Rockstar — ORC Rating

GPH

621.1

OSN

604.7

LOA

11.625 m

Displacement

6072 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7205

Medium

0.99

High

1.161

Triple Offshore

Low

0.9419

Medium

1.2291

High

1.3905

Boat Specifications

Dimensions

Length overall: 11.625 m
Beam: 3.66 m
Draft: 1.99 m
Displacement: 6072 kg
Crew weight: 715 kg
Wetted surface: 29.67 m²

Sails

Mainsail: 46.12 m²
Genoa: 43.05 m²
Spinnaker: 79.3 m²
Asymmetric spinnaker: 0 m²

Design

Type: FARR 38
Builder: TWO OCEANS
Designer: B.FARR
Year built: 0

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.

6,44.2,4.798367,52,5.32,60,5.68,75,6.02,90,6.05,110,5.59,120,5.4,135,4.84,145,4.284919,150,4.05
8,43,5.674409,52,6.35,60,6.72,75,7,90,7.03,110,6.79,120,6.59,135,5.97,150,5.149964
10,42.9,6.416006,52,7.03,60,7.27,75,7.45,90,7.5,110,7.43,120,7.32,135,6.91,150,6.11,151.8,6.01382
12,40.8,6.644693,52,7.29,60,7.51,75,7.74,90,7.81,110,7.83,120,7.73,135,7.44,150,6.94,156.3,6.64
14,39.5,6.751988,52,7.41,60,7.63,75,7.96,90,8.12,110,8.26,120,8.13,135,7.81,150,7.43,173.4,6.795032
16,38.5,6.797782,52,7.48,60,7.7,75,8.1,90,8.41,110,8.63,120,8.59,135,8.21,150,7.79,180,7.29
20,38.3,6.906426,52,7.56,60,7.78,75,8.24,90,8.77,110,9.07,120,9.46,135,9.14,150,8.57,180,8

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.32	5.68	6.02	6.05	5.59	5.4	4.84	4.05
8	6.35	6.72	7	7.03	6.79	6.59	5.97	5.15
10	7.03	7.27	7.45	7.5	7.43	7.32	6.91	6.11
12	7.29	7.51	7.74	7.81	7.83	7.73	7.44	6.94
14	7.41	7.63	7.96	8.12	8.26	8.13	7.81	7.43
16	7.48	7.7	8.1	8.41	8.63	8.59	8.21	7.79
20	7.56	7.78	8.24	8.77	9.07	9.46	9.14	8.57

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.44	145°	3.51
8	43°	4.15	150°	4.46
10	42.9°	4.7	151.8°	5.3
12	40.8°	5.03	156.3°	6.08
14	39.5°	5.21	173.4°	6.75
16	38.5°	5.32	180°	7.29
20	38.3°	5.42	180°	8

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