Miss Helen — ORC Rating

GPH

625.2

OSN

608.1

LOA

10.68 m

Displacement

5652 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7379

Medium

0.9942

High

1.1342

Triple Offshore

Low

0.9484

Medium

1.2171

High

1.3507

Boat Specifications

Dimensions

Length overall: 10.68 m
Beam: 3.46 m
Draft: 2.23 m
Displacement: 5652 kg
Crew weight: 642 kg
Wetted surface: 26.75 m²

Sails

Mainsail: 39.15 m²
Genoa: 41.28 m²
Spinnaker: 82.6 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 36.7
Builder: Beneteau
Designer: Bruce Farr
Year built: 2002

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.

6,42.1,4.811477,52,5.38,60,5.65,75,5.86,90,5.8,110,5.54,120,5.38,135,4.87,145.5,4.331861,150,4.12
8,40.9,5.662473,52,6.36,60,6.61,75,6.77,90,6.75,110,6.69,120,6.52,135,5.97,150,5.19,150.2,5.174209
10,39.9,6.269836,52,6.92,60,7.08,75,7.2,90,7.21,110,7.28,120,7.19,135,6.83,150,6.12,152.1,6.00838
12,38.6,6.474558,52,7.14,60,7.3,75,7.46,90,7.51,110,7.66,120,7.58,135,7.31,150,6.87,157.5,6.537649
14,38,6.535444,52,7.21,60,7.4,75,7.65,90,7.77,110,8.03,120,7.98,135,7.67,150,7.31,180,6.68
16,38.3,6.613349,52,7.25,60,7.44,75,7.77,90,8.02,110,8.33,120,8.39,135,8.07,150,7.64,180,7.17
20,38.6,6.640901,52,7.27,60,7.47,75,7.86,90,8.35,110,8.7,120,9.07,135,8.94,150,8.4,180,7.85

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.65	5.86	5.8	5.54	5.38	4.87	4.12
8	6.36	6.61	6.77	6.75	6.69	6.52	5.97	5.19
10	6.92	7.08	7.2	7.21	7.28	7.19	6.83	6.12
12	7.14	7.3	7.46	7.51	7.66	7.58	7.31	6.87
14	7.21	7.4	7.65	7.77	8.03	7.98	7.67	7.31
16	7.25	7.44	7.77	8.02	8.33	8.39	8.07	7.64
20	7.27	7.47	7.86	8.35	8.7	9.07	8.94	8.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.57	145.5°	3.57
8	40.9°	4.28	150.2°	4.49
10	39.9°	4.81	152.1°	5.31
12	38.6°	5.06	157.5°	6.04
14	38°	5.15	180°	6.68
16	38.3°	5.19	180°	7.17
20	38.6°	5.19	180°	7.85

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