ROZA II — ORC Rating | RegattaPages

GPH

665.2

OSN

643.4

LOA

12.01 m

Displacement

8392 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5924

Medium

0.8235

High

0.9769

Triple Offshore

Low

0.7669

Medium

1.027

High

1.1717

Boat Specifications

Dimensions

Length overall: 12.01 m
Beam: 3.94 m
Draft: 2.2 m
Displacement: 8392 kg
Crew weight: 340 kg
Wetted surface: 32 m²

Sails

Mainsail: 35.9 m²
Genoa: 49.48 m²
Spinnaker: 82.98 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 405
Builder: BENETEAU
Designer: BERRET JEAN
Year built: 1987

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.

6,43.5,4.301227,52,4.82,60,5.11,75,5.36,90,5.31,110,5.1,120,4.95,135,4.48,146.5,3.933392,150,3.79
8,42,5.126861,52,5.74,60,6.05,75,6.33,90,6.29,110,6.24,120,6.07,135,5.54,150,4.849742
10,41.2,5.741513,52,6.49,60,6.78,75,6.99,90,7.01,110,7.08,120,6.98,135,6.49,150,5.75,153,5.600408
12,42,6.324474,52,6.93,60,7.15,75,7.33,90,7.37,110,7.5,120,7.45,135,7.16,150,6.55,154,6.364083
14,40.9,6.509198,52,7.14,60,7.34,75,7.54,90,7.61,110,7.82,120,7.78,135,7.54,150,7.16,166,6.585621
16,40.1,6.562766,52,7.23,60,7.45,75,7.7,90,7.82,110,8.12,120,8.09,135,7.86,150,7.52,180,6.99
20,40.1,6.615059,52,7.29,60,7.53,75,7.9,90,8.19,110,8.49,120,8.73,135,8.54,150,8.13,180,7.69

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.82	5.11	5.36	5.31	5.1	4.95	4.48	3.79
8	5.74	6.05	6.33	6.29	6.24	6.07	5.54	4.85
10	6.49	6.78	6.99	7.01	7.08	6.98	6.49	5.75
12	6.93	7.15	7.33	7.37	7.5	7.45	7.16	6.55
14	7.14	7.34	7.54	7.61	7.82	7.78	7.54	7.16
16	7.23	7.45	7.7	7.82	8.12	8.09	7.86	7.52
20	7.29	7.53	7.9	8.19	8.49	8.73	8.54	8.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.12	146.5°	3.28
8	42°	3.81	150°	4.2
10	41.2°	4.32	153°	4.99
12	42°	4.7	154°	5.72
14	40.9°	4.92	166°	6.39
16	40.1°	5.02	180°	6.99
20	40.1°	5.06	180°	7.69

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