ESTRALO — ORC Rating | RegattaPages

GPH

674.8

OSN

654.5

LOA

9.208 m

Displacement

2128 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6128

Medium

0.8211

High

0.9297

Triple Offshore

Low

0.7858

Medium

0.9988

High

1.1171

Boat Specifications

Dimensions

Length overall: 9.208 m
Beam: 3.16 m
Draft: 1.71 m
Displacement: 2128 kg
Crew weight: 360 kg
Wetted surface: 16.39 m²

Sails

Mainsail: 26.67 m²
Genoa: 18.86 m²
Spinnaker: 48.53 m²
Asymmetric spinnaker: 0 m²

Design

Type: HALF TONNER
Builder: ASTAFERSA
Designer: BERRET
Year built: 1980
Stability index: 112.5

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.

6,43,4.512181,52,5.02,60,5.27,75,5.42,90,5.32,110,5.29,120,5.12,135,4.58,144.8,4.087402,150,3.86
8,40.6,5.241868,52,5.83,60,6.02,75,6.15,90,6.17,110,6.23,120,6.09,135,5.64,150,4.92,150.2,4.909161
10,39,5.661742,52,6.25,60,6.41,75,6.54,90,6.62,110,6.74,120,6.65,135,6.33,150,5.79,154.7,5.574712
12,38.1,5.870879,52,6.47,60,6.63,75,6.81,90,6.9,110,7.14,120,7.09,135,6.79,150,6.39,162.8,5.966847
14,37.8,5.9482,52,6.57,60,6.76,75,7.02,90,7.15,110,7.52,120,7.53,135,7.23,150,6.82,175.4,6.280229
16,37.8,5.986167,52,6.63,60,6.84,75,7.18,90,7.42,110,7.9,120,8.03,135,7.72,150,7.23,179,6.681018
20,39,6.04777,52,6.67,60,6.92,75,7.36,90,7.87,110,8.55,120,9.39,135,9.28,150,8.24,178.4,7.472914

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.02	5.27	5.42	5.32	5.29	5.12	4.58	3.86
8	5.83	6.02	6.15	6.17	6.23	6.09	5.64	4.92
10	6.25	6.41	6.54	6.62	6.74	6.65	6.33	5.79
12	6.47	6.63	6.81	6.9	7.14	7.09	6.79	6.39
14	6.57	6.76	7.02	7.15	7.52	7.53	7.23	6.82
16	6.63	6.84	7.18	7.42	7.9	8.03	7.72	7.23
20	6.67	6.92	7.36	7.87	8.55	9.39	9.28	8.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.3	144.8°	3.34
8	40.6°	3.98	150.2°	4.26
10	39°	4.4	154.7°	5.04
12	38.1°	4.62	162.8°	5.7
14	37.8°	4.7	175.4°	6.26
16	37.8°	4.73	179°	6.68
20	39°	4.7	178.4°	7.47

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