Sizwe — ORC Rating | RegattaPages

GPH

733.3

OSN

708.3

LOA

9.33 m

Displacement

4779 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.553

Medium

0.7556

High

0.8796

Triple Offshore

Low

0.7067

Medium

0.9273

High

1.0433

Boat Specifications

Dimensions

Length overall: 9.33 m
Beam: 3.15 m
Draft: 1.78 m
Displacement: 4779 kg
Crew weight: 478 kg
Wetted surface: 22.33 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
Stability index: 111.1

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.

6,43,3.992596,52,4.44,60,4.66,75,4.78,90,4.68,110,4.73,120,4.59,135,4.14,147.5,3.651922,150,3.56
8,41.4,4.692638,52,5.23,60,5.44,75,5.58,90,5.55,110,5.71,120,5.58,135,5.13,150,4.53,151.4,4.476169
10,40.5,5.194594,52,5.77,60,5.96,75,6.11,90,6.18,110,6.34,120,6.26,135,5.94,150,5.37,153.2,5.220787
12,39.6,5.515804,52,6.1,60,6.27,75,6.42,90,6.51,110,6.7,120,6.67,135,6.45,150,6.04,159.2,5.690901
14,39.6,5.710479,52,6.29,60,6.45,75,6.63,90,6.68,110,6.96,120,6.97,135,6.79,150,6.47,171.2,5.950042
16,39.3,5.789309,52,6.38,60,6.56,75,6.78,90,6.87,110,7.18,120,7.24,135,7.09,150,6.79,177.2,6.337566
20,38.8,5.838289,52,6.46,60,6.65,75,6.95,90,7.15,110,7.46,120,7.7,135,7.69,150,7.35,179,6.921054

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.44	4.66	4.78	4.68	4.73	4.59	4.14	3.56
8	5.23	5.44	5.58	5.55	5.71	5.58	5.13	4.53
10	5.77	5.96	6.11	6.18	6.34	6.26	5.94	5.37
12	6.1	6.27	6.42	6.51	6.7	6.67	6.45	6.04
14	6.29	6.45	6.63	6.68	6.96	6.97	6.79	6.47
16	6.38	6.56	6.78	6.87	7.18	7.24	7.09	6.79
20	6.46	6.65	6.95	7.15	7.46	7.7	7.69	7.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	2.92	147.5°	3.08
8	41.4°	3.52	151.4°	3.93
10	40.5°	3.95	153.2°	4.66
12	39.6°	4.25	159.2°	5.32
14	39.6°	4.4	171.2°	5.88
16	39.3°	4.48	177.2°	6.33
20	38.8°	4.55	179°	6.92

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