Fortissimo 2 — ORC Rating

GPH

530.8

OSN

516.4

LOA

11.3 m

Displacement

3533 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7758

Medium

1.0174

High

1.1787

Triple Offshore

Low

0.9976

Medium

1.2659

High

1.4529

Boat Specifications

Dimensions

Length overall: 11.3 m
Beam: 3.65 m
Draft: 2.51 m
Displacement: 3533 kg
Crew weight: 721 kg
Wetted surface: 27.98 m²

Sails

Mainsail: 49.47 m²
Genoa: 34.45 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 149.91 m²

Design

Type: IC-37
Builder: Melges
Designer: Mills
Year built: 2017

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.

6,42.9,5.665197,52,6.3,60,6.62,75,6.85,90,6.88,110,6.72,120,6.57,135,5.87,142.2,5.391347,150,4.92
8,40.4,6.578789,52,7.36,60,7.6,75,7.75,90,7.9,110,7.89,120,7.84,135,7.37,144.9,6.636927,150,6.27
10,38.7,6.944886,52,7.79,60,8.06,75,8.34,90,8.51,110,8.62,120,8.7,135,8.27,149.2,7.43923,150,7.38
12,38.5,7.168338,52,7.99,60,8.31,75,8.79,90,8.94,110,9.4,120,9.49,135,9.15,150,8.22,150.8,8.156513
14,38.2,7.278679,52,8.13,60,8.49,75,9.06,90,9.51,110,10.13,120,10.09,135,10.2,148.2,9.142331,150,8.98
16,38,7.360306,52,8.24,60,8.63,75,9.28,90,9.92,110,10.68,120,11.08,135,11.39,146.2,10.361204,150,9.94
20,38.4,7.451893,52,8.36,60,8.8,75,9.57,90,10.51,110,11.62,120,12.66,135,13.36,143.8,13.457911,150,12.53
24,39.8,7.458184,52,8.34,60,8.82,75,9.73,90,10.94,110,12.53,120,13.94,135,15.85,147.7,16.562915,150,16.17

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.3	6.62	6.85	6.88	6.72	6.57	5.87	4.92
8	7.36	7.6	7.75	7.9	7.89	7.84	7.37	6.27
10	7.79	8.06	8.34	8.51	8.62	8.7	8.27	7.38
12	7.99	8.31	8.79	8.94	9.4	9.49	9.15	8.22
14	8.13	8.49	9.06	9.51	10.13	10.09	10.2	8.98
16	8.24	8.63	9.28	9.92	10.68	11.08	11.39	9.94
20	8.36	8.8	9.57	10.51	11.62	12.66	13.36	12.53
24	8.34	8.82	9.73	10.94	12.53	13.94	15.85	16.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	4.15	142.2°	4.26
8	40.4°	5.01	144.9°	5.43
10	38.7°	5.42	149.2°	6.39
12	38.5°	5.61	150.8°	7.12
14	38.2°	5.72	148.2°	7.77
16	38°	5.8	146.2°	8.61
20	38.4°	5.84	143.8°	10.86
24	39.8°	5.73	147.7°	14

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