MARA — ORC Rating | RegattaPages

GPH

780.4

OSN

752

LOA

8.995 m

Displacement

4538 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5658

Medium

0.7977

High

0.9604

Triple Offshore

Low

0.7298

Medium

0.9861

High

1.1401

Boat Specifications

Dimensions

Length overall: 8.995 m
Beam: 3.22 m
Draft: 1.83 m
Displacement: 4538 kg
Crew weight: 450 kg
Wetted surface: 20.32 m²

Sails

Mainsail: 18.4 m²
Genoa: 32.52 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: NEREIS 30
Builder: AKROPRORO
Designer: VAN DE STADT
Year built: 1981

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.

6,43.3,3.792393,52,4.21,60,4.44,75,4.63,90,4.59,110,4.28,120,4.01,135,3.54,150,3.07,156.2,2.907232
8,41.5,4.432839,52,4.98,60,5.24,75,5.46,90,5.42,110,5.15,120,4.88,135,4.45,150,3.97,164.1,3.628834
10,41.4,4.985928,52,5.63,60,5.89,75,6.07,90,6.06,110,5.9,120,5.65,135,5.18,150,4.71,170.6,4.277437
12,41.7,5.518068,52,6.05,60,6.22,75,6.37,90,6.39,110,6.32,120,6.19,135,5.86,150,5.37,173,4.886423
14,40.5,5.733779,52,6.26,60,6.41,75,6.57,90,6.65,110,6.58,120,6.49,135,6.28,150,5.96,173.2,5.48861
16,39.7,5.809725,52,6.36,60,6.54,75,6.73,90,6.87,110,6.82,120,6.73,135,6.54,150,6.32,176.8,5.979323
20,39.5,5.844811,52,6.42,60,6.62,75,6.95,90,7.21,110,7.3,120,7.22,135,7.01,150,6.79,179.1,6.560809

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.21	4.44	4.63	4.59	4.28	4.01	3.54	3.07
8	4.98	5.24	5.46	5.42	5.15	4.88	4.45	3.97
10	5.63	5.89	6.07	6.06	5.9	5.65	5.18	4.71
12	6.05	6.22	6.37	6.39	6.32	6.19	5.86	5.37
14	6.26	6.41	6.57	6.65	6.58	6.49	6.28	5.96
16	6.36	6.54	6.73	6.87	6.82	6.73	6.54	6.32
20	6.42	6.62	6.95	7.21	7.3	7.22	7.01	6.79

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.3°	2.76	156.2°	2.66
8	41.5°	3.32	164.1°	3.49
10	41.4°	3.74	170.6°	4.22
12	41.7°	4.12	173°	4.85
14	40.5°	4.36	173.2°	5.45
16	39.7°	4.47	176.8°	5.97
20	39.5°	4.51	179.1°	6.56

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