RESSAKA — ORC Rating | RegattaPages

GPH

687.3

OSN

665.4

LOA

7.785 m

Displacement

1536 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5957

Medium

0.8093

High

0.9248

Triple Offshore

Low

0.766

Medium

0.9819

High

1.1097

Boat Specifications

Dimensions

Length overall: 7.785 m
Beam: 2.5 m
Draft: 1.84 m
Displacement: 1536 kg
Crew weight: 420 kg
Wetted surface: 13.67 m²

Sails

Mainsail: 21.63 m²
Genoa: 14.94 m²
Spinnaker: 42.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST CLASS 8
Builder: BENETEAU
Designer: FINOT
Year built: 1982
Stability index: 99.9

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.

6,41.8,4.279145,52,4.81,60,5.05,75,5.22,90,5.25,110,5.23,120,5.06,135,4.56,146,3.968457,150,3.79
8,40.2,5.02752,52,5.65,60,5.84,75,5.97,90,6.1,110,6.12,120,6,135,5.54,150,4.8,150.7,4.770263
10,38.4,5.53788,52,6.08,60,6.21,75,6.32,90,6.52,110,6.6,120,6.49,135,6.19,150,5.67,152.9,5.538002
12,36.4,5.739888,52,6.31,60,6.46,75,6.63,90,6.83,110,7.11,120,7,135,6.62,150,6.24,162.8,5.862166
14,35.8,5.807188,52,6.42,60,6.63,75,6.93,90,7.03,110,7.61,120,7.54,135,7.11,150,6.64,177.5,6.13584
16,35.8,5.844176,52,6.47,60,6.71,75,7.14,90,7.4,110,7.97,120,8.15,135,7.65,150,7.1,179,6.510992
20,36,5.883684,52,6.52,60,6.77,75,7.3,90,7.91,110,8.55,120,9.27,135,9.16,150,8.19,177.2,7.368797

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.81	5.05	5.22	5.25	5.23	5.06	4.56	3.79
8	5.65	5.84	5.97	6.1	6.12	6	5.54	4.8
10	6.08	6.21	6.32	6.52	6.6	6.49	6.19	5.67
12	6.31	6.46	6.63	6.83	7.11	7	6.62	6.24
14	6.42	6.63	6.93	7.03	7.61	7.54	7.11	6.64
16	6.47	6.71	7.14	7.4	7.97	8.15	7.65	7.1
20	6.52	6.77	7.3	7.91	8.55	9.27	9.16	8.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.19	146°	3.29
8	40.2°	3.84	150.7°	4.16
10	38.4°	4.34	152.9°	4.93
12	36.4°	4.62	162.8°	5.6
14	35.8°	4.71	177.5°	6.13
16	35.8°	4.74	179°	6.51
20	36°	4.76	177.2°	7.36

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