NEMO — ORC Rating | RegattaPages

GPH

714.8

OSN

693

LOA

9.34 m

Displacement

4466 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6291

Medium

0.8634

High

1.0218

Triple Offshore

Low

0.8126

Medium

1.07

High

1.2188

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.63 m
Displacement: 4466 kg
Crew weight: 500 kg
Wetted surface: 21.38 m²

Sails

Mainsail: 20.14 m²
Genoa: 31.29 m²
Spinnaker: 61.29 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.

6,44.1,4.038287,52,4.49,60,4.78,75,4.99,90,4.94,110,4.87,120,4.74,135,4.32,147.4,3.798434,150,3.69
8,42.3,4.705048,52,5.31,60,5.63,75,5.88,90,5.84,110,5.92,120,5.77,135,5.29,150,4.66,151,4.61915
10,42.6,5.325384,52,5.94,60,6.2,75,6.38,90,6.45,110,6.55,120,6.47,135,6.14,150,5.49,152.9,5.358269
12,41.9,5.790586,52,6.32,60,6.5,75,6.66,90,6.79,110,6.9,120,6.84,135,6.62,150,6.21,157,5.9098
14,40.6,6.005758,52,6.53,60,6.69,75,6.86,90,7.01,110,7.2,120,7.15,135,6.94,150,6.63,180,6.05
16,40,6.083198,52,6.64,60,6.82,75,7.03,90,7.14,110,7.51,120,7.48,135,7.24,150,6.92,180,6.51
20,40,6.135414,52,6.7,60,6.92,75,7.29,90,7.51,110,7.97,120,8.11,135,7.9,150,7.51,180,7.08

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.49	4.78	4.99	4.94	4.87	4.74	4.32	3.69
8	5.31	5.63	5.88	5.84	5.92	5.77	5.29	4.66
10	5.94	6.2	6.38	6.45	6.55	6.47	6.14	5.49
12	6.32	6.5	6.66	6.79	6.9	6.84	6.62	6.21
14	6.53	6.69	6.86	7.01	7.2	7.15	6.94	6.63
16	6.64	6.82	7.03	7.14	7.51	7.48	7.24	6.92
20	6.7	6.92	7.29	7.51	7.97	8.11	7.9	7.51

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	2.9	147.4°	3.2
8	42.3°	3.48	151°	4.04
10	42.6°	3.92	152.9°	4.77
12	41.9°	4.31	157°	5.44
14	40.6°	4.56	180°	6.05
16	40°	4.66	180°	6.51
20	40°	4.7	180°	7.08

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