	6.43	6.57	6.49	6.14	5.47
12	6.13	6.38	6.57	6.78	6.97	6.91	6.66	6.22
14	6.41	6.62	6.81	6.96	7.34	7.31	7.04	6.67
16	6.54	6.76	7.02	7.13	7.67	7.7	7.43	7.02
20	6.56	6.83	7.29	7.58	8.07	8.43	8.24	7.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.5°	2.56	147.1°	3.1
8	45.5°	3.17	149.9°	3.97
10	44.5°	3.64	151.5°	4.74
12	43.9°	4.04	156.2°	5.44
14	42.2°	4.34	174.9°	6.06
16	42.1°	4.44	180°	6.55
20	43.1°	4.41	180°	7.22

Loading polar chart…