Bella I — ORC Rating | RegattaPages

GPH

680.3

OSN

655.9

LOA

11.2 m

Displacement

7701 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5581

Medium

0.7957

High

0.961

Triple Offshore

Low

0.7317

Medium

1.012

High

1.1861

Boat Specifications

Dimensions

Length overall: 11.2 m
Beam: 4.02 m
Draft: 1.91 m
Displacement: 7701 kg
Crew weight: 732 kg
Wetted surface: 33.51 m²

Sails

Mainsail: 36.54 m²
Genoa: 29.94 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 90.31 m²

Design

Type: Dufour 390
Builder: Dufour Yachts
Designer: Felci
Year built: 2019

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.

6,46.9,3.99547,52,4.31,60,4.65,75,4.88,90,5.14,110,5.22,120,5.02,135,4.49,144.7,4.031183,150,3.8
8,45.6,4.930943,52,5.37,60,5.72,75,5.95,90,6.32,110,6.43,120,6.24,135,5.69,146,5.138488,150,4.92
10,44.2,5.579496,52,6.13,60,6.47,75,6.73,90,7.16,110,7.28,120,7.13,135,6.66,146.6,6.072963,150,5.85
12,43,6.070934,52,6.71,60,7.01,75,7.25,90,7.66,110,7.78,120,7.69,135,7.35,146.8,6.835856,150,6.6
14,41.8,6.438839,52,7.11,60,7.37,75,7.59,90,7.98,110,8.18,120,8.1,135,7.81,147.9,7.283485,150,7.13
16,41,6.664815,52,7.37,60,7.61,75,7.85,90,8.2,110,8.56,120,8.5,135,8.2,150,7.52,170.4,6.693739
20,41,6.797317,52,7.56,60,7.85,75,8.24,90,8.45,110,9.25,120,9.3,135,8.97,150,8.12,175.8,7.54025
24,42.4,6.784432,52,7.53,60,7.87,75,8.43,90,8.81,110,9.67,120,10.23,135,9.86,150,8.71,176.3,8.136961

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.31	4.65	4.88	5.14	5.22	5.02	4.49	3.8
8	5.37	5.72	5.95	6.32	6.43	6.24	5.69	4.92
10	6.13	6.47	6.73	7.16	7.28	7.13	6.66	5.85
12	6.71	7.01	7.25	7.66	7.78	7.69	7.35	6.6
14	7.11	7.37	7.59	7.98	8.18	8.1	7.81	7.13
16	7.37	7.61	7.85	8.2	8.56	8.5	8.2	7.52
20	7.56	7.85	8.24	8.45	9.25	9.3	8.97	8.12
24	7.53	7.87	8.43	8.81	9.67	10.23	9.86	8.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.9°	2.73	144.7°	3.29
8	45.6°	3.45	146°	4.26
10	44.2°	4	146.6°	5.07
12	43°	4.44	146.8°	5.72
14	41.8°	4.8	147.9°	6.17
16	41°	5.03	170.4°	6.6
20	41°	5.13	175.8°	7.52
24	42.4°	5.01	176.3°	8.12

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