Shadowfax — ORC Rating

GPH

663.8

OSN

644.9

LOA

10.058 m

Displacement

4907 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6168

Medium

0.8342

High

0.9572

Triple Offshore

Low

0.7936

Medium

1.0185

High

1.133

Boat Specifications

Dimensions

Length overall: 10.058 m
Beam: 3.44 m
Draft: 1.92 m
Displacement: 4907 kg
Crew weight: 470 kg
Wetted surface: 23.25 m²

Sails

Mainsail: 35.37 m²
Genoa: 28.98 m²
Spinnaker: 66.7 m²
Asymmetric spinnaker: 0 m²

Design

Type: Charger 33
Builder: Ton Cup Yacht
Designer: Lavranos
Year built: 1982
Stability index: 110.9

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.

6,41.8,4.493773,52,5.04,60,5.29,75,5.49,90,5.41,110,5.33,120,5.14,135,4.63,146,4.077017,150,3.9
8,40.8,5.25763,52,5.92,60,6.17,75,6.33,90,6.35,110,6.38,120,6.21,135,5.64,150,4.91,152,4.824748
10,40.5,5.878439,52,6.45,60,6.61,75,6.73,90,6.84,110,6.88,120,6.79,135,6.47,150,5.81,152.3,5.692383
12,38.8,6.094917,52,6.7,60,6.84,75,6.98,90,7.13,110,7.22,120,7.14,135,6.9,150,6.52,159.5,6.170782
14,38.4,6.214164,52,6.82,60,6.99,75,7.18,90,7.29,110,7.56,120,7.49,135,7.23,150,6.91,174.8,6.406366
16,38.2,6.273407,52,6.88,60,7.08,75,7.36,90,7.5,110,7.87,120,7.84,135,7.59,150,7.23,179,6.801036
20,38.2,6.273407,52,6.92,60,7.15,75,7.56,90,7.89,110,8.21,120,8.46,135,8.29,150,7.91,179,7.42113

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.04	5.29	5.49	5.41	5.33	5.14	4.63	3.9
8	5.92	6.17	6.33	6.35	6.38	6.21	5.64	4.91
10	6.45	6.61	6.73	6.84	6.88	6.79	6.47	5.81
12	6.7	6.84	6.98	7.13	7.22	7.14	6.9	6.52
14	6.82	6.99	7.18	7.29	7.56	7.49	7.23	6.91
16	6.88	7.08	7.36	7.5	7.87	7.84	7.59	7.23
20	6.92	7.15	7.56	7.89	8.21	8.46	8.29	7.91

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.35	146°	3.38
8	40.8°	3.98	152°	4.26
10	40.5°	4.47	152.3°	5.04
12	38.8°	4.75	159.5°	5.78
14	38.4°	4.87	174.8°	6.38
16	38.2°	4.93	179°	6.8
20	38.2°	4.93	179°	7.42

Loading polar chart…