Nave Loco — ORC Rating

GPH

549.9

OSN

536.4

LOA

12.47 m

Displacement

5750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7462

Medium

0.9933

High

1.1185

Triple Offshore

Low

0.9692

Medium

1.2237

High

1.3627

Boat Specifications

Dimensions

Length overall: 12.47 m
Beam: 3.73 m
Draft: 2.81 m
Displacement: 5750 kg
Crew weight: 750 kg
Wetted surface: 31.35 m²

Sails

Mainsail: 45.74 m²
Genoa: 45.38 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 129.87 m²

Design

Type: Sydney 40 mod
Builder: Sydney Yachts
Designer: Dovell
Year built: 1998

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.

6,42.3,5.489223,52,6.2,60,6.65,75,7.02,90,7.06,110,6.63,120,6.17,135,5.53,142.6,5.06033,150,4.65
8,40,6.435658,52,7.23,60,7.55,75,7.8,90,7.87,110,7.65,120,7.45,135,6.88,145.6,6.193087,150,5.9
10,37.8,6.935348,52,7.71,60,7.88,75,8.17,90,8.35,110,8.22,120,8.14,135,7.77,149,7.034799,150,6.97
12,36.9,7.140315,52,7.93,60,8.13,75,8.36,90,8.7,110,8.7,120,8.71,135,8.36,150,7.71,150.4,7.682621
14,36.3,7.25871,52,8.04,60,8.26,75,8.59,90,8.92,110,9.17,120,9.26,135,8.95,149.9,8.183539,150,8.17
16,36,7.329883,52,8.13,60,8.37,75,8.74,90,9.12,110,9.65,120,9.79,135,9.59,150,8.58,171.7,7.528859
20,35.7,7.413031,52,8.24,60,8.5,75,8.97,90,9.47,110,10.49,120,10.63,135,11.28,143.6,10.547975,150,9.8
24,36.6,7.448767,52,8.25,60,8.51,75,9.09,90,9.77,110,11.13,120,11.94,135,13.61,140.9,13.530119,150,12.13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.2	6.65	7.02	7.06	6.63	6.17	5.53	4.65
8	7.23	7.55	7.8	7.87	7.65	7.45	6.88	5.9
10	7.71	7.88	8.17	8.35	8.22	8.14	7.77	6.97
12	7.93	8.13	8.36	8.7	8.7	8.71	8.36	7.71
14	8.04	8.26	8.59	8.92	9.17	9.26	8.95	8.17
16	8.13	8.37	8.74	9.12	9.65	9.79	9.59	8.58
20	8.24	8.5	8.97	9.47	10.49	10.63	11.28	9.8
24	8.25	8.51	9.09	9.77	11.13	11.94	13.61	12.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	4.06	142.6°	4.02
8	40°	4.93	145.6°	5.11
10	37.8°	5.48	149°	6.03
12	36.9°	5.71	150.4°	6.68
14	36.3°	5.85	149.9°	7.08
16	36°	5.93	171.7°	7.45
20	35.7°	6.02	143.6°	8.49
24	36.6°	5.98	140.9°	10.5

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