Sizwe — ORC Rating | RegattaPages

GPH

720.4

OSN

697.8

LOA

9.33 m

Displacement

4780 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6305

Medium

0.8615

High

1.0129

Triple Offshore

Low

0.81

Medium

1.0599

High

1.1994

Boat Specifications

Dimensions

Length overall: 9.33 m
Beam: 3.15 m
Draft: 1.78 m
Displacement: 4780 kg
Crew weight: 526 kg
Wetted surface: 22.49 m²

Sails

Mainsail: 20.04 m²
Genoa: 34.15 m²
Spinnaker: 69.14 m²
Asymmetric spinnaker: 0 m²

Design

Type: Miura
Builder: Nebe
Designer: Berke Meyer
Year built: 1991

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.

6,42.6,3.980453,52,4.48,60,4.73,75,4.91,90,4.86,110,4.85,120,4.71,135,4.31,147.7,3.773979,150,3.68
8,41.1,4.644599,52,5.26,60,5.54,75,5.77,90,5.72,110,5.87,120,5.73,135,5.25,150,4.62,151.8,4.550079
10,41.6,5.268802,52,5.88,60,6.1,75,6.26,90,6.35,110,6.45,120,6.38,135,6.09,150,5.45,151.9,5.362041
12,40.8,5.706774,52,6.24,60,6.39,75,6.52,90,6.67,110,6.78,120,6.73,135,6.53,150,6.15,158.3,5.822635
14,39.8,5.896261,52,6.43,60,6.58,75,6.72,90,6.82,110,7.08,120,7.04,135,6.83,150,6.53,178.1,6.013306
16,39.1,5.966138,52,6.52,60,6.69,75,6.89,90,6.96,110,7.36,120,7.36,135,7.13,150,6.81,179.8,6.430039
20,39,6.009167,52,6.57,60,6.76,75,7.1,90,7.33,110,7.67,120,7.9,135,7.76,150,7.39,180,6.97

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.48	4.73	4.91	4.86	4.85	4.71	4.31	3.68
8	5.26	5.54	5.77	5.72	5.87	5.73	5.25	4.62
10	5.88	6.1	6.26	6.35	6.45	6.38	6.09	5.45
12	6.24	6.39	6.52	6.67	6.78	6.73	6.53	6.15
14	6.43	6.58	6.72	6.82	7.08	7.04	6.83	6.53
16	6.52	6.69	6.89	6.96	7.36	7.36	7.13	6.81
20	6.57	6.76	7.1	7.33	7.67	7.9	7.76	7.39

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	2.93	147.7°	3.19
8	41.1°	3.5	151.8°	4.01
10	41.6°	3.94	151.9°	4.73
12	40.8°	4.32	158.3°	5.41
14	39.8°	4.53	178.1°	6.01
16	39.1°	4.63	179.8°	6.43
20	39°	4.67	180°	6.97

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