SURF of Sweden — ORC Rating

GPH

455.2

OSN

448.5

LOA

18.6 m

Displacement

16330 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8843

Medium

1.1678

High

1.3428

Triple Offshore

Low

1.1725

Medium

1.4734

High

1.6607

Boat Specifications

Dimensions

Length overall: 18.6 m
Beam: 4.3 m
Draft: 3.4 m
Displacement: 16330 kg
Crew weight: 850 kg
Wetted surface: 59.05 m²

Sails

Mainsail: 129.07 m²
Genoa: 73.75 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 243.97 m²

Design

Type: BRENTA 60
Builder: KNIERIM
Designer: LUCA BRENTA
Year built: 2007

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.

6,44.2,6.904627,52,7.7,60,8.29,75,8.87,90,8.94,110,8.27,120,7.65,135,6.58,139,6.240811,150,5.44
8,42.4,7.921941,52,8.9,60,9.37,75,9.8,90,9.89,110,9.53,120,9.26,135,8.24,140.5,7.672125,150,6.84
10,41.1,8.453171,52,9.4,60,9.75,75,10.18,90,10.46,110,10.2,120,10.04,135,9.45,144.5,8.635138,150,8.12
12,39.8,8.681691,52,9.64,60,9.97,75,10.49,90,10.91,110,10.82,120,10.75,135,10.11,150,9.2,150.5,9.145686
14,39,8.801435,52,9.8,60,10.14,75,10.74,90,11.23,110,11.29,120,11.51,135,10.84,150,9.93,152.5,9.706759
16,38.2,8.958374,52,9.88,60,10.21,75,10.93,90,11.5,110,11.94,120,12.2,135,11.7,150,10.47,150.5,10.421027
20,37.9,9.149849,52,10.12,60,10.52,75,11.12,90,11.97,110,12.97,120,13.3,135,13.76,146,12.532604,150,12

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.7	8.29	8.87	8.94	8.27	7.65	6.58	5.44
8	8.9	9.37	9.8	9.89	9.53	9.26	8.24	6.84
10	9.4	9.75	10.18	10.46	10.2	10.04	9.45	8.12
12	9.64	9.97	10.49	10.91	10.82	10.75	10.11	9.2
14	9.8	10.14	10.74	11.23	11.29	11.51	10.84	9.93
16	9.88	10.21	10.93	11.5	11.94	12.2	11.7	10.47
20	10.12	10.52	11.12	11.97	12.97	13.3	13.76	12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	4.95	139°	4.71
8	42.4°	5.85	140.5°	5.92
10	41.1°	6.37	144.5°	7.03
12	39.8°	6.67	150.5°	7.96
14	39°	6.84	152.5°	8.61
16	38.2°	7.04	150.5°	9.07
20	37.9°	7.22	146°	10.39

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