BANA BIOLETTA 4 — ORC Rating

GPH

536.1

OSN

524

LOA

12.49 m

Displacement

5846 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.789

Medium

1.017

High

1.1536

Triple Offshore

Low

1.0102

Medium

1.2445

High

1.3877

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: 31.07 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
Stability index: 127.7

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.

6,41.8,5.955926,52,6.65,60,6.95,75,7.14,90,7.01,110,6.64,120,6.44,135,5.79,141.5,5.36667,150,4.85
8,39,6.69115,52,7.49,60,7.71,75,7.86,90,7.81,110,7.75,120,7.65,135,7.12,145.6,6.387,150,6.08
10,37.2,6.955169,52,7.81,60,8.03,75,8.26,90,8.29,110,8.36,120,8.32,135,7.93,150,7.15,150.9,7.084226
12,37,7.174737,52,7.98,60,8.21,75,8.54,90,8.7,110,8.79,120,8.91,135,8.53,150,7.9,157.4,7.52808
14,36.7,7.283833,52,8.09,60,8.34,75,8.74,90,9.04,110,9.13,120,9.45,135,9.17,150,8.47,166.4,7.788378
16,36.4,7.355008,52,8.18,60,8.44,75,8.89,90,9.3,110,9.44,120,9.9,135,9.91,150,9.07,175.4,8.156272
20,36.6,7.423854,52,8.26,60,8.57,75,9.1,90,9.69,110,10.23,120,10.73,135,11.75,150,10.62,155,10.173144

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.65	6.95	7.14	7.01	6.64	6.44	5.79	4.85
8	7.49	7.71	7.86	7.81	7.75	7.65	7.12	6.08
10	7.81	8.03	8.26	8.29	8.36	8.32	7.93	7.15
12	7.98	8.21	8.54	8.7	8.79	8.91	8.53	7.9
14	8.09	8.34	8.74	9.04	9.13	9.45	9.17	8.47
16	8.18	8.44	8.89	9.3	9.44	9.9	9.91	9.07
20	8.26	8.57	9.1	9.69	10.23	10.73	11.75	10.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	4.44	141.5°	4.2
8	39°	5.2	145.6°	5.27
10	37.2°	5.54	150.9°	6.19
12	37°	5.73	157.4°	6.95
14	36.7°	5.84	166.4°	7.57
16	36.4°	5.92	175.4°	8.13
20	36.6°	5.96	155°	9.22

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