ESSE 990 — ORC Rating

GPH

572.5

OSN

568

LOA

9.99 m

Displacement

2186 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7486

Medium

0.9199

High

1.0408

Triple Offshore

Low

0.9689

Medium

1.1512

High

1.2721

Boat Specifications

Dimensions

Length overall: 9.99 m
Beam: 2.55 m
Draft: 2.09 m
Displacement: 2186 kg
Crew weight: 320 kg
Wetted surface: 19.72 m²

Sails

Mainsail: 41.63 m²
Genoa: 25.99 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 110.46 m²

Design

Type: Esse 990
Builder: Schuchter
Designer: U.Felci
Year built: 2008

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.

6,42.8,5.492485,52,6.16,60,6.53,75,6.81,90,7,110,6.98,120,6.72,135,5.87,142.2,5.378691,150,4.91
8,40.5,5.957344,52,6.75,60,7.05,75,7.37,90,7.48,110,7.72,120,7.59,135,7.16,145.5,6.503858,150,6.19
10,40.5,6.180909,52,6.94,60,7.21,75,7.59,90,7.96,110,8.25,120,8.39,135,7.97,150,7.18,152,7.010609
12,40.5,6.246663,52,7.01,60,7.28,75,7.73,90,8.24,110,8.69,120,9,135,8.92,150,7.875058
14,40.9,6.403358,52,7.1,60,7.35,75,7.82,90,8.42,110,9.05,120,9.52,135,9.73,147,9.002343,150,8.72
16,41.1,6.422817,52,7.15,60,7.45,75,7.93,90,8.53,110,9.44,120,10.01,135,10.66,144.5,10.453062,150,9.83
20,43.9,6.522785,52,7.11,60,7.45,75,8.11,90,8.77,110,9.73,120,10.61,135,12.27,148,12.923795,150,12.66

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.16	6.53	6.81	7	6.98	6.72	5.87	4.91
8	6.75	7.05	7.37	7.48	7.72	7.59	7.16	6.19
10	6.94	7.21	7.59	7.96	8.25	8.39	7.97	7.18
12	7.01	7.28	7.73	8.24	8.69	9	8.92	7.88
14	7.1	7.35	7.82	8.42	9.05	9.52	9.73	8.72
16	7.15	7.45	7.93	8.53	9.44	10.01	10.66	9.83
20	7.11	7.45	8.11	8.77	9.73	10.61	12.27	12.66

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	4.03	142.2°	4.25
8	40.5°	4.53	145.5°	5.36
10	40.5°	4.7	152°	6.19
12	40.5°	4.75	150°	6.82
14	40.9°	4.84	147°	7.55
16	41.1°	4.84	144.5°	8.51
20	43.9°	4.7	148°	10.96

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