BRADA — ORC Rating | RegattaPages

GPH

632.9

OSN

615.3

LOA

12.05 m

Displacement

9078 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7228

Medium

0.9739

High

1.1287

Triple Offshore

Low

0.9297

Medium

1.2042

High

1.3476

Boat Specifications

Dimensions

Length overall: 12.05 m
Beam: 4.08 m
Draft: 2.06 m
Displacement: 9078 kg
Crew weight: 600 kg
Wetted surface: 31.81 m²

Sails

Mainsail: 36.63 m²
Genoa: 55.23 m²
Spinnaker: 109.65 m²
Asymmetric spinnaker: 0 m²

Design

Type: ATLANTIC 40
Builder: CONRAD (DANZIG)
Designer: JUDEL/VROLIJK
Year built: 1989

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.

6,42.9,4.68232,52,5.21,60,5.48,75,5.7,90,5.65,110,5.45,120,5.32,135,4.87,146,4.330322,150,4.14
8,41.5,5.447585,52,6.13,60,6.45,75,6.7,90,6.66,110,6.63,120,6.47,135,5.95,150,5.2,150.4,5.186919
10,41.6,6.111275,52,6.82,60,7.05,75,7.22,90,7.23,110,7.33,120,7.25,135,6.89,150,6.11,151.4,6.036564
12,41.6,6.525826,52,7.13,60,7.32,75,7.48,90,7.54,110,7.68,120,7.64,135,7.41,150,6.91,154.6,6.697402
14,40.6,6.651114,52,7.28,60,7.48,75,7.67,90,7.76,110,7.98,120,7.97,135,7.75,150,7.4,169.8,6.787269
16,40,6.709793,52,7.36,60,7.57,75,7.83,90,7.96,110,8.25,120,8.29,135,8.06,150,7.72,180,7.22
20,40.4,6.78889,52,7.42,60,7.65,75,8.04,90,8.33,110,8.54,120,8.87,135,8.77,150,8.33,180,7.85

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.21	5.48	5.7	5.65	5.45	5.32	4.87	4.14
8	6.13	6.45	6.7	6.66	6.63	6.47	5.95	5.2
10	6.82	7.05	7.22	7.23	7.33	7.25	6.89	6.11
12	7.13	7.32	7.48	7.54	7.68	7.64	7.41	6.91
14	7.28	7.48	7.67	7.76	7.98	7.97	7.75	7.4
16	7.36	7.57	7.83	7.96	8.25	8.29	8.06	7.72
20	7.42	7.65	8.04	8.33	8.54	8.87	8.77	8.33

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.43	146°	3.59
8	41.5°	4.08	150.4°	4.51
10	41.6°	4.57	151.4°	5.3
12	41.6°	4.88	154.6°	6.05
14	40.6°	5.05	169.8°	6.68
16	40°	5.14	180°	7.22
20	40.4°	5.17	180°	7.85

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