NN — ORC Rating | RegattaPages

GPH

610.2

OSN

597.6

LOA

7.99 m

Displacement

1546 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7715

Medium

0.9888

High

1.136

Triple Offshore

Low

0.994

Medium

1.2291

High

1.401

Boat Specifications

Dimensions

Length overall: 7.99 m
Beam: 2.54 m
Draft: 1.96 m
Displacement: 1546 kg
Crew weight: 496 kg
Wetted surface: 15.94 m²

Sails

Mainsail: 25.08 m²
Genoa: 18.25 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 78.11 m²

Design

Type: Seascape 27
Builder: ISSA
Designer: Sam Manuard
Year built: 2012

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.

6,43.1,5.14954,52,5.76,60,6.1,75,6.36,90,6.36,110,5.89,120,5.73,135,5.07,144.2,4.574239,150,4.29
8,40.1,5.869884,52,6.5,60,6.7,75,6.93,90,6.91,110,6.8,120,6.7,135,6.29,147.5,5.537168,150,5.4
10,37.9,6.057656,52,6.7,60,6.92,75,7.29,90,7.47,110,7.48,120,7.4,135,6.96,149.4,6.354982,150,6.31
12,36.9,6.177435,52,6.82,60,7.07,75,7.52,90,7.9,110,8.08,120,8.23,135,7.67,150,6.882015
14,36.4,6.224424,52,6.91,60,7.19,75,7.72,90,8.18,110,8.94,120,8.88,135,8.56,146.4,7.743829,150,7.44
16,36.3,6.24125,52,6.95,60,7.26,75,7.88,90,8.43,110,9.44,120,9.54,135,9.61,144.1,8.802017,150,8.23
20,36.6,6.315259,52,7.08,60,7.45,75,8.02,90,8.87,110,10.18,120,11.03,135,12.6,139.5,12.230309,150,10.74

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.76	6.1	6.36	6.36	5.89	5.73	5.07	4.29
8	6.5	6.7	6.93	6.91	6.8	6.7	6.29	5.4
10	6.7	6.92	7.29	7.47	7.48	7.4	6.96	6.31
12	6.82	7.07	7.52	7.9	8.08	8.23	7.67	6.89
14	6.91	7.19	7.72	8.18	8.94	8.88	8.56	7.44
16	6.95	7.26	7.88	8.43	9.44	9.54	9.61	8.23
20	7.08	7.45	8.02	8.87	10.18	11.03	12.6	10.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.76	144.2°	3.71
8	40.1°	4.49	147.5°	4.67
10	37.9°	4.78	149.4°	5.47
12	36.9°	4.94	150°	5.96
14	36.4°	5.01	146.4°	6.45
16	36.3°	5.03	144.1°	7.13
20	36.6°	5.07	139.5°	9.3

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