DORADO — ORC Rating | RegattaPages

GPH

752.6

OSN

732.8

LOA

6.854 m

Displacement

762 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5666

Medium

0.7367

High

0.8122

Triple Offshore

Low

0.7198

Medium

0.888

High

0.977

Boat Specifications

Dimensions

Length overall: 6.854 m
Beam: 2.5 m
Draft: 1.18 m
Displacement: 762 kg
Crew weight: 300 kg
Wetted surface: 8.59 m²

Sails

Mainsail: 13.76 m²
Genoa: 9.18 m²
Spinnaker: 35.12 m²
Asymmetric spinnaker: 0 m²

Design

Type: DECISION 21
Builder: SASANKA YACHTS
Designer: Andrzej Skrzat
Year built: 2005
Stability index: 105

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.

6,42.6,4.007624,52,4.45,60,4.65,75,4.78,90,4.92,110,4.99,120,4.85,135,4.41,147.8,3.840731,150,3.76
8,41.1,4.65787,52,5.13,60,5.27,75,5.35,90,5.55,110,5.64,120,5.56,135,5.23,150,4.69,152.3,4.596826
10,38.8,4.965753,52,5.45,60,5.58,75,5.69,90,5.82,110,6.06,120,6,135,5.76,150,5.37,159.7,5.043241
12,37.6,5.06128,52,5.59,60,5.74,75,5.93,90,5.98,110,6.39,120,6.43,135,6.17,150,5.83,173.6,5.3433
14,37.8,5.100265,52,5.64,60,5.82,75,6.09,90,6.24,110,6.64,120,6.84,135,6.6,150,6.21,177.2,5.726837
16,38.2,5.115435,52,5.67,60,5.87,75,6.2,90,6.46,110,6.86,120,7.24,135,7.15,150,6.61,178.1,6.083345
20,40.2,5.13226,52,5.66,60,5.89,75,6.3,90,6.75,110,7.29,120,8.06,135,9.38,139.6,9.113133,150,8.01

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.45	4.65	4.78	4.92	4.99	4.85	4.41	3.76
8	5.13	5.27	5.35	5.55	5.64	5.56	5.23	4.69
10	5.45	5.58	5.69	5.82	6.06	6	5.76	5.37
12	5.59	5.74	5.93	5.98	6.39	6.43	6.17	5.83
14	5.64	5.82	6.09	6.24	6.64	6.84	6.6	6.21
16	5.67	5.87	6.2	6.46	6.86	7.24	7.15	6.61
20	5.66	5.89	6.3	6.75	7.29	8.06	9.38	8.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	2.95	147.8°	3.25
8	41.1°	3.51	152.3°	4.07
10	38.8°	3.87	159.7°	4.73
12	37.6°	4.01	173.6°	5.31
14	37.8°	4.03	177.2°	5.72
16	38.2°	4.02	178.1°	6.08
20	40.2°	3.92	139.6°	6.94

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