ALBA ALBA — ORC Rating

GPH

610.7

OSN

595.2

LOA

12.06 m

Displacement

7755 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7506

Medium

1.0041

High

1.1489

Triple Offshore

Low

0.9703

Medium

1.2467

High

1.3814

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.06 m
Displacement: 7755 kg
Crew weight: 150 kg
Wetted surface: 32.03 m²

Sails

Mainsail: 48.02 m²
Genoa: 44.59 m²
Spinnaker: 106.05 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 40
Builder: DUFOUR
Designer: FELCI
Year built: 2003

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.

6,43,4.881359,52,5.44,60,5.74,75,5.99,90,5.94,110,5.75,120,5.6,135,5.07,144.7,4.533549,150,4.27
8,41.4,5.705822,52,6.43,60,6.76,75,7,90,6.99,110,6.98,120,6.82,135,6.24,149.3,5.419536,150,5.38
10,41.7,6.348456,52,7.06,60,7.32,75,7.51,90,7.55,110,7.65,120,7.57,135,7.19,150,6.37,150.2,6.349642
12,41.2,6.605398,52,7.31,60,7.56,75,7.77,90,7.86,110,8.01,120,7.98,135,7.73,150,7.21,155.1,6.934614
14,40.8,6.710744,52,7.42,60,7.66,75,7.94,90,8.1,110,8.24,120,8.35,135,8.1,150,7.71,169.1,7.057323
16,40.6,6.743308,52,7.47,60,7.71,75,8.04,90,8.31,110,8.44,120,8.71,135,8.51,150,8.06,180,7.5
20,40.6,6.822331,52,7.52,60,7.74,75,8.13,90,8.61,110,8.78,120,9.13,135,9.38,150,8.85,180,8.23

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.44	5.74	5.99	5.94	5.75	5.6	5.07	4.27
8	6.43	6.76	7	6.99	6.98	6.82	6.24	5.38
10	7.06	7.32	7.51	7.55	7.65	7.57	7.19	6.37
12	7.31	7.56	7.77	7.86	8.01	7.98	7.73	7.21
14	7.42	7.66	7.94	8.1	8.24	8.35	8.1	7.71
16	7.47	7.71	8.04	8.31	8.44	8.71	8.51	8.06
20	7.52	7.74	8.13	8.61	8.78	9.13	9.38	8.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.57	144.7°	3.7
8	41.4°	4.28	149.3°	4.66
10	41.7°	4.74	150.2°	5.51
12	41.2°	4.97	155.1°	6.29
14	40.8°	5.08	169.1°	6.93
16	40.6°	5.12	180°	7.5
20	40.6°	5.18	180°	8.23

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