Indaba — ORC Rating | RegattaPages

GPH

696.4

OSN

674.5

LOA

10.49 m

Displacement

5206 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6459

Medium

0.8881

High

1.0494

Triple Offshore

Low

0.8331

Medium

1.0991

High

1.2493

Boat Specifications

Dimensions

Length overall: 10.49 m
Beam: 3.25 m
Draft: 1.8 m
Displacement: 5206 kg
Crew weight: 529 kg
Wetted surface: 24.58 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

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.

6,44.3,4.107908,52,4.55,60,4.83,75,5.03,90,4.97,110,5.07,120,4.93,135,4.52,147.1,3.966081,150,3.85
8,42.2,4.778588,52,5.37,60,5.68,75,5.93,90,5.98,110,6.15,120,6.01,135,5.51,150,4.84,150.9,4.806745
10,42,5.382531,52,6.04,60,6.31,75,6.5,90,6.64,110,6.76,120,6.69,135,6.37,150,5.7,151.9,5.611438
12,41.6,5.897314,52,6.46,60,6.65,75,6.8,90,6.96,110,7.1,120,7.06,135,6.84,150,6.43,157,6.137936
14,40.1,6.105202,52,6.69,60,6.85,75,7.01,90,7.12,110,7.41,120,7.38,135,7.16,150,6.84,180,6.26
16,39.9,6.230731,52,6.8,60,6.98,75,7.18,90,7.25,110,7.71,120,7.71,135,7.49,150,7.14,180,6.72
20,40.2,6.271308,52,6.85,60,7.06,75,7.43,90,7.64,110,8.03,120,8.31,135,8.16,150,7.76,180,7.3

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.55	4.83	5.03	4.97	5.07	4.93	4.52	3.85
8	5.37	5.68	5.93	5.98	6.15	6.01	5.51	4.84
10	6.04	6.31	6.5	6.64	6.76	6.69	6.37	5.7
12	6.46	6.65	6.8	6.96	7.1	7.06	6.84	6.43
14	6.69	6.85	7.01	7.12	7.41	7.38	7.16	6.84
16	6.8	6.98	7.18	7.25	7.71	7.71	7.49	7.14
20	6.85	7.06	7.43	7.64	8.03	8.31	8.16	7.76

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.3°	2.94	147.1°	3.33
8	42.2°	3.54	150.9°	4.2
10	42°	4	151.9°	4.95
12	41.6°	4.41	157°	5.65
14	40.1°	4.67	180°	6.26
16	39.9°	4.78	180°	6.72
20	40.2°	4.79	180°	7.3

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