BANA BIOLETTA 4 — ORC Rating

GPH

536.4

OSN

524.3

LOA

12.49 m

Displacement

5846 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7885

Medium

1.0167

High

1.1558

Triple Offshore

Low

1.0096

Medium

1.2436

High

1.3878

Boat Specifications

Dimensions

Length overall: 12.49 m
Beam: 3.96 m
Draft: 2.58 m
Displacement: 5846 kg
Crew weight: 780 kg
Wetted surface: 31.19 m²

Sails

Mainsail: 66.17 m²
Genoa: 48.6 m²
Spinnaker: 138.12 m²
Asymmetric spinnaker: 0 m²

Design

Type: ILC 40
Builder: COOKSON
Designer: B. FARR
Year built: 1995

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.

6,41.9,5.965244,52,6.64,60,6.94,75,7.13,90,7,110,6.64,120,6.44,135,5.79,141.4,5.374139,150,4.85
8,39,6.704017,52,7.49,60,7.71,75,7.86,90,7.81,110,7.75,120,7.65,135,7.11,145.3,6.397906,150,6.07
10,37.3,6.976977,52,7.81,60,8.03,75,8.26,90,8.28,110,8.35,120,8.31,135,7.93,150,7.14,150.8,7.091125
12,37,7.174737,52,7.98,60,8.21,75,8.53,90,8.69,110,8.78,120,8.89,135,8.52,150,7.89,156.8,7.550575
14,36.5,7.277415,52,8.08,60,8.33,75,8.71,90,9.02,110,9.1,120,9.43,135,9.15,150,8.45,165.9,7.794843
16,36.2,7.348565,52,8.17,60,8.44,75,8.87,90,9.28,110,9.41,120,9.86,135,9.88,150,9.05,175.4,8.136208
20,36.1,7.450588,52,8.29,60,8.59,75,9.11,90,9.69,110,10.2,120,10.68,135,11.69,150,10.56,172.1,9.278054
24,37.6,7.472015,52,8.3,60,8.64,75,9.25,90,10.01,110,11.02,120,11.49,135,13.34,145.6,13.58601,150,12.94

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.64	6.94	7.13	7	6.64	6.44	5.79	4.85
8	7.49	7.71	7.86	7.81	7.75	7.65	7.11	6.07
10	7.81	8.03	8.26	8.28	8.35	8.31	7.93	7.14
12	7.98	8.21	8.53	8.69	8.78	8.89	8.52	7.89
14	8.08	8.33	8.71	9.02	9.1	9.43	9.15	8.45
16	8.17	8.44	8.87	9.28	9.41	9.86	9.88	9.05
20	8.29	8.59	9.11	9.69	10.2	10.68	11.69	10.56
24	8.3	8.64	9.25	10.01	11.02	11.49	13.34	12.94

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.9°	4.44	141.4°	4.2
8	39°	5.21	145.3°	5.26
10	37.3°	5.55	150.8°	6.19
12	37°	5.73	156.8°	6.94
14	36.5°	5.85	165.9°	7.56
16	36.2°	5.93	175.4°	8.11
20	36.1°	6.02	172.1°	9.19
24	37.6°	5.92	145.6°	11.21

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