NADA — ORC Rating | RegattaPages

GPH

728.7

OSN

707.2

LOA

8.32 m

Displacement

2214 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6331

Medium

0.8575

High

0.9797

Triple Offshore

Low

0.8119

Medium

1.0435

High

1.1682

Boat Specifications

Dimensions

Length overall: 8.32 m
Beam: 3 m
Draft: 1.51 m
Displacement: 2214 kg
Crew weight: 300 kg
Wetted surface: 14.87 m²

Sails

Mainsail: 14.68 m²
Genoa: 26.81 m²
Spinnaker: 47.45 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 2800
Builder: DUFOUR SA
Designer: M. DUFOUR
Year built: 1976

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.

6,42.6,4.048379,52,4.53,60,4.78,75,4.98,90,4.92,110,4.79,120,4.67,135,4.27,148.3,3.725856,150,3.66
8,41.5,4.726581,52,5.33,60,5.57,75,5.73,90,5.73,110,5.75,120,5.65,135,5.22,150,4.59,151.7,4.520275
10,41.3,5.324359,52,5.81,60,5.96,75,6.08,90,6.13,110,6.22,120,6.16,135,5.93,150,5.42,152.6,5.305157
12,39.4,5.564661,52,6.05,60,6.18,75,6.31,90,6.44,110,6.58,120,6.53,135,6.31,150,5.99,166.5,5.512305
14,38.7,5.663542,52,6.19,60,6.35,75,6.54,90,6.68,110,6.95,120,6.9,135,6.66,150,6.33,180,5.89
16,38.5,5.711671,52,6.25,60,6.45,75,6.74,90,6.85,110,7.28,120,7.27,135,7.03,150,6.65,180,6.23
20,39.5,5.715214,52,6.25,60,6.49,75,6.93,90,7.26,110,7.7,120,7.95,135,7.8,150,7.34,180,6.86

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.53	4.78	4.98	4.92	4.79	4.67	4.27	3.66
8	5.33	5.57	5.73	5.73	5.75	5.65	5.22	4.59
10	5.81	5.96	6.08	6.13	6.22	6.16	5.93	5.42
12	6.05	6.18	6.31	6.44	6.58	6.53	6.31	5.99
14	6.19	6.35	6.54	6.68	6.95	6.9	6.66	6.33
16	6.25	6.45	6.74	6.85	7.28	7.27	7.03	6.65
20	6.25	6.49	6.93	7.26	7.7	7.95	7.8	7.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	2.98	148.3°	3.17
8	41.5°	3.54	151.7°	3.98
10	41.3°	4	152.6°	4.71
12	39.4°	4.3	166.5°	5.36
14	38.7°	4.42	180°	5.89
16	38.5°	4.47	180°	6.23
20	39.5°	4.41	180°	6.86

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