Shadowfax — ORC Rating

GPH

661.2

OSN

643.7

LOA

10.058 m

Displacement

4907 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6213

Medium

0.8358

High

0.9559

Triple Offshore

Low

0.7993

Medium

1.0209

High

1.1345

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: 23.39 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

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.

6,41.2,4.478912,52,5.08,60,5.33,75,5.54,90,5.47,110,5.36,120,5.18,135,4.67,146.5,4.101281,150,3.94
8,40.5,5.260348,52,5.95,60,6.2,75,6.36,90,6.37,110,6.4,120,6.24,135,5.68,150,4.94,152,4.8474
10,40.3,5.874113,52,6.46,60,6.62,75,6.75,90,6.85,110,6.89,120,6.8,135,6.49,150,5.82,152,5.719479
12,39,6.124976,52,6.7,60,6.85,75,6.99,90,7.13,110,7.23,120,7.15,135,6.91,150,6.53,160,6.150948
14,38.2,6.197057,52,6.82,60,7,75,7.19,90,7.3,110,7.57,120,7.5,135,7.23,150,6.91,180,6.41
16,38.2,6.260682,52,6.88,60,7.08,75,7.36,90,7.5,110,7.88,120,7.85,135,7.58,150,7.22,180,6.82
20,39,6.292254,52,6.91,60,7.13,75,7.55,90,7.89,110,8.22,120,8.47,135,8.29,150,7.88,180,7.43

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.08	5.33	5.54	5.47	5.36	5.18	4.67	3.94
8	5.95	6.2	6.36	6.37	6.4	6.24	5.68	4.94
10	6.46	6.62	6.75	6.85	6.89	6.8	6.49	5.82
12	6.7	6.85	6.99	7.13	7.23	7.15	6.91	6.53
14	6.82	7	7.19	7.3	7.57	7.5	7.23	6.91
16	6.88	7.08	7.36	7.5	7.88	7.85	7.58	7.22
20	6.91	7.13	7.55	7.89	8.22	8.47	8.29	7.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.37	146.5°	3.42
8	40.5°	4	152°	4.28
10	40.3°	4.48	152°	5.05
12	39°	4.76	160°	5.78
14	38.2°	4.87	180°	6.41
16	38.2°	4.92	180°	6.82
20	39°	4.89	180°	7.43

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