Alesta Yelken — ORC Rating

GPH

678.1

OSN

657.9

LOA

7.53 m

Displacement

1257 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6154

Medium

0.816

High

0.9144

Triple Offshore

Low

0.7868

Medium

0.9914

High

1.1074

Boat Specifications

Dimensions

Length overall: 7.53 m
Beam: 2.58 m
Draft: 1.6 m
Displacement: 1257 kg
Crew weight: 370 kg
Wetted surface: 11.89 m²

Sails

Mainsail: 18.07 m²
Genoa: 12.13 m²
Spinnaker: 44.07 m²
Asymmetric spinnaker: 0 m²

Design

Type: PLATU 25 OD
Builder: BENETEAU
Designer: FARR
Year built: 1997
Stability index: 111

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.

6,42.6,4.388008,52,4.88,60,5.11,75,5.25,90,5.36,110,5.4,120,5.26,135,4.76,144.2,4.253673,150,3.98
8,40.6,5.176015,52,5.73,60,5.9,75,5.99,90,6.15,110,6.25,120,6.15,135,5.78,149.2,5.087548,150,5.04
10,38.1,5.540483,52,6.11,60,6.25,75,6.39,90,6.48,110,6.77,120,6.71,135,6.35,150,5.87,155,5.660329
12,37.2,5.66206,52,6.29,60,6.47,75,6.69,90,6.74,110,7.2,120,7.27,135,6.86,150,6.4,164.6,5.953768
14,37.2,5.724832,52,6.36,60,6.58,75,6.91,90,7.08,110,7.52,120,7.8,135,7.44,150,6.88,176.3,6.253034
16,37.5,5.772964,52,6.41,60,6.64,75,7.05,90,7.38,110,7.82,120,8.3,135,8.19,150,7.41,177.2,6.677973
20,38.7,5.804489,52,6.42,60,6.7,75,7.2,90,7.8,110,8.39,120,9.11,135,10.24,150,8.86,151.4,8.747322

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.88	5.11	5.25	5.36	5.4	5.26	4.76	3.98
8	5.73	5.9	5.99	6.15	6.25	6.15	5.78	5.04
10	6.11	6.25	6.39	6.48	6.77	6.71	6.35	5.87
12	6.29	6.47	6.69	6.74	7.2	7.27	6.86	6.4
14	6.36	6.58	6.91	7.08	7.52	7.8	7.44	6.88
16	6.41	6.64	7.05	7.38	7.82	8.3	8.19	7.41
20	6.42	6.7	7.2	7.8	8.39	9.11	10.24	8.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.23	144.2°	3.45
8	40.6°	3.93	149.2°	4.37
10	38.1°	4.36	155°	5.13
12	37.2°	4.51	164.6°	5.74
14	37.2°	4.56	176.3°	6.24
16	37.5°	4.58	177.2°	6.67
20	38.7°	4.53	151.4°	7.68

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