Indaba — ORC Rating | RegattaPages

GPH

699.8

OSN

676

LOA

10.49 m

Displacement

5206 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5763

Medium

0.7932

High

0.926

Triple Offshore

Low

0.7404

Medium

0.9724

High

1.0937

Boat Specifications

Dimensions

Length overall: 10.49 m
Beam: 3.25 m
Draft: 1.8 m
Displacement: 5206 kg
Crew weight: 516 kg
Wetted surface: 24.47 m²

Sails

Mainsail: 24.4 m²
Genoa: 31.03 m²
Spinnaker: 75.44 m²
Asymmetric spinnaker: 0 m²

Design

Type: Van De Stadt 34
Builder: H. Vink
Designer: Van De Stadt
Year built: 1983
Stability index: 116.4

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.

6,44.2,4.156725,52,4.58,60,4.85,75,5.01,90,4.91,110,5.03,120,4.89,135,4.45,146.6,3.92886,150,3.78
8,42.4,4.902124,52,5.45,60,5.7,75,5.87,90,5.91,110,6.06,120,5.93,135,5.47,150,4.82,150.5,4.802634
10,41.1,5.427546,52,6.03,60,6.24,75,6.4,90,6.52,110,6.66,120,6.59,135,6.27,150,5.69,153.3,5.540809
12,40,5.796008,52,6.39,60,6.56,75,6.71,90,6.83,110,7,120,6.97,135,6.76,150,6.36,159.2,6.011816
14,39,5.9963,52,6.6,60,6.75,75,6.91,90,6.99,110,7.26,120,7.25,135,7.08,150,6.78,171.8,6.243836
16,38.7,6.086385,52,6.7,60,6.87,75,7.06,90,7.12,110,7.49,120,7.53,135,7.38,150,7.08,178.4,6.632586
20,39,6.163578,52,6.77,60,6.96,75,7.25,90,7.43,110,7.84,120,8.11,135,8.03,150,7.64,179,7.211098

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.58	4.85	5.01	4.91	5.03	4.89	4.45	3.78
8	5.45	5.7	5.87	5.91	6.06	5.93	5.47	4.82
10	6.03	6.24	6.4	6.52	6.66	6.59	6.27	5.69
12	6.39	6.56	6.71	6.83	7	6.97	6.76	6.36
14	6.6	6.75	6.91	6.99	7.26	7.25	7.08	6.78
16	6.7	6.87	7.06	7.12	7.49	7.53	7.38	7.08
20	6.77	6.96	7.25	7.43	7.84	8.11	8.03	7.64

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.98	146.6°	3.28
8	42.4°	3.62	150.5°	4.18
10	41.1°	4.09	153.3°	4.95
12	40°	4.44	159.2°	5.62
14	39°	4.66	171.8°	6.18
16	38.7°	4.75	178.4°	6.63
20	39°	4.79	179°	7.21

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