PISTRICE — ORC Rating

GPH

571.4

OSN

557

LOA

12 m

Displacement

4984 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.722

Medium

0.9518

High

1.0694

Triple Offshore

Low

0.9316

Medium

1.1789

High

1.3156

Boat Specifications

Dimensions

Length overall: 12 m
Beam: 3.86 m
Draft: 2.4 m
Displacement: 4984 kg
Crew weight: 600 kg
Wetted surface: 28.2 m²

Sails

Mainsail: 46.52 m²
Genoa: 50.93 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 126.21 m²

Design

Type: Vismara 40 mod.
Builder: Marine Service
Designer: Vismara
Year built: 1992
Stability index: 116.2

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.

6,43,5.332577,52,5.94,60,6.28,75,6.55,90,6.46,110,6.18,120,6.03,135,5.37,143.4,4.89526,150,4.54
8,41.4,6.305733,52,7.03,60,7.27,75,7.43,90,7.4,110,7.4,120,7.29,135,6.74,146.4,5.966951,150,5.74
10,39.4,6.677593,52,7.44,60,7.65,75,7.86,90,7.87,110,8.02,120,7.95,135,7.61,148.2,6.953819,150,6.82
12,38.8,6.877632,52,7.59,60,7.83,75,8.19,90,8.3,110,8.52,120,8.59,135,8.2,150,7.56,150.7,7.522338
14,38.4,6.96701,52,7.68,60,7.96,75,8.42,90,8.68,110,8.98,120,9.17,135,8.85,149.3,8.059524,150,8.01
16,38.1,7.001849,52,7.75,60,8.06,75,8.56,90,8.96,110,9.38,120,9.63,135,9.58,147.1,8.765872,150,8.5
20,38.1,7.128924,52,7.87,60,8.17,75,8.73,90,9.3,110,10.03,120,10.81,135,11.4,143.2,10.640273,150,9.84

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.94	6.28	6.55	6.46	6.18	6.03	5.37	4.54
8	7.03	7.27	7.43	7.4	7.4	7.29	6.74	5.74
10	7.44	7.65	7.86	7.87	8.02	7.95	7.61	6.82
12	7.59	7.83	8.19	8.3	8.52	8.59	8.2	7.56
14	7.68	7.96	8.42	8.68	8.98	9.17	8.85	8.01
16	7.75	8.06	8.56	8.96	9.38	9.63	9.58	8.5
20	7.87	8.17	8.73	9.3	10.03	10.81	11.4	9.84

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.9	143.4°	3.93
8	41.4°	4.73	146.4°	4.97
10	39.4°	5.16	148.2°	5.91
12	38.8°	5.36	150.7°	6.56
14	38.4°	5.46	149.3°	6.93
16	38.1°	5.51	147.1°	7.36
20	38.1°	5.61	143.2°	8.52

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