TATTOO — ORC Rating | RegattaPages

GPH

636.8

OSN

616.2

LOA

11.9 m

Displacement

8990 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6175

Medium

0.8544

High

1.0234

Triple Offshore

Low

0.8006

Medium

1.0709

High

1.2397

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: 33.02 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
Stability index: 135.1

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.

6,44.8,4.397025,52,4.87,60,5.2,75,5.46,90,5.43,110,5.54,120,5.4,135,4.88,144.8,4.405583,150,4.16
8,42.9,5.214712,52,5.81,60,6.15,75,6.43,90,6.58,110,6.75,120,6.59,135,6.04,147.5,5.394885,150,5.25
10,42,5.853502,52,6.59,60,6.92,75,7.15,90,7.39,110,7.51,120,7.42,135,7.03,147.1,6.383841,150,6.19
12,42,6.48595,52,7.14,60,7.36,75,7.53,90,7.81,110,7.92,120,7.85,135,7.6,148,7.110446,150,6.97
14,40,6.814226,52,7.46,60,7.63,75,7.78,90,8.1,110,8.28,120,8.22,135,7.97,149.8,7.428193,150,7.42
16,38.8,7.018778,52,7.66,60,7.83,75,8,90,8.36,110,8.67,120,8.62,135,8.33,150,7.71,169.4,6.928228
20,37.8,7.175807,52,7.86,60,8.1,75,8.41,90,8.79,110,9.36,120,9.46,135,9.14,150,8.22,176.3,7.655958

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.2	5.46	5.43	5.54	5.4	4.88	4.16
8	5.81	6.15	6.43	6.58	6.75	6.59	6.04	5.25
10	6.59	6.92	7.15	7.39	7.51	7.42	7.03	6.19
12	7.14	7.36	7.53	7.81	7.92	7.85	7.6	6.97
14	7.46	7.63	7.78	8.1	8.28	8.22	7.97	7.42
16	7.66	7.83	8	8.36	8.67	8.62	8.33	7.71
20	7.86	8.1	8.41	8.79	9.36	9.46	9.14	8.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	3.12	144.8°	3.6
8	42.9°	3.82	147.5°	4.55
10	42°	4.35	147.1°	5.36
12	42°	4.82	148°	6.03
14	40°	5.22	149.8°	6.42
16	38.8°	5.47	169.4°	6.81
20	37.8°	5.67	176.3°	7.64

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