Miss Helen — ORC Rating

GPH

623

OSN

606.5

LOA

10.68 m

Displacement

5679 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6575

Medium

0.8858

High

1.0114

Triple Offshore

Low

0.8471

Medium

1.0848

High

1.2044

Boat Specifications

Dimensions

Length overall: 10.68 m
Beam: 3.46 m
Draft: 2.23 m
Displacement: 5679 kg
Crew weight: 644 kg
Wetted surface: 26.75 m²

Sails

Mainsail: 39.19 m²
Genoa: 41.29 m²
Spinnaker: 82.93 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.

6,42.4,4.847957,52,5.42,60,5.71,75,5.95,90,5.89,110,5.59,120,5.42,135,4.9,145,4.370373,150,4.14
8,40.9,5.675703,52,6.38,60,6.63,75,6.81,90,6.79,110,6.72,120,6.56,135,6,150,5.207699
10,39.8,6.273726,52,6.94,60,7.1,75,7.22,90,7.23,110,7.3,120,7.21,135,6.85,150,6.13,152,6.025273
12,38.6,6.487354,52,7.16,60,7.33,75,7.49,90,7.52,110,7.68,120,7.6,135,7.33,150,6.88,157.5,6.548473
14,37.9,6.539227,52,7.24,60,7.42,75,7.68,90,7.79,110,8.05,120,8,135,7.69,150,7.32,180,6.69
16,38.2,6.629706,52,7.28,60,7.47,75,7.79,90,8.04,110,8.34,120,8.41,135,8.09,150,7.66,180,7.18
20,38.6,6.666492,52,7.3,60,7.5,75,7.89,90,8.36,110,8.71,120,9.09,135,8.96,150,8.43,180,7.87

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.42	5.71	5.95	5.89	5.59	5.42	4.9	4.14
8	6.38	6.63	6.81	6.79	6.72	6.56	6	5.2
10	6.94	7.1	7.22	7.23	7.3	7.21	6.85	6.13
12	7.16	7.33	7.49	7.52	7.68	7.6	7.33	6.88
14	7.24	7.42	7.68	7.79	8.05	8	7.69	7.32
16	7.28	7.47	7.79	8.04	8.34	8.41	8.09	7.66
20	7.3	7.5	7.89	8.36	8.71	9.09	8.96	8.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.58	145°	3.58
8	40.9°	4.29	150°	4.51
10	39.8°	4.82	152°	5.32
12	38.6°	5.07	157.5°	6.05
14	37.9°	5.16	180°	6.69
16	38.2°	5.21	180°	7.18
20	38.6°	5.21	180°	7.87

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