Huntress — ORC Rating

GPH

558.6

OSN

542.3

LOA

12.28 m

Displacement

5915 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7333

Medium

0.9875

High

1.1216

Triple Offshore

Low

0.9443

Medium

1.2101

High

1.3544

Boat Specifications

Dimensions

Length overall: 12.28 m
Beam: 3.71 m
Draft: 2.67 m
Displacement: 5915 kg
Crew weight: 770 kg
Wetted surface: 30.93 m²

Sails

Mainsail: 51.24 m²
Genoa: 39.28 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 166.47 m²

Design

Type: Sydney 39 CR mod
Builder: Sydney Yachts
Designer: A Duval
Year built: 2000
Stability index: 119.1

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.

6,42.6,5.162363,52,5.78,60,6.1,75,6.36,90,6.37,110,6.5,120,6.36,135,5.68,143.3,5.188484,150,4.81
8,41.2,6.193391,52,6.93,60,7.2,75,7.38,90,7.53,110,7.69,120,7.61,135,7.14,146,6.30852,150,6.04
10,39.4,6.858768,52,7.56,60,7.74,75,7.87,90,7.87,110,8.24,120,8.24,135,7.92,148.7,7.256055,150,7.16
12,37.6,7.030257,52,7.78,60,7.99,75,8.22,90,8.25,110,8.58,120,8.83,135,8.52,150,7.88,151.4,7.790584
14,37,7.137173,52,7.88,60,8.11,75,8.48,90,8.66,110,8.91,120,9.26,135,9.21,149.2,8.393873,150,8.33
16,36.6,7.187188,52,7.94,60,8.18,75,8.63,90,9.02,110,9.21,120,9.65,135,10,146.6,9.187303,150,8.86
20,35.9,7.320611,52,8.11,60,8.35,75,8.79,90,9.44,110,9.78,120,10.43,135,11.64,142.6,11.329097,150,10.4

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.78	6.1	6.36	6.37	6.5	6.36	5.68	4.81
8	6.93	7.2	7.38	7.53	7.69	7.61	7.14	6.04
10	7.56	7.74	7.87	7.87	8.24	8.24	7.92	7.16
12	7.78	7.99	8.22	8.25	8.58	8.83	8.52	7.88
14	7.88	8.11	8.48	8.66	8.91	9.26	9.21	8.33
16	7.94	8.18	8.63	9.02	9.21	9.65	10	8.86
20	8.11	8.35	8.79	9.44	9.78	10.43	11.64	10.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.8	143.3°	4.16
8	41.2°	4.66	146°	5.23
10	39.4°	5.3	148.7°	6.2
12	37.6°	5.57	151.4°	6.84
14	37°	5.7	149.2°	7.21
16	36.6°	5.77	146.6°	7.67
20	35.9°	5.93	142.6°	9

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