Rep & Roer — ORC Rating

GPH

605.1

OSN

586.7

LOA

10.98 m

Displacement

5032 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6647

Medium

0.9149

High

1.0622

Triple Offshore

Low

0.8602

Medium

1.1206

High

1.269

Boat Specifications

Dimensions

Length overall: 10.98 m
Beam: 3.41 m
Draft: 2.27 m
Displacement: 5032 kg
Crew weight: 681 kg
Wetted surface: 27.16 m²

Sails

Mainsail: 36.03 m²
Genoa: 27.42 m²
Spinnaker: 95.21 m²
Asymmetric spinnaker: 111.79 m²

Design

Type: BH 36
Builder: West Custom Marine
Designer: Ian Murray
Year built: 1995

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.

6,42.8,4.702003,52,5.26,60,5.55,75,5.77,90,5.89,110,5.99,120,5.83,135,5.22,140.7,4.923497,150,4.4
8,40.9,5.543402,52,6.25,60,6.54,75,6.76,90,7.02,110,7.13,120,7.01,135,6.46,148,5.577514,150,5.47
10,40.1,6.275155,52,6.95,60,7.14,75,7.28,90,7.51,110,7.67,120,7.59,135,7.28,148.5,6.614748,150,6.51
12,38.2,6.629706,52,7.29,60,7.45,75,7.59,90,7.71,110,8.11,120,8.08,135,7.76,150,7.28,157,6.952706
14,37.1,6.732834,52,7.46,60,7.64,75,7.87,90,7.92,110,8.49,120,8.61,135,8.26,150,7.72,173,7.042494
16,37.1,6.820599,52,7.52,60,7.74,75,8.1,90,8.25,110,8.77,120,9.14,135,8.83,150,8.17,180,7.48
20,36.4,6.907744,52,7.58,60,7.81,75,8.34,90,8.84,110,9.3,120,9.88,135,10.26,150,9.26,180,8.33

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.26	5.55	5.77	5.89	5.99	5.83	5.22	4.4
8	6.25	6.54	6.76	7.02	7.13	7.01	6.46	5.47
10	6.95	7.14	7.28	7.51	7.67	7.59	7.28	6.51
12	7.29	7.45	7.59	7.71	8.11	8.08	7.76	7.28
14	7.46	7.64	7.87	7.92	8.49	8.61	8.26	7.72
16	7.52	7.74	8.1	8.25	8.77	9.14	8.83	8.17
20	7.58	7.81	8.34	8.84	9.3	9.88	10.26	9.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.45	140.7°	3.81
8	40.9°	4.19	148°	4.73
10	40.1°	4.8	148.5°	5.64
12	38.2°	5.21	157°	6.4
14	37.1°	5.37	173°	6.99
16	37.1°	5.44	180°	7.48
20	36.4°	5.56	180°	8.33

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