ESTELLE — ORC Rating | RegattaPages

GPH

770

OSN

747.5

LOA

7.8 m

Displacement

2300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5298

Medium

0.7192

High

0.8311

Triple Offshore

Low

0.6802

Medium

0.8792

High

0.9865

Boat Specifications

Dimensions

Length overall: 7.8 m
Beam: 2.76 m
Draft: 1.46 m
Displacement: 2300 kg
Crew weight: 400 kg
Wetted surface: 13.84 m²

Sails

Mainsail: 15.47 m²
Genoa: 18.4 m²
Spinnaker: 38.25 m²
Asymmetric spinnaker: 0 m²

Design

Type: ALBIN 78
Builder: Albin Marine
Designer: Peter Norlin
Year built: 1978

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.

6,43.1,3.779982,52,4.2,60,4.43,75,4.6,90,4.58,110,4.63,120,4.48,135,4.07,149,3.558232,150,3.52
8,42,4.400219,52,4.98,60,5.24,75,5.4,90,5.5,110,5.54,120,5.42,135,4.96,150,4.39,153,4.276063
10,42,4.978841,52,5.49,60,5.66,75,5.79,90,5.94,110,5.98,120,5.91,135,5.65,150,5.15,155,4.965201
12,40.1,5.242369,52,5.74,60,5.88,75,6.01,90,6.21,110,6.29,120,6.21,135,6.01,150,5.72,173,5.178601
14,39,5.378655,52,5.89,60,6.04,75,6.2,90,6.43,110,6.61,120,6.53,135,6.3,150,6.03,180,5.67
16,39,5.468728,52,5.98,60,6.16,75,6.38,90,6.55,110,6.89,120,6.84,135,6.62,150,6.31,180,5.99
20,39.8,5.50578,52,6.02,60,6.25,75,6.62,90,6.83,110,7.24,120,7.35,135,7.2,150,6.88,180,6.53

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.2	4.43	4.6	4.58	4.63	4.48	4.07	3.52
8	4.98	5.24	5.4	5.5	5.54	5.42	4.96	4.39
10	5.49	5.66	5.79	5.94	5.98	5.91	5.65	5.15
12	5.74	5.88	6.01	6.21	6.29	6.21	6.01	5.72
14	5.89	6.04	6.2	6.43	6.61	6.53	6.3	6.03
16	5.98	6.16	6.38	6.55	6.89	6.84	6.62	6.31
20	6.02	6.25	6.62	6.83	7.24	7.35	7.2	6.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	2.76	149°	3.05
8	42°	3.27	153°	3.81
10	42°	3.7	155°	4.5
12	40.1°	4.01	173°	5.14
14	39°	4.18	180°	5.67
16	39°	4.25	180°	5.99
20	39.8°	4.23	180°	6.53

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