TWEE GEZUSTERS — ORC Rating

GPH

677

OSN

655.4

LOA

10.257 m

Displacement

4266 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5969

Medium

0.8193

High

0.9435

Triple Offshore

Low

0.7685

Medium

1.0037

High

1.1224

Boat Specifications

Dimensions

Length overall: 10.257 m
Beam: 3.4 m
Draft: 1.91 m
Displacement: 4266 kg
Crew weight: 565 kg
Wetted surface: 23.35 m²

Sails

Mainsail: 23.21 m²
Genoa: 39.98 m²
Spinnaker: 74.83 m²
Asymmetric spinnaker: 0 m²

Design

Type: OOD 34
Builder: J.Rogers
Designer: D.Peterson
Year built: 1980
Stability index: 111.6

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.

6,43,4.361775,52,4.86,60,5.13,75,5.33,90,5.24,110,5.08,120,4.93,135,4.48,146.6,3.940838,150,3.8
8,41.4,5.105911,52,5.76,60,6.04,75,6.23,90,6.19,110,6.19,120,6.04,135,5.52,150,4.83,150.5,4.814124
10,41.4,5.812473,52,6.36,60,6.53,75,6.66,90,6.68,110,6.78,120,6.71,135,6.4,150,5.74,151.1,5.688409
12,39.6,6.073874,52,6.64,60,6.79,75,6.92,90,6.99,110,7.15,120,7.09,135,6.86,150,6.47,157.4,6.174108
14,38.8,6.159074,52,6.75,60,6.93,75,7.13,90,7.2,110,7.5,120,7.46,135,7.21,150,6.88,170,6.366725
16,38.2,6.184332,52,6.81,60,7,75,7.29,90,7.45,110,7.8,120,7.85,135,7.6,150,7.21,177.2,6.728032
20,38.7,6.201706,52,6.84,60,7.04,75,7.43,90,7.83,110,8.14,120,8.49,135,8.41,150,7.93,178.1,7.354043

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.86	5.13	5.33	5.24	5.08	4.93	4.48	3.8
8	5.76	6.04	6.23	6.19	6.19	6.04	5.52	4.83
10	6.36	6.53	6.66	6.68	6.78	6.71	6.4	5.74
12	6.64	6.79	6.92	6.99	7.15	7.09	6.86	6.47
14	6.75	6.93	7.13	7.2	7.5	7.46	7.21	6.88
16	6.81	7	7.29	7.45	7.8	7.85	7.6	7.21
20	6.84	7.04	7.43	7.83	8.14	8.49	8.41	7.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.19	146.6°	3.29
8	41.4°	3.83	150.5°	4.19
10	41.4°	4.36	151.1°	4.98
12	39.6°	4.68	157.4°	5.7
14	38.8°	4.8	170°	6.27
16	38.2°	4.86	177.2°	6.72
20	38.7°	4.84	178.1°	7.35

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