BATAAF — ORC Rating | RegattaPages

GPH

635.1

OSN

617.2

LOA

11.915 m

Displacement

7870 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6576

Medium

0.8716

High

0.9926

Triple Offshore

Low

0.8388

Medium

1.0607

High

1.1696

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: 29.74 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
Stability index: 123.8

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.

6,42.4,4.875041,52,5.42,60,5.67,75,5.81,90,5.7,110,5.44,120,5.31,135,4.83,145.7,4.32152,150,4.12
8,40.6,5.636984,52,6.28,60,6.47,75,6.59,90,6.54,110,6.51,120,6.41,135,5.95,150,5.21,150.2,5.197257
10,39.6,6.09983,52,6.73,60,6.89,75,7,90,7.01,110,7.1,120,7.05,135,6.76,150,6.13,152.3,6.008627
12,39,6.317989,52,6.96,60,7.11,75,7.26,90,7.29,110,7.45,120,7.44,135,7.24,150,6.82,158.3,6.479162
14,38.2,6.400656,52,7.07,60,7.24,75,7.43,90,7.51,110,7.72,120,7.76,135,7.59,150,7.25,170,6.691661
16,38.1,6.48084,52,7.13,60,7.31,75,7.55,90,7.69,110,7.92,120,8.03,135,7.92,150,7.58,177.2,7.058427
20,38.1,6.544378,52,7.2,60,7.38,75,7.7,90,7.95,110,8.19,120,8.5,135,8.56,150,8.19,179,7.701173

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.42	5.67	5.81	5.7	5.44	5.31	4.83	4.12
8	6.28	6.47	6.59	6.54	6.51	6.41	5.95	5.21
10	6.73	6.89	7	7.01	7.1	7.05	6.76	6.13
12	6.96	7.11	7.26	7.29	7.45	7.44	7.24	6.82
14	7.07	7.24	7.43	7.51	7.72	7.76	7.59	7.25
16	7.13	7.31	7.55	7.69	7.92	8.03	7.92	7.58
20	7.2	7.38	7.7	7.95	8.19	8.5	8.56	8.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.6	145.7°	3.57
8	40.6°	4.28	150.2°	4.51
10	39.6°	4.7	152.3°	5.32
12	39°	4.91	158.3°	6.02
14	38.2°	5.03	170°	6.59
16	38.1°	5.1	177.2°	7.05
20	38.1°	5.15	179°	7.7

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