SPINDRIFT — ORC Rating

GPH

679.1

OSN

660.2

LOA

10.49 m

Displacement

5150 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5953

Medium

0.8108

High

0.9352

Triple Offshore

Low

0.7697

Medium

0.9982

High

1.1155

Boat Specifications

Dimensions

Length overall: 10.49 m
Beam: 3.25 m
Draft: 1.79 m
Displacement: 5150 kg
Crew weight: 528 kg
Wetted surface: 24.35 m²

Sails

Mainsail: 31.95 m²
Genoa: 34.94 m²
Spinnaker: 68.09 m²
Asymmetric spinnaker: 0 m²

Design

Type: VAN DE STADT 34
Builder: HENRY VINK
Designer: VAN DE STADT
Year built: 1989

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.

6,43.5,4.328799,52,4.82,60,5.12,75,5.37,90,5.32,110,5.19,120,5.03,135,4.55,147,4.006341,150,3.88
8,42.4,5.078168,52,5.69,60,6.01,75,6.24,90,6.24,110,6.26,120,6.11,135,5.55,150,4.87,151.5,4.801909
10,42,5.718939,52,6.32,60,6.52,75,6.67,90,6.74,110,6.81,120,6.73,135,6.39,150,5.73,153,5.589185
12,40.5,6.036249,52,6.61,60,6.77,75,6.92,90,7.04,110,7.15,120,7.08,135,6.84,150,6.44,159,6.084104
14,40.1,6.183642,52,6.75,60,6.92,75,7.12,90,7.2,110,7.48,120,7.4,135,7.16,150,6.85,180,6.32
16,39.8,6.221661,52,6.8,60,6.99,75,7.28,90,7.42,110,7.8,120,7.75,135,7.5,150,7.15,180,6.75
20,40.7,6.25219,52,6.82,60,7.03,75,7.43,90,7.79,110,8.14,120,8.37,135,8.18,150,7.79,180,7.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.82	5.12	5.37	5.32	5.19	5.03	4.55	3.88
8	5.69	6.01	6.24	6.24	6.26	6.11	5.55	4.87
10	6.32	6.52	6.67	6.74	6.81	6.73	6.39	5.73
12	6.61	6.77	6.92	7.04	7.15	7.08	6.84	6.44
14	6.75	6.92	7.12	7.2	7.48	7.4	7.16	6.85
16	6.8	6.99	7.28	7.42	7.8	7.75	7.5	7.15
20	6.82	7.03	7.43	7.79	8.14	8.37	8.18	7.79

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.14	147°	3.36
8	42.4°	3.75	151.5°	4.22
10	42°	4.25	153°	4.98
12	40.5°	4.59	159°	5.68
14	40.1°	4.73	180°	6.32
16	39.8°	4.78	180°	6.75
20	40.7°	4.74	180°	7.35

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