Moondancer — ORC Rating

GPH

691.9

OSN

665.5

LOA

10.4 m

Displacement

4439 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.558

Medium

0.8006

High

0.9558

Triple Offshore

Low

0.7261

Medium

0.9942

High

1.143

Boat Specifications

Dimensions

Length overall: 10.4 m
Beam: 3.33 m
Draft: 1.94 m
Displacement: 4439 kg
Crew weight: 604 kg
Wetted surface: 24.23 m²

Sails

Mainsail: 29.65 m²
Genoa: 25.58 m²
Spinnaker: 64.24 m²
Asymmetric spinnaker: 0 m²

Design

Type: L34
Builder: John Robertson
Designer: Lavranos
Year built: 1985
Stability index: 116.3

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.

6,44.7,4.093982,52,4.51,60,4.79,75,4.95,90,4.97,110,4.99,120,4.79,135,4.19,146.6,3.665338,150,3.54
8,42.9,4.968992,52,5.51,60,5.78,75,5.96,90,6.08,110,6.13,120,5.93,135,5.34,149.6,4.626014,150,4.61
10,41.2,5.555445,52,6.19,60,6.43,75,6.6,90,6.79,110,6.86,120,6.73,135,6.28,150,5.58,151.4,5.501246
12,39.9,5.996101,52,6.64,60,6.83,75,6.98,90,7.18,110,7.3,120,7.21,135,6.9,150,6.38,157.4,6.054959
14,38.8,6.210399,52,6.89,60,7.07,75,7.25,90,7.42,110,7.67,120,7.59,135,7.31,150,6.92,169.1,6.344462
16,38.4,6.290725,52,7,60,7.21,75,7.46,90,7.55,110,8,120,7.97,135,7.69,150,7.31,177.2,6.778092
20,38.7,6.368281,52,7.08,60,7.31,75,7.69,90,7.95,110,8.47,120,8.71,135,8.48,150,8.02,179,7.501142

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.51	4.79	4.95	4.97	4.99	4.79	4.19	3.54
8	5.51	5.78	5.96	6.08	6.13	5.93	5.34	4.61
10	6.19	6.43	6.6	6.79	6.86	6.73	6.28	5.58
12	6.64	6.83	6.98	7.18	7.3	7.21	6.9	6.38
14	6.89	7.07	7.25	7.42	7.67	7.59	7.31	6.92
16	7	7.21	7.46	7.55	8	7.97	7.69	7.31
20	7.08	7.31	7.69	7.95	8.47	8.71	8.48	8.02

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	2.91	146.6°	3.06
8	42.9°	3.64	149.6°	3.99
10	41.2°	4.18	151.4°	4.83
12	39.9°	4.6	157.4°	5.59
14	38.8°	4.84	169.1°	6.23
16	38.4°	4.93	177.2°	6.77
20	38.7°	4.97	179°	7.5

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