Bretanus III — ORC Rating

GPH

683.8

OSN

664.5

LOA

10.32 m

Displacement

6164 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6765

Medium

0.9072

High

1.0451

Triple Offshore

Low

0.8657

Medium

1.1119

High

1.2405

Boat Specifications

Dimensions

Length overall: 10.32 m
Beam: 3.45 m
Draft: 1.87 m
Displacement: 6164 kg
Crew weight: 536 kg
Wetted surface: 24.99 m²

Sails

Mainsail: 34.07 m²
Genoa: 28.3 m²
Spinnaker: 83.7 m²
Asymmetric spinnaker: 0 m²

Design

Type: HR 342
Builder: Hallberg-Rassy
Designer: Frers
Year built: 2008

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.

6,42.3,4.204799,52,4.69,60,4.93,75,5.12,90,5.17,110,5.26,120,5.12,135,4.7,147.3,4.159186,150,4.05
8,40.9,4.868669,52,5.49,60,5.77,75,5.99,90,6.19,110,6.29,120,6.16,135,5.69,150,5.02,152,4.92668
10,41.3,5.497401,52,6.13,60,6.34,75,6.49,90,6.7,110,6.79,120,6.72,135,6.45,150,5.86,152.8,5.734097
12,40.7,5.896053,52,6.46,60,6.62,75,6.76,90,6.95,110,7.1,120,7.05,135,6.84,150,6.5,161,6.102471
14,39.9,6.061276,52,6.63,60,6.79,75,6.96,90,7.06,110,7.41,120,7.37,135,7.15,150,6.85,180,6.37
16,39.5,6.116964,52,6.71,60,6.9,75,7.12,90,7.22,110,7.65,120,7.7,135,7.48,150,7.14,180,6.75
20,40.4,6.18485,52,6.75,60,6.97,75,7.35,90,7.61,110,7.91,120,8.18,135,8.11,150,7.75,180,7.32

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.69	4.93	5.12	5.17	5.26	5.12	4.7	4.05
8	5.49	5.77	5.99	6.19	6.29	6.16	5.69	5.02
10	6.13	6.34	6.49	6.7	6.79	6.72	6.45	5.86
12	6.46	6.62	6.76	6.95	7.1	7.05	6.84	6.5
14	6.63	6.79	6.96	7.06	7.41	7.37	7.15	6.85
16	6.71	6.9	7.12	7.22	7.65	7.7	7.48	7.14
20	6.75	6.97	7.35	7.61	7.91	8.18	8.11	7.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.11	147.3°	3.5
8	40.9°	3.68	152°	4.35
10	41.3°	4.13	152.8°	5.1
12	40.7°	4.47	161°	5.77
14	39.9°	4.65	180°	6.37
16	39.5°	4.72	180°	6.75
20	40.4°	4.71	180°	7.32

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