ALDAN — ORC Rating | RegattaPages

GPH

598.5

OSN

581.3

LOA

11.924 m

Displacement

7440 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6785

Medium

0.9218

High

1.0616

Triple Offshore

Low

0.8757

Medium

1.1324

High

1.2622

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.43 m
Displacement: 7440 kg
Crew weight: 700 kg
Wetted surface: 31.87 m²

Sails

Mainsail: 46.75 m²
Genoa: 50.04 m²
Spinnaker: 101.23 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 40.7
Builder: BENETAU
Designer: B.FARR
Year built: 1997
Stability index: 118.4

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.

6,42.6,5.012926,52,5.6,60,5.9,75,6.14,90,6.08,110,5.76,120,5.59,135,5.04,144.2,4.524921,150,4.24
8,41.2,5.91429,52,6.64,60,6.91,75,7.1,90,7.08,110,6.99,120,6.82,135,6.21,149.3,5.407906,150,5.37
10,40.2,6.572435,52,7.26,60,7.44,75,7.57,90,7.59,110,7.65,120,7.56,135,7.16,150,6.36,151.1,6.305224
12,38.8,6.787813,52,7.5,60,7.68,75,7.85,90,7.9,110,8.05,120,7.98,135,7.69,150,7.19,155.9,6.890627
14,38.1,6.887481,52,7.59,60,7.79,75,8.05,90,8.18,110,8.42,120,8.4,135,8.08,150,7.69,164.9,7.188189
16,37.8,6.935348,52,7.65,60,7.85,75,8.17,90,8.44,110,8.67,120,8.82,135,8.51,150,8.06,177.2,7.478929
20,37.8,7.023938,52,7.7,60,7.9,75,8.3,90,8.8,110,9.06,120,9.46,135,9.46,150,8.88,179,8.211251

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.6	5.9	6.14	6.08	5.76	5.59	5.04	4.24
8	6.64	6.91	7.1	7.08	6.99	6.82	6.21	5.37
10	7.26	7.44	7.57	7.59	7.65	7.56	7.16	6.36
12	7.5	7.68	7.85	7.9	8.05	7.98	7.69	7.19
14	7.59	7.79	8.05	8.18	8.42	8.4	8.08	7.69
16	7.65	7.85	8.17	8.44	8.67	8.82	8.51	8.06
20	7.7	7.9	8.3	8.8	9.06	9.46	9.46	8.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.69	144.2°	3.67
8	41.2°	4.45	149.3°	4.65
10	40.2°	5.02	151.1°	5.52
12	38.8°	5.29	155.9°	6.29
14	38.1°	5.42	164.9°	6.94
16	37.8°	5.48	177.2°	7.47
20	37.8°	5.55	179°	8.21

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