ESTELLE — ORC Rating | RegattaPages

GPH

777.8

OSN

752.7

LOA

7.8 m

Displacement

2300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5192

Medium

0.7124

High

0.8388

Triple Offshore

Low

0.6672

Medium

0.8725

High

0.9901

Boat Specifications

Dimensions

Length overall: 7.8 m
Beam: 2.76 m
Draft: 1.46 m
Displacement: 2300 kg
Crew weight: 500 kg
Wetted surface: 13.98 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
Stability index: 111.4

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.

6,43.6,3.714588,52,4.11,60,4.33,75,4.49,90,4.5,110,4.55,120,4.4,135,3.99,148.7,3.499291,150,3.45
8,42.3,4.340001,52,4.87,60,5.14,75,5.31,90,5.45,110,5.48,120,5.35,135,4.88,150,4.34,153.8,4.201688
10,43,4.963399,52,5.46,60,5.63,75,5.75,90,5.93,110,5.95,120,5.87,135,5.61,150,5.11,154.7,4.922117
12,40.6,5.241868,52,5.73,60,5.87,75,5.99,90,6.21,110,6.26,120,6.17,135,5.98,150,5.69,164,5.295124
14,38.8,5.414852,52,5.9,60,6.04,75,6.18,90,6.45,110,6.58,120,6.48,135,6.27,150,6.01,176.6,5.619892
16,38.1,5.50236,52,6.02,60,6.18,75,6.36,90,6.62,110,6.87,120,6.8,135,6.57,150,6.29,179,5.940905
20,38.2,5.560809,52,6.11,60,6.33,75,6.67,90,6.82,110,7.29,120,7.33,135,7.16,150,6.86,179,6.470986

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.11	4.33	4.49	4.5	4.55	4.4	3.99	3.45
8	4.87	5.14	5.31	5.45	5.48	5.35	4.88	4.34
10	5.46	5.63	5.75	5.93	5.95	5.87	5.61	5.11
12	5.73	5.87	5.99	6.21	6.26	6.17	5.98	5.69
14	5.9	6.04	6.18	6.45	6.58	6.48	6.27	6.01
16	6.02	6.18	6.36	6.62	6.87	6.8	6.57	6.29
20	6.11	6.33	6.67	6.82	7.29	7.33	7.16	6.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	2.69	148.7°	2.99
8	42.3°	3.21	153.8°	3.77
10	43°	3.63	154.7°	4.45
12	40.6°	3.98	164°	5.09
14	38.8°	4.22	176.6°	5.61
16	38.1°	4.33	179°	5.94
20	38.2°	4.37	179°	6.47

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