ORC Rating | RegattaPages

GPH

638.6

OSN

626.2

LOA

7.5 m

Displacement

1005 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7578

Medium

0.949

High

1.097

Triple Offshore

Low

0.9648

Medium

1.1667

High

1.3164

Boat Specifications

Dimensions

Length overall: 7.5 m
Beam: 2.07 m
Draft: 1.72 m
Displacement: 1005 kg
Crew weight: 220 kg
Wetted surface: 12.59 m²

Sails

Mainsail: 23.88 m²
Genoa: 11.86 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 60.16 m²

Design

Type: Esse 750
Builder: Proteus Yachts
Designer: U.Felci
Year built: 2011

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.

6,41.9,4.769508,52,5.36,60,5.64,75,5.83,90,5.84,110,5.97,120,5.84,135,5.25,143.7,4.752284,150,4.42
8,39.7,5.432808,52,6.08,60,6.28,75,6.45,90,6.41,110,6.62,120,6.64,135,6.3,147.8,5.696099,150,5.57
10,38.3,5.606693,52,6.26,60,6.45,75,6.76,90,6.9,110,7,120,7.24,135,7,150,6.35,151.7,6.235254
12,37.8,5.682429,52,6.33,60,6.54,75,6.93,90,7.32,110,7.4,120,7.71,135,7.86,148.5,7.048694,150,6.94
14,37.5,5.823383,52,6.45,60,6.63,75,7.04,90,7.55,110,7.78,120,8.19,135,8.85,145.5,8.081287,150,7.69
16,37.7,5.864335,52,6.5,60,6.74,75,7.17,90,7.69,110,8.35,120,8.66,135,9.54,143.5,9.379779,150,8.7
20,38.9,5.8979,52,6.51,60,6.79,75,7.37,90,7.97,110,9.03,120,9.5,135,10.81,146.3,11.851615,150,11.39

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.36	5.64	5.83	5.84	5.97	5.84	5.25	4.42
8	6.08	6.28	6.45	6.41	6.62	6.64	6.3	5.57
10	6.26	6.45	6.76	6.9	7	7.24	7	6.35
12	6.33	6.54	6.93	7.32	7.4	7.71	7.86	6.94
14	6.45	6.63	7.04	7.55	7.78	8.19	8.85	7.69
16	6.5	6.74	7.17	7.69	8.35	8.66	9.54	8.7
20	6.51	6.79	7.37	7.97	9.03	9.5	10.81	11.39

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.9°	3.55	143.7°	3.83
8	39.7°	4.18	147.8°	4.82
10	38.3°	4.4	151.7°	5.49
12	37.8°	4.49	148.5°	6.01
14	37.5°	4.62	145.5°	6.66
16	37.7°	4.64	143.5°	7.54
20	38.9°	4.59	146.3°	9.86

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