BEREND BOTJE III — ORC Rating

GPH

657.9

OSN

640

LOA

10.838 m

Displacement

6750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7024

Medium

0.9438

High

1.0812

Triple Offshore

Low

0.9002

Medium

1.1565

High

1.2838

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.

6,42.1,4.447584,52,4.97,60,5.23,75,5.44,90,5.37,110,5.37,120,5.24,135,4.79,146.6,4.252272,150,4.1
8,40.7,5.157397,52,5.84,60,6.13,75,6.34,90,6.32,110,6.47,120,6.36,135,5.87,150,5.1,151.1,5.037326
10,41.2,5.834547,52,6.46,60,6.65,75,6.79,90,6.85,110,7.01,120,6.96,135,6.7,149.7,6.045896,150,6.03
12,40.6,6.176975,52,6.75,60,6.9,75,7.04,90,7.09,110,7.34,120,7.32,135,7.12,150,6.73,157.5,6.418586
14,39.6,6.268549,52,6.88,60,7.05,75,7.23,90,7.31,110,7.61,120,7.66,135,7.45,150,7.11,180,6.53
16,39.2,6.310129,52,6.94,60,7.12,75,7.38,90,7.51,110,7.78,120,7.98,135,7.81,150,7.42,180,6.96
20,40,6.370388,52,6.96,60,7.17,75,7.55,90,7.86,110,8.05,120,8.36,135,8.48,150,8.08,180,7.58

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.97	5.23	5.44	5.37	5.37	5.24	4.79	4.1
8	5.84	6.13	6.34	6.32	6.47	6.36	5.87	5.1
10	6.46	6.65	6.79	6.85	7.01	6.96	6.7	6.03
12	6.75	6.9	7.04	7.09	7.34	7.32	7.12	6.73
14	6.88	7.05	7.23	7.31	7.61	7.66	7.45	7.11
16	6.94	7.12	7.38	7.51	7.78	7.98	7.81	7.42
20	6.96	7.17	7.55	7.86	8.05	8.36	8.48	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.3	146.6°	3.55
8	40.7°	3.91	151.1°	4.41
10	41.2°	4.39	149.7°	5.22
12	40.6°	4.69	157.5°	5.93
14	39.6°	4.83	180°	6.53
16	39.2°	4.89	180°	6.96
20	40°	4.88	180°	7.58

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