IMPALA — ORC Rating | RegattaPages

GPH

693.7

OSN

674.7

LOA

8.99 m

Displacement

3712 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6633

Medium

0.8972

High

1.0303

Triple Offshore

Low

0.8542

Medium

1.0958

High

1.2232

Boat Specifications

Dimensions

Length overall: 8.99 m
Beam: 3.25 m
Draft: 1.74 m
Displacement: 3712 kg
Crew weight: 320 kg
Wetted surface: 19.91 m²

Sails

Mainsail: 26.57 m²
Genoa: 26.39 m²
Spinnaker: 51.75 m²
Asymmetric spinnaker: 51.17 m²

Design

Type: FORTUNA 9
Builder: MONOTIPO
Designer: J. VISIERS
Year built: 1989

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.

6,42.4,4.265661,52,4.78,60,5.04,75,5.25,90,5.21,110,5.15,120,4.95,135,4.46,146.5,3.945384,150,3.8
8,41.2,4.983952,52,5.61,60,5.87,75,6.05,90,6.1,110,6.12,120,5.95,135,5.44,150,4.76,152,4.666189
10,40.9,5.583093,52,6.14,60,6.3,75,6.43,90,6.56,110,6.57,120,6.48,135,6.19,150,5.58,154.5,5.384533
12,39,5.841888,52,6.39,60,6.53,75,6.66,90,6.85,110,6.9,120,6.81,135,6.59,150,6.23,166,5.7096
14,38.2,5.942558,52,6.52,60,6.68,75,6.86,90,7.09,110,7.24,120,7.15,135,6.9,150,6.59,180,6.14
16,38.2,6.006183,52,6.58,60,6.77,75,7.03,90,7.22,110,7.58,120,7.52,135,7.23,150,6.88,180,6.52
20,39,6.034902,52,6.61,60,6.82,75,7.23,90,7.55,110,8.07,120,8.2,135,7.93,150,7.53,180,7.1

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.04	5.25	5.21	5.15	4.95	4.46	3.8
8	5.61	5.87	6.05	6.1	6.12	5.95	5.44	4.76
10	6.14	6.3	6.43	6.56	6.57	6.48	6.19	5.58
12	6.39	6.53	6.66	6.85	6.9	6.81	6.59	6.23
14	6.52	6.68	6.86	7.09	7.24	7.15	6.9	6.59
16	6.58	6.77	7.03	7.22	7.58	7.52	7.23	6.88
20	6.61	6.82	7.23	7.55	8.07	8.2	7.93	7.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.15	146.5°	3.29
8	41.2°	3.75	152°	4.12
10	40.9°	4.22	154.5°	4.86
12	39°	4.54	166°	5.54
14	38.2°	4.67	180°	6.14
16	38.2°	4.72	180°	6.52
20	39°	4.69	180°	7.1

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