TETRIS — ORC Rating | RegattaPages

GPH

608.4

OSN

585.2

LOA

14.75 m

Displacement

15246 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6182

Medium

0.8922

High

1.0965

Triple Offshore

Low

0.8097

Medium

1.1337

High

1.3508

Boat Specifications

Dimensions

Length overall: 14.75 m
Beam: 4.8 m
Draft: 2.31 m
Displacement: 15246 kg
Crew weight: 1093 kg
Wetted surface: 52.2 m²

Sails

Mainsail: 53.81 m²
Genoa: 41.89 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 145.96 m²

Design

Type: DUFOUR 512 GL
Builder: Dufour Yachts
Designer: FELCI
Year built: 1993
Stability index: 126.5

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.

6,46.8,4.440892,52,4.78,60,5.14,75,5.37,90,5.65,110,5.74,120,5.56,135,4.96,143.3,4.514979,150,4.18
8,45.1,5.45425,52,5.97,60,6.33,75,6.57,90,6.98,110,7.12,120,6.92,135,6.3,146.6,5.61779,150,5.42
10,43.6,6.200186,52,6.85,60,7.21,75,7.46,90,7.96,110,8.13,120,7.96,135,7.39,147.5,6.651716,150,6.48
12,42.4,6.797974,52,7.53,60,7.86,75,8.1,90,8.6,110,8.75,120,8.65,135,8.22,147.8,7.527832,150,7.36
14,41.2,7.243344,52,8.03,60,8.31,75,8.53,90,9.02,110,9.21,120,9.12,135,8.78,148,8.19529,150,8.02
16,40.2,7.59365,52,8.39,60,8.62,75,8.84,90,9.32,110,9.64,120,9.57,135,9.22,149.2,8.545218,150,8.48
20,40.2,8.01261,52,8.79,60,9.04,75,9.34,90,9.65,110,10.45,120,10.48,135,10.1,150,9.14,174.5,8.348435

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.14	5.37	5.65	5.74	5.56	4.96	4.18
8	5.97	6.33	6.57	6.98	7.12	6.92	6.3	5.42
10	6.85	7.21	7.46	7.96	8.13	7.96	7.39	6.48
12	7.53	7.86	8.1	8.6	8.75	8.65	8.22	7.36
14	8.03	8.31	8.53	9.02	9.21	9.12	8.78	8.02
16	8.39	8.62	8.84	9.32	9.64	9.57	9.22	8.48
20	8.79	9.04	9.34	9.65	10.45	10.48	10.1	9.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.8°	3.04	143.3°	3.62
8	45.1°	3.85	146.6°	4.69
10	43.6°	4.49	147.5°	5.61
12	42.4°	5.02	147.8°	6.37
14	41.2°	5.45	148°	6.95
16	40.2°	5.8	149.2°	7.34
20	40.2°	6.12	174.5°	8.31

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