Ambition — ORC Rating

GPH

690.7

OSN

678.3

LOA

12.41 m

Displacement

5673 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6641

Medium

0.8669

High

1.0033

Triple Offshore

Low

0.8723

Medium

1.0977

High

1.1389

Boat Specifications

Dimensions

Length overall: 12.41 m
Beam: 2.24 m
Draft: 1.57 m
Displacement: 5673 kg
Crew weight: 518 kg
Wetted surface: 23.04 m²

Sails

Mainsail: 47.25 m²
Genoa: 27.09 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: 7 m S
Builder: Anker & Jensen
Designer: Johan Anker
Year built: 1918

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.

6,42.6,4.605371,52,5.15,60,5.45,75,5.73,90,5.72,110,5.24,120,4.96,135,4.25,147.8,3.651648,150,3.57
8,41.2,5.090277,52,5.79,60,6.18,75,6.64,90,6.7,110,6.38,120,6.04,135,5.27,150,4.59,158.2,4.308089
10,40.8,5.336891,52,6.11,60,6.51,75,6.96,90,7.2,110,7.04,120,6.83,135,6.2,150,5.46,169.8,4.8974
12,41.2,5.515574,52,6.29,60,6.68,75,7.11,90,7.41,110,7.42,120,7.25,135,6.88,150,6.3,171.4,5.653567
14,41.7,5.678788,52,6.4,60,6.77,75,7.2,90,7.52,110,7.65,120,7.57,135,7.28,150,6.91,175.6,6.358741
16,42.1,5.83577,52,6.57,60,6.91,75,7.25,90,7.58,110,7.84,120,7.88,135,7.59,150,7.32,178,6.934224
20,42.3,5.921871,52,3.83,60,3.04,75,6.73,90,7.63,110,8.63,120,8.17,135,8.22,150,7.93,176.4,7.665125

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.15	5.45	5.73	5.72	5.24	4.96	4.25	3.57
8	5.79	6.18	6.64	6.7	6.38	6.04	5.27	4.59
10	6.11	6.51	6.96	7.2	7.04	6.83	6.2	5.46
12	6.29	6.68	7.11	7.41	7.42	7.25	6.88	6.3
14	6.4	6.77	7.2	7.52	7.65	7.57	7.28	6.91
16	6.57	6.91	7.25	7.58	7.84	7.88	7.59	7.32
20	3.83	3.04	6.73	7.63	8.63	8.17	8.22	7.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.39	147.8°	3.09
8	41.2°	3.83	158.2°	4
10	40.8°	4.04	169.8°	4.82
12	41.2°	4.15	171.4°	5.59
14	41.7°	4.24	175.6°	6.34
16	42.1°	4.33	178°	6.93
20	42.3°	4.38	176.4°	7.65

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