NIKI — ORC Rating | RegattaPages

GPH

746.2

OSN

720.4

LOA

9.868 m

Displacement

4707 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5922

Medium

0.825

High

0.9963

Triple Offshore

Low

0.7646

Medium

1.0304

High

1.1917

Boat Specifications

Dimensions

Length overall: 9.868 m
Beam: 3.21 m
Draft: 1.82 m
Displacement: 4707 kg
Crew weight: 480 kg
Wetted surface: 21.43 m²

Sails

Mainsail: 21.08 m²
Genoa: 25.2 m²
Spinnaker: 57.75 m²
Asymmetric spinnaker: 0 m²

Design

Type: SIGMA 33
Builder: MARINE PROJECTS
Designer: DAVID THOMAS
Year built: 1978

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.

6,44.6,3.749863,52,4.14,60,4.4,75,4.6,90,4.57,110,4.67,120,4.54,135,4.1,147.7,3.608349,150,3.52
8,42.9,4.450251,52,4.95,60,5.23,75,5.46,90,5.56,110,5.71,120,5.55,135,5.07,150,4.48,151.5,4.415026
10,41.7,4.942153,52,5.58,60,5.9,75,6.14,90,6.32,110,6.44,120,6.35,135,5.96,150,5.29,153.7,5.131143
12,41.9,5.454705,52,6.08,60,6.31,75,6.5,90,6.69,110,6.8,120,6.75,135,6.52,150,6.06,155.5,5.813434
14,41.3,5.803551,52,6.37,60,6.55,75,6.72,90,6.91,110,7.09,120,7.04,135,6.84,150,6.53,173.8,5.944771
16,40.5,5.957344,52,6.52,60,6.7,75,6.89,90,7.01,110,7.38,120,7.35,135,7.13,150,6.83,180,6.41
20,40.4,6.014143,52,6.62,60,6.84,75,7.16,90,7.32,110,7.78,120,7.93,135,7.76,150,7.39,180,6.99

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.14	4.4	4.6	4.57	4.67	4.54	4.1	3.52
8	4.95	5.23	5.46	5.56	5.71	5.55	5.07	4.48
10	5.58	5.9	6.14	6.32	6.44	6.35	5.96	5.29
12	6.08	6.31	6.5	6.69	6.8	6.75	6.52	6.06
14	6.37	6.55	6.72	6.91	7.09	7.04	6.84	6.53
16	6.52	6.7	6.89	7.01	7.38	7.35	7.13	6.83
20	6.62	6.84	7.16	7.32	7.78	7.93	7.76	7.39

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.6°	2.67	147.7°	3.05
8	42.9°	3.26	151.5°	3.88
10	41.7°	3.69	153.7°	4.6
12	41.9°	4.06	155.5°	5.29
14	41.3°	4.36	173.8°	5.91
16	40.5°	4.53	180°	6.41
20	40.4°	4.58	180°	6.99

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