SIR BISS — ORC Rating

GPH

578.9

OSN

563.6

LOA

11.795 m

Displacement

6150 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8

Medium

1.0631

High

1.1973

Triple Offshore

Low

1.031

Medium

1.3119

High

1.4516

Boat Specifications

Dimensions

Length overall: 11.795 m
Beam: 3.71 m
Draft: 2.64 m
Displacement: 6150 kg
Crew weight: 730 kg
Wetted surface: 31.14 m²

Sails

Mainsail: 49.82 m²
Genoa: 39.97 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 127.5 m²

Design

Type: SYDNEY 39
Builder: SYDNEY YACHTS
Designer: HB & D
Year built: 2000

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.

6,42,5.086492,52,5.71,60,6.01,75,6.24,90,6.2,110,6.23,120,6.06,135,5.42,143.3,4.926565,150,4.56
8,40.7,6.054336,52,6.81,60,7.08,75,7.25,90,7.37,110,7.44,120,7.29,135,6.68,147,5.902198,150,5.71
10,39.4,6.664652,52,7.4,60,7.58,75,7.73,90,7.77,110,8,120,7.91,135,7.54,148.5,6.849314,150,6.74
12,38.2,6.833305,52,7.59,60,7.79,75,8.02,90,8.08,110,8.41,120,8.41,135,8.04,150,7.46,150.4,7.441101
14,37.7,6.900705,52,7.67,60,7.88,75,8.22,90,8.42,110,8.7,120,8.95,135,8.55,150,7.84,152.5,7.700019
16,37.4,6.973688,52,7.7,60,7.93,75,8.33,90,8.71,110,8.98,120,9.36,135,9.15,150,8.21,176.2,7.406283
20,37.8,7.13784,52,7.85,60,8.1,75,8.44,90,9.05,110,9.47,120,10.03,135,10.63,150,9.21,177.5,8.187793

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.71	6.01	6.24	6.2	6.23	6.06	5.42	4.56
8	6.81	7.08	7.25	7.37	7.44	7.29	6.68	5.71
10	7.4	7.58	7.73	7.77	8	7.91	7.54	6.74
12	7.59	7.79	8.02	8.08	8.41	8.41	8.04	7.46
14	7.67	7.88	8.22	8.42	8.7	8.95	8.55	7.84
16	7.7	7.93	8.33	8.71	8.98	9.36	9.15	8.21
20	7.85	8.1	8.44	9.05	9.47	10.03	10.63	9.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.78	143.3°	3.95
8	40.7°	4.59	147°	4.95
10	39.4°	5.15	148.5°	5.84
12	38.2°	5.37	150.4°	6.47
14	37.7°	5.46	152.5°	6.83
16	37.4°	5.54	176.2°	7.39
20	37.8°	5.64	177.5°	8.18

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