NERISSA — ORC Rating | RegattaPages

GPH

652.5

OSN

631.3

LOA

19.078 m

Displacement

22720 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6158

Medium

0.8348

High

0.9519

Triple Offshore

Low

0.7929

Medium

1.045

High

1.1651

Boat Specifications

Dimensions

Length overall: 19.078 m
Beam: 4.65 m
Draft: 2.15 m
Displacement: 22720 kg
Crew weight: 892 kg
Wetted surface: 58.26 m²

Sails

Mainsail: 54.48 m²
Genoa: 75.73 m²
Spinnaker: 159.57 m²
Asymmetric spinnaker: 0 m²

Design

Type: PROTO CLASICO
Builder: BELTRAMI
Designer: ARTHUR CECIL R.
Year built: 1965
Stability index: 119.7

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.

6,44.8,4.495676,52,4.96,60,5.26,75,5.45,90,5.32,110,5.33,120,5.19,135,4.7,146,4.173514,150,4
8,42.4,5.308378,52,5.88,60,6.15,75,6.34,90,6.29,110,6.46,120,6.35,135,5.88,149.6,5.159339,150,5.14
10,41.2,5.794675,52,6.47,60,6.76,75,7.02,90,7.02,110,7.31,120,7.26,135,6.82,150,6.1,152.3,5.986038
12,41.2,6.033905,52,6.78,60,7.13,75,7.48,90,7.56,110,7.85,120,7.89,135,7.58,150,6.92,155,6.664403
14,41.4,6.159088,52,6.92,60,7.29,75,7.74,90,7.92,110,8.14,120,8.28,135,8.11,150,7.6,158.6,7.196131
16,41.4,6.212413,52,6.98,60,7.37,75,7.86,90,8.15,110,8.32,120,8.54,135,8.48,150,8.09,168.2,7.447383
20,42.4,6.256303,52,7,60,7.42,75,7.97,90,8.36,110,8.54,120,8.81,135,9.03,150,8.74,178.4,8.213202

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.96	5.26	5.45	5.32	5.33	5.19	4.7	4
8	5.88	6.15	6.34	6.29	6.46	6.35	5.88	5.14
10	6.47	6.76	7.02	7.02	7.31	7.26	6.82	6.1
12	6.78	7.13	7.48	7.56	7.85	7.89	7.58	6.92
14	6.92	7.29	7.74	7.92	8.14	8.28	8.11	7.6
16	6.98	7.37	7.86	8.15	8.32	8.54	8.48	8.09
20	7	7.42	7.97	8.36	8.54	8.81	9.03	8.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	3.19	146°	3.46
8	42.4°	3.92	149.6°	4.45
10	41.2°	4.36	152.3°	5.3
12	41.2°	4.54	155°	6.04
14	41.4°	4.62	158.6°	6.7
16	41.4°	4.66	168.2°	7.29
20	42.4°	4.62	178.4°	8.21

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