TATTOO — ORC Rating | RegattaPages

GPH

638.8

OSN

619.3

LOA

11.9 m

Displacement

8990 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.616

Medium

0.849

High

1.02

Triple Offshore

Low

0.8002

Medium

1.0664

High

1.2321

Boat Specifications

Dimensions

Length overall: 11.9 m
Beam: 3.98 m
Draft: 2.07 m
Displacement: 8990 kg
Crew weight: 500 kg
Wetted surface: 33.46 m²

Sails

Mainsail: 36.66 m²
Genoa: 44.35 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 113.15 m²

Design

Type: Dufour405 GL
Builder: Dufour Yachts
Designer: Felci
Year built: 2009

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.

6,45,4.454773,52,4.9,60,5.23,75,5.5,90,5.45,110,5.55,120,5.39,135,4.85,145,4.345958,150,4.11
8,42.8,5.219905,52,5.83,60,6.17,75,6.46,90,6.58,110,6.74,120,6.56,135,5.99,147.5,5.323744,150,5.19
10,42,5.853502,52,6.59,60,6.92,75,7.16,90,7.38,110,7.49,120,7.38,135,6.97,147,6.295678,150,6.1
12,42,6.472493,52,7.13,60,7.36,75,7.54,90,7.79,110,7.89,120,7.81,135,7.55,148,7.016112,150,6.87
14,40.1,6.798084,52,7.45,60,7.63,75,7.78,90,8.08,110,8.23,120,8.16,135,7.91,149.5,7.381366,150,7.35
16,39,7.01284,52,7.64,60,7.82,75,7.99,90,8.29,110,8.6,120,8.53,135,8.24,150,7.66,174.5,6.841497
20,38.1,7.167047,52,7.84,60,8.08,75,8.38,90,8.56,110,9.29,120,9.33,135,8.99,150,8.15,178,7.654663

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.23	5.5	5.45	5.55	5.39	4.85	4.11
8	5.83	6.17	6.46	6.58	6.74	6.56	5.99	5.19
10	6.59	6.92	7.16	7.38	7.49	7.38	6.97	6.1
12	7.13	7.36	7.54	7.79	7.89	7.81	7.55	6.87
14	7.45	7.63	7.78	8.08	8.23	8.16	7.91	7.35
16	7.64	7.82	7.99	8.29	8.6	8.53	8.24	7.66
20	7.84	8.08	8.38	8.56	9.29	9.33	8.99	8.15

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.15	145°	3.56
8	42.8°	3.83	147.5°	4.49
10	42°	4.35	147°	5.28
12	42°	4.81	148°	5.95
14	40.1°	5.2	149.5°	6.36
16	39°	5.45	174.5°	6.81
20	38.1°	5.64	178°	7.65

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