SIR BISS — ORC Rating

GPH

573.8

OSN

559

LOA

11.795 m

Displacement

6154 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7239

Medium

0.9517

High

1.0615

Triple Offshore

Low

0.9305

Medium

1.1735

High

1.2927

Boat Specifications

Dimensions

Length overall: 11.795 m
Beam: 3.71 m
Draft: 2.64 m
Displacement: 6154 kg
Crew weight: 730 kg
Wetted surface: 30.84 m²

Sails

Mainsail: 49.12 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
Stability index: 113.1

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.

6,42,5.234511,52,5.87,60,6.15,75,6.33,90,6.47,110,6.25,120,6.08,135,5.44,143,4.958457,150,4.58
8,40,6.148468,52,6.88,60,7.1,75,7.29,90,7.45,110,7.4,120,7.28,135,6.73,146.4,6.02698,150,5.79
10,38.5,6.618893,52,7.38,60,7.58,75,7.73,90,7.95,110,8,120,7.94,135,7.58,148.9,6.890373,150,6.81
12,37.6,6.790446,52,7.58,60,7.8,75,8.03,90,8.29,110,8.42,120,8.46,135,8.14,150,7.52,150.1,7.509545
14,37.2,6.867288,52,7.68,60,7.91,75,8.22,90,8.49,110,8.76,120,8.94,135,8.67,150,7.95,150.5,7.916304
16,37.2,6.942614,52,7.75,60,7.98,75,8.35,90,8.67,110,9.17,120,9.34,135,9.25,150,8.33,173,7.415272
20,37.6,7.005014,52,7.8,60,8.05,75,8.5,90,8.99,110,9.85,120,10.05,135,10.69,150,9.16,175.7,8.223147

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.87	6.15	6.33	6.47	6.25	6.08	5.44	4.58
8	6.88	7.1	7.29	7.45	7.4	7.28	6.73	5.79
10	7.38	7.58	7.73	7.95	8	7.94	7.58	6.81
12	7.58	7.8	8.03	8.29	8.42	8.46	8.14	7.52
14	7.68	7.91	8.22	8.49	8.76	8.94	8.67	7.95
16	7.75	7.98	8.35	8.67	9.17	9.34	9.25	8.33
20	7.8	8.05	8.5	8.99	9.85	10.05	10.69	9.16

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.89	143°	3.96
8	40°	4.71	146.4°	5.02
10	38.5°	5.18	148.9°	5.9
12	37.6°	5.38	150.1°	6.51
14	37.2°	5.47	150.5°	6.89
16	37.2°	5.53	173°	7.36
20	37.6°	5.55	175.7°	8.2

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