MARINA — ORC Rating | RegattaPages

GPH

726

OSN

701.9

LOA

9.34 m

Displacement

4035 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5447

Medium

0.7563

High

0.9007

Triple Offshore

Low

0.7047

Medium

0.9396

High

1.0755

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.59 m
Displacement: 4035 kg
Crew weight: 400 kg
Wetted surface: 20.38 m²

Sails

Mainsail: 17.78 m²
Genoa: 28.12 m²
Spinnaker: 60.97 m²
Asymmetric spinnaker: 0 m²

Design

Type: ATLANTIC 31
Builder: ATLANTIC
Designer: JACOPIN & JACOPIN
Year built: 1990
Stability index: 103.9

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.

6,45.6,3.930462,52,4.3,60,4.59,75,4.8,90,4.74,110,4.85,120,4.72,135,4.3,147.1,3.787428,150,3.68
8,43.6,4.612165,52,5.13,60,5.45,75,5.7,90,5.75,110,5.92,120,5.78,135,5.29,150,4.67,151.1,4.626115
10,43.2,5.199126,52,5.78,60,6.07,75,6.28,90,6.44,110,6.55,120,6.48,135,6.15,150,5.52,152.9,5.391969
12,42.6,5.678599,52,6.22,60,6.42,75,6.58,90,6.78,110,6.91,120,6.86,135,6.64,150,6.24,157.4,5.93581
14,41.1,5.931817,52,6.47,60,6.63,75,6.79,90,6.96,110,7.23,120,7.18,135,6.97,150,6.66,170,6.153485
16,40.5,6.0494,52,6.6,60,6.78,75,6.98,90,7.08,110,7.53,120,7.52,135,7.3,150,6.96,177.2,6.517781
20,40.6,6.097952,52,6.65,60,6.88,75,7.25,90,7.46,110,7.93,120,8.17,135,8,150,7.6,179,7.101082

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.3	4.59	4.8	4.74	4.85	4.72	4.3	3.68
8	5.13	5.45	5.7	5.75	5.92	5.78	5.29	4.67
10	5.78	6.07	6.28	6.44	6.55	6.48	6.15	5.52
12	6.22	6.42	6.58	6.78	6.91	6.86	6.64	6.24
14	6.47	6.63	6.79	6.96	7.23	7.18	6.97	6.66
16	6.6	6.78	6.98	7.08	7.53	7.52	7.3	6.96
20	6.65	6.88	7.25	7.46	7.93	8.17	8	7.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.6°	2.75	147.1°	3.18
8	43.6°	3.34	151.1°	4.05
10	43.2°	3.79	152.9°	4.8
12	42.6°	4.18	157.4°	5.48
14	41.1°	4.47	170°	6.06
16	40.5°	4.6	177.2°	6.51
20	40.6°	4.63	179°	7.1

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