BATAAF — ORC Rating | RegattaPages

GPH

634.8

OSN

618.1

LOA

11.915 m

Displacement

7870 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6503

Medium

0.8678

High

0.9913

Triple Offshore

Low

0.8339

Medium

1.0629

High

1.177

Boat Specifications

Dimensions

Length overall: 11.915 m
Beam: 3.85 m
Draft: 2.1 m
Displacement: 7870 kg
Crew weight: 560 kg
Wetted surface: 29.87 m²

Sails

Mainsail: 32.58 m²
Genoa: 64.41 m²
Spinnaker: 122.55 m²
Asymmetric spinnaker: 0 m²

Design

Type: Baltic 39 SD
Builder: Baltic Yachts
Designer: C & C
Year built: 1977

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.

6,42.2,4.724593,52,5.27,60,5.55,75,5.77,90,5.73,110,5.45,120,5.33,135,4.88,146,4.366509,150,4.18
8,41.2,5.502283,52,6.21,60,6.48,75,6.66,90,6.66,110,6.59,120,6.48,135,5.98,150,5.22,151,5.16796
10,41.6,6.191511,52,6.77,60,6.94,75,7.07,90,7.1,110,7.18,120,7.12,135,6.84,150,6.143007
12,40.1,6.392814,52,7,60,7.17,75,7.32,90,7.37,110,7.53,120,7.5,135,7.29,150,6.87,157,6.561617
14,39.4,6.496418,52,7.11,60,7.29,75,7.5,90,7.59,110,7.83,120,7.85,135,7.63,150,7.28,175,6.665364
16,39,6.549606,52,7.16,60,7.36,75,7.64,90,7.8,110,8.03,120,8.19,135,7.99,150,7.59,180,7.11
20,39.4,6.561123,52,7.19,60,7.41,75,7.78,90,8.14,110,8.33,120,8.63,135,8.69,150,8.26,180,7.75

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.27	5.55	5.77	5.73	5.45	5.33	4.88	4.18
8	6.21	6.48	6.66	6.66	6.59	6.48	5.98	5.22
10	6.77	6.94	7.07	7.1	7.18	7.12	6.84	6.14
12	7	7.17	7.32	7.37	7.53	7.5	7.29	6.87
14	7.11	7.29	7.5	7.59	7.83	7.85	7.63	7.28
16	7.16	7.36	7.64	7.8	8.03	8.19	7.99	7.59
20	7.19	7.41	7.78	8.14	8.33	8.63	8.69	8.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.5	146°	3.62
8	41.2°	4.14	151°	4.52
10	41.6°	4.63	150°	5.32
12	40.1°	4.89	157°	6.04
14	39.4°	5.02	175°	6.64
16	39°	5.09	180°	7.11
20	39.4°	5.07	180°	7.75

Loading polar chart…