BEREND BOTJE III — ORC Rating

GPH

659.4

OSN

641

LOA

10.838 m

Displacement

6750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7013

Medium

0.942

High

1.0785

Triple Offshore

Low

0.8965

Medium

1.1548

High

1.282

Boat Specifications

Dimensions

Length overall: 10.838 m
Beam: 3.56 m
Draft: 2 m
Displacement: 6750 kg
Crew weight: 596 kg
Wetted surface: 26.84 m²

Sails

Mainsail: 31.47 m²
Genoa: 45.03 m²
Spinnaker: 108.08 m²
Asymmetric spinnaker: 0 m²

Design

Type: High Tension 36
Builder: S.O.S.
Designer: Jac. de Ridder
Year built: 1976

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.

6,42.1,4.434107,52,4.94,60,5.17,75,5.35,90,5.3,110,5.33,120,5.21,135,4.77,146.9,4.225762,150,4.09
8,40.7,5.144207,52,5.82,60,6.1,75,6.29,90,6.27,110,6.46,120,6.34,135,5.85,150,5.09,151.2,5.032485
10,41.3,5.830173,52,6.46,60,6.65,75,6.78,90,6.85,110,7.01,120,6.96,135,6.69,150,6.01599
12,40.9,6.178446,52,6.74,60,6.9,75,7.04,90,7.08,110,7.34,120,7.32,135,7.11,150,6.73,157.5,6.418586
14,39.9,6.269836,52,6.87,60,7.05,75,7.23,90,7.31,110,7.61,120,7.66,135,7.45,150,7.11,180,6.52
16,39.6,6.333441,52,6.93,60,7.12,75,7.38,90,7.51,110,7.78,120,7.98,135,7.8,150,7.42,180,6.96
20,40.3,6.372364,52,6.96,60,7.17,75,7.54,90,7.86,110,8.06,120,8.36,135,8.48,150,8.08,180,7.58

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.17	5.35	5.3	5.33	5.21	4.77	4.09
8	5.82	6.1	6.29	6.27	6.46	6.34	5.85	5.09
10	6.46	6.65	6.78	6.85	7.01	6.96	6.69	6.02
12	6.74	6.9	7.04	7.08	7.34	7.32	7.11	6.73
14	6.87	7.05	7.23	7.31	7.61	7.66	7.45	7.11
16	6.93	7.12	7.38	7.51	7.78	7.98	7.8	7.42
20	6.96	7.17	7.54	7.86	8.06	8.36	8.48	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.29	146.9°	3.54
8	40.7°	3.9	151.2°	4.41
10	41.3°	4.38	150°	5.21
12	40.9°	4.67	157.5°	5.93
14	39.9°	4.81	180°	6.52
16	39.6°	4.88	180°	6.96
20	40.3°	4.86	180°	7.58

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