TETRIS — ORC Rating | RegattaPages

GPH

608.8

OSN

585.7

LOA

14.75 m

Displacement

15246 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6174

Medium

0.8913

High

1.0976

Triple Offshore

Low

0.8089

Medium

1.1329

High

1.3514

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: 52.39 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

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.

6,46.6,4.409919,52,4.78,60,5.13,75,5.37,90,5.65,110,5.74,120,5.56,135,4.96,143.1,4.526784,150,4.18
8,45.2,5.463828,52,5.96,60,6.33,75,6.57,90,6.98,110,7.12,120,6.92,135,6.3,146.2,5.643908,150,5.41
10,43.6,6.200186,52,6.84,60,7.2,75,7.45,90,7.96,110,8.13,120,7.96,135,7.39,147.3,6.654698,150,6.47
12,42.5,6.795272,52,7.52,60,7.85,75,8.1,90,8.6,110,8.75,120,8.64,135,8.22,147.6,7.532618,150,7.35
14,41.4,7.265591,52,8.03,60,8.3,75,8.53,90,9.02,110,9.2,120,9.12,135,8.78,148,8.183498,150,8.01
16,40.3,7.61799,52,8.39,60,8.62,75,8.84,90,9.32,110,9.63,120,9.56,135,9.21,149.1,8.542477,150,8.46
20,39.8,8.017873,52,8.8,60,9.05,75,9.34,90,9.65,110,10.44,120,10.46,135,10.08,150,9.13,174.1,8.334148
24,40.4,8.115153,52,8.91,60,9.24,75,9.74,90,9.92,110,11.05,120,11.53,135,11.08,150,9.77,176.3,9.03884

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.13	5.37	5.65	5.74	5.56	4.96	4.18
8	5.96	6.33	6.57	6.98	7.12	6.92	6.3	5.41
10	6.84	7.2	7.45	7.96	8.13	7.96	7.39	6.47
12	7.52	7.85	8.1	8.6	8.75	8.64	8.22	7.35
14	8.03	8.3	8.53	9.02	9.2	9.12	8.78	8.01
16	8.39	8.62	8.84	9.32	9.63	9.56	9.21	8.46
20	8.8	9.05	9.34	9.65	10.44	10.46	10.08	9.13
24	8.91	9.24	9.74	9.92	11.05	11.53	11.08	9.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.6°	3.03	143.1°	3.62
8	45.2°	3.85	146.2°	4.69
10	43.6°	4.49	147.3°	5.6
12	42.5°	5.01	147.6°	6.36
14	41.4°	5.45	148°	6.94
16	40.3°	5.81	149.1°	7.33
20	39.8°	6.16	174.1°	8.29
24	40.4°	6.18	176.3°	9.02

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