TATTOO — ORC Rating | RegattaPages

GPH

649.2

OSN

626.7

LOA

11.818 m

Displacement

8164 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.601

Medium

0.8401

High

0.9877

Triple Offshore

Low

0.7805

Medium

1.0553

High

1.2118

Boat Specifications

Dimensions

Length overall: 11.818 m
Beam: 4 m
Draft: 1.98 m
Displacement: 8164 kg
Crew weight: 500 kg
Wetted surface: 35.08 m²

Sails

Mainsail: 36.66 m²
Genoa: 44.35 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 97 m²

Design

Type: Dufour 405 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.

6,45.8,4.389204,52,4.79,60,5.13,75,5.37,90,5.27,110,5.35,120,5.19,135,4.67,144.4,4.218419,150,3.96
8,44,5.26872,52,5.81,60,6.13,75,6.37,90,6.41,110,6.56,120,6.39,135,5.87,146.8,5.270301,150,5.09
10,42.7,5.919055,52,6.54,60,6.84,75,7.06,90,7.22,110,7.37,120,7.25,135,6.82,147.2,6.210097,150,6.03
12,41.4,6.385721,52,7.06,60,7.3,75,7.49,90,7.71,110,7.86,120,7.78,135,7.47,147.5,6.936281,150,6.76
14,40.3,6.673936,52,7.38,60,7.59,75,7.79,90,8.03,110,8.25,120,8.2,135,7.92,148.4,7.373255,150,7.26
16,39.9,6.817307,52,7.56,60,7.78,75,8.02,90,8.25,110,8.62,120,8.6,135,8.32,150,7.62,170,6.772896
20,40.9,6.972251,52,7.64,60,7.9,75,8.33,90,8.56,110,9.24,120,9.39,135,9.11,150,8.21,175.8,7.590384
24,42.5,6.98516,52,7.62,60,7.93,75,8.45,90,8.89,110,9.74,120,10.23,135,10.04,150,8.81,176.3,8.187065

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.79	5.13	5.37	5.27	5.35	5.19	4.67	3.96
8	5.81	6.13	6.37	6.41	6.56	6.39	5.87	5.09
10	6.54	6.84	7.06	7.22	7.37	7.25	6.82	6.03
12	7.06	7.3	7.49	7.71	7.86	7.78	7.47	6.76
14	7.38	7.59	7.79	8.03	8.25	8.2	7.92	7.26
16	7.56	7.78	8.02	8.25	8.62	8.6	8.32	7.62
20	7.64	7.9	8.33	8.56	9.24	9.39	9.11	8.21
24	7.62	7.93	8.45	8.89	9.74	10.23	10.04	8.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	3.06	144.4°	3.43
8	44°	3.79	146.8°	4.41
10	42.7°	4.35	147.2°	5.22
12	41.4°	4.79	147.5°	5.85
14	40.3°	5.09	148.4°	6.28
16	39.9°	5.23	170°	6.67
20	40.9°	5.27	175.8°	7.57
24	42.5°	5.15	176.3°	8.17

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