Strumpet — ORC Rating

GPH

565.9

OSN

548.4

LOA

12.75 m

Displacement

6570 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7037

Medium

0.9732

High

1.1294

Triple Offshore

Low

0.9145

Medium

1.2017

High

1.3642

Boat Specifications

Dimensions

Length overall: 12.75 m
Beam: 3.82 m
Draft: 2.43 m
Displacement: 6570 kg
Crew weight: 880 kg
Wetted surface: 32.8 m²

Sails

Mainsail: 52.84 m²
Genoa: 42.18 m²
Spinnaker: 114.02 m²
Asymmetric spinnaker: 116.83 m²

Design

Type: Fast 42
Builder: Fast Yacht
Designer: Simonis
Year built: 1994
Stability index: 124.3

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.

6,43.6,5.081667,52,5.68,60,6.05,75,6.36,90,6.28,110,6.23,120,6.04,135,5.41,142.1,4.993131,150,4.55
8,42,6.095716,52,6.85,60,7.2,75,7.45,90,7.47,110,7.55,120,7.4,135,6.75,146,5.994903,150,5.74
10,40.8,6.882476,52,7.59,60,7.8,75,7.96,90,8.05,110,8.19,120,8.1,135,7.73,147.8,6.984221,150,6.82
12,38.7,7.162714,52,7.91,60,8.1,75,8.31,90,8.35,110,8.71,120,8.65,135,8.27,150,7.67,154.2,7.441809
14,38.1,7.319537,52,8.04,60,8.28,75,8.62,90,8.74,110,9.21,120,9.27,135,8.82,150,8.19,163.1,7.660844
16,37.6,7.371042,52,8.12,60,8.39,75,8.86,90,9.15,110,9.55,120,9.9,135,9.45,150,8.67,175.7,7.902244
20,37.2,7.444793,52,8.19,60,8.49,75,9.11,90,9.77,110,10.19,120,10.87,135,11.04,150,9.87,175.4,8.83847

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.68	6.05	6.36	6.28	6.23	6.04	5.41	4.55
8	6.85	7.2	7.45	7.47	7.55	7.4	6.75	5.74
10	7.59	7.8	7.96	8.05	8.19	8.1	7.73	6.82
12	7.91	8.1	8.31	8.35	8.71	8.65	8.27	7.67
14	8.04	8.28	8.62	8.74	9.21	9.27	8.82	8.19
16	8.12	8.39	8.86	9.15	9.55	9.9	9.45	8.67
20	8.19	8.49	9.11	9.77	10.19	10.87	11.04	9.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.68	142.1°	3.94
8	42°	4.53	146°	4.97
10	40.8°	5.21	147.8°	5.91
12	38.7°	5.59	154.2°	6.7
14	38.1°	5.76	163.1°	7.33
16	37.6°	5.84	175.7°	7.88
20	37.2°	5.93	175.4°	8.81

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