RODAMON DOS — ORC Rating

GPH

655.8

OSN

635.6

LOA

12.1 m

Displacement

8563 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6122

Medium

0.8345

High

0.969

Triple Offshore

Low

0.7898

Medium

1.0376

High

1.1646

Boat Specifications

Dimensions

Length overall: 12.1 m
Beam: 3.92 m
Draft: 1.72 m
Displacement: 8563 kg
Crew weight: 180 kg
Wetted surface: 31.06 m²

Sails

Mainsail: 37.22 m²
Genoa: 40.19 m²
Spinnaker: 96.96 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 405 SK
Builder: BENETEAU
Designer: BERRET
Year built: 1987
Stability index: 128

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.

6,44.7,4.445698,52,4.88,60,5.18,75,5.4,90,5.35,110,5.37,120,5.22,135,4.75,146,4.221763,150,4.04
8,42.6,5.189533,52,5.77,60,6.09,75,6.36,90,6.35,110,6.53,120,6.38,135,5.84,150,5.12,150.5,5.101363
10,42.4,5.809424,52,6.5,60,6.78,75,6.99,90,7.08,110,7.23,120,7.15,135,6.78,150,6.05,152,5.934667
12,43,6.317053,52,6.89,60,7.12,75,7.3,90,7.38,110,7.6,120,7.56,135,7.32,150,6.86,155.6,6.588457
14,42.3,6.476201,52,7.07,60,7.3,75,7.51,90,7.59,110,7.9,120,7.9,135,7.68,150,7.34,166.4,6.821261
16,41.8,6.532739,52,7.16,60,7.39,75,7.67,90,7.81,110,8.12,120,8.23,135,8.02,150,7.67,177.2,7.158546
20,41.7,6.549357,52,7.2,60,7.46,75,7.87,90,8.18,110,8.43,120,8.74,135,8.75,150,8.35,179,7.81119

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.88	5.18	5.4	5.35	5.37	5.22	4.75	4.04
8	5.77	6.09	6.36	6.35	6.53	6.38	5.84	5.12
10	6.5	6.78	6.99	7.08	7.23	7.15	6.78	6.05
12	6.89	7.12	7.3	7.38	7.6	7.56	7.32	6.86
14	7.07	7.3	7.51	7.59	7.9	7.9	7.68	7.34
16	7.16	7.39	7.67	7.81	8.12	8.23	8.02	7.67
20	7.2	7.46	7.87	8.18	8.43	8.74	8.75	8.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	3.16	146°	3.5
8	42.6°	3.82	150.5°	4.44
10	42.4°	4.29	152°	5.24
12	43°	4.62	155.6°	6
14	42.3°	4.79	166.4°	6.63
16	41.8°	4.87	177.2°	7.15
20	41.7°	4.89	179°	7.81

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