ALDAN — ORC Rating | RegattaPages

GPH

595.2

OSN

578.2

LOA

11.924 m

Displacement

7440 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6907

Medium

0.9269

High

1.0613

Triple Offshore

Low

0.8878

Medium

1.1353

High

1.2604

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: 31.86 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.

6,42.4,5.213585,52,5.81,60,6.08,75,6.25,90,6.13,110,5.77,120,5.59,135,5.01,143.4,4.534032,150,4.2
8,40.2,6.061828,52,6.77,60,6.98,75,7.11,90,7.06,110,6.95,120,6.8,135,6.22,148.4,5.459496,150,5.37
10,38.8,6.544016,52,7.27,60,7.45,75,7.57,90,7.57,110,7.63,120,7.54,135,7.12,150,6.37,152,6.263112
12,37.8,6.732856,52,7.49,60,7.68,75,7.85,90,7.91,110,8.04,120,7.99,135,7.68,150,7.16,156.8,6.832508
14,37.5,6.844365,52,7.59,60,7.79,75,8.04,90,8.17,110,8.38,120,8.39,135,8.1,150,7.68,165.5,7.137341
16,37,6.874225,52,7.66,60,7.86,75,8.16,90,8.4,110,8.64,120,8.75,135,8.51,150,8.07,177.2,7.468917
20,37.6,6.979771,52,7.72,60,7.94,75,8.31,90,8.7,110,8.99,120,9.37,135,9.37,150,8.85,179,8.231254

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.81	6.08	6.25	6.13	5.77	5.59	5.01	4.2
8	6.77	6.98	7.11	7.06	6.95	6.8	6.22	5.37
10	7.27	7.45	7.57	7.57	7.63	7.54	7.12	6.37
12	7.49	7.68	7.85	7.91	8.04	7.99	7.68	7.16
14	7.59	7.79	8.04	8.17	8.38	8.39	8.1	7.68
16	7.66	7.86	8.16	8.4	8.64	8.75	8.51	8.07
20	7.72	7.94	8.31	8.7	8.99	9.37	9.37	8.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.85	143.4°	3.64
8	40.2°	4.63	148.4°	4.65
10	38.8°	5.1	152°	5.53
12	37.8°	5.32	156.8°	6.28
14	37.5°	5.43	165.5°	6.91
16	37°	5.49	177.2°	7.46
20	37.6°	5.53	179°	8.23

Loading polar chart…