DONNA BEATRICE III — ORC Rating

GPH

617.8

OSN

599.3

LOA

9.95 m

Displacement

3568 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6686

Medium

0.8904

High

1.0009

Triple Offshore

Low

0.8574

Medium

1.0925

High

1.215

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 1.97 m
Displacement: 3568 kg
Crew weight: 440 kg
Wetted surface: 21.75 m²

Sails

Mainsail: 33.27 m²
Genoa: 25.88 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 92.62 m²

Design

Type: J-99
Builder: J Composites
Designer: J Boats
Year built: 2018

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.

6,43.3,4.740491,52,5.26,60,5.54,75,5.72,90,5.82,110,5.9,120,5.75,135,5.19,143.8,4.721422,150,4.4
8,41,5.591555,52,6.23,60,6.46,75,6.61,90,6.81,110,6.94,120,6.83,135,6.38,147.7,5.690544,150,5.55
10,39.1,6.14654,52,6.79,60,6.96,75,7.09,90,7.25,110,7.48,120,7.43,135,7.11,149.4,6.517632,150,6.47
12,37.9,6.399825,52,7.06,60,7.23,75,7.41,90,7.47,110,7.89,120,7.92,135,7.63,150,7.05,150.1,7.048129
14,37.4,6.495349,52,7.19,60,7.4,75,7.64,90,7.75,110,8.22,120,8.4,135,8.15,149.9,7.443784,150,7.43
16,37.3,6.574701,52,7.27,60,7.49,75,7.82,90,8.02,110,8.48,120,8.89,135,8.72,150,7.79,174.3,6.974485
20,37.6,6.638986,52,7.34,60,7.59,75,8.03,90,8.46,110,8.99,120,9.7,135,10.4,150,8.57,175.5,7.72381
24,39.1,6.661973,52,7.33,60,7.6,75,8.12,90,8.75,110,9.44,120,10.66,135,13.25,141.2,13.190683,150,11.87

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.26	5.54	5.72	5.82	5.9	5.75	5.19	4.4
8	6.23	6.46	6.61	6.81	6.94	6.83	6.38	5.55
10	6.79	6.96	7.09	7.25	7.48	7.43	7.11	6.47
12	7.06	7.23	7.41	7.47	7.89	7.92	7.63	7.05
14	7.19	7.4	7.64	7.75	8.22	8.4	8.15	7.43
16	7.27	7.49	7.82	8.02	8.48	8.89	8.72	7.79
20	7.34	7.59	8.03	8.46	8.99	9.7	10.4	8.57
24	7.33	7.6	8.12	8.75	9.44	10.66	13.25	11.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.3°	3.45	143.8°	3.81
8	41°	4.22	147.7°	4.81
10	39.1°	4.77	149.4°	5.61
12	37.9°	5.05	150.1°	6.11
14	37.4°	5.16	149.9°	6.44
16	37.3°	5.23	174.3°	6.94
20	37.6°	5.26	175.5°	7.7
24	39.1°	5.17	141.2°	10.28

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