CAPTAIN SPARROW — ORC Rating

GPH

639.4

OSN

622.9

LOA

10.37 m

Displacement

3562 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6432

Medium

0.8631

High

0.9799

Triple Offshore

Low

0.8283

Medium

1.0556

High

1.1734

Boat Specifications

Dimensions

Length overall: 10.37 m
Beam: 3.41 m
Draft: 1.83 m
Displacement: 3562 kg
Crew weight: 515 kg
Wetted surface: 21.4 m²

Sails

Mainsail: 37.59 m²
Genoa: 23.84 m²
Spinnaker: 67.75 m²
Asymmetric spinnaker: 0 m²

Design

Type: DB2 POSITRON
Builder: DEHLER
Designer: VAN DE STADT
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.

6,42,4.655889,52,5.21,60,5.5,75,5.72,90,5.65,110,5.6,120,5.4,135,4.85,146,4.282074,150,4.1
8,41.6,5.549626,52,6.19,60,6.41,75,6.56,90,6.62,110,6.65,120,6.49,135,5.98,150,5.149964
10,39.6,6.034938,52,6.65,60,6.81,75,6.95,90,7.06,110,7.15,120,7.06,135,6.73,150,6.1,152,5.991296
12,38.8,6.223231,52,6.84,60,7.02,75,7.22,90,7.31,110,7.59,120,7.51,135,7.18,150,6.76,161,6.3563
14,38.4,6.290725,52,6.92,60,7.14,75,7.45,90,7.61,110,7.97,120,7.95,135,7.63,150,7.18,180,6.62
16,38.2,6.311582,52,6.96,60,7.21,75,7.61,90,7.88,110,8.23,120,8.37,135,8.07,150,7.59,180,7.05
20,38.6,6.384989,52,7.04,60,7.27,75,7.74,90,8.23,110,8.62,120,9.05,135,9.07,150,8.44,180,7.84

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.21	5.5	5.72	5.65	5.6	5.4	4.85	4.1
8	6.19	6.41	6.56	6.62	6.65	6.49	5.98	5.15
10	6.65	6.81	6.95	7.06	7.15	7.06	6.73	6.1
12	6.84	7.02	7.22	7.31	7.59	7.51	7.18	6.76
14	6.92	7.14	7.45	7.61	7.97	7.95	7.63	7.18
16	6.96	7.21	7.61	7.88	8.23	8.37	8.07	7.59
20	7.04	7.27	7.74	8.23	8.62	9.05	9.07	8.44

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.46	146°	3.55
8	41.6°	4.15	150°	4.46
10	39.6°	4.65	152°	5.29
12	38.8°	4.85	161°	6.01
14	38.4°	4.93	180°	6.62
16	38.2°	4.96	180°	7.05
20	38.6°	4.99	180°	7.84

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