QUATRAILLE — ORC Rating

GPH

547.1

OSN

532.3

LOA

12.84 m

Displacement

7530 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8396

Medium

1.127

High

1.2741

Triple Offshore

Low

1.0857

Medium

1.3903

High

1.5469

Boat Specifications

Dimensions

Length overall: 12.84 m
Beam: 3.8 m
Draft: 2.61 m
Displacement: 7530 kg
Crew weight: 700 kg
Wetted surface: 36.06 m²

Sails

Mainsail: 58.65 m²
Genoa: 44.77 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 183.54 m²

Design

Type: SLY 42
Builder: SLY YACHTS
Designer: LOSTUZZI
Year built: 2007

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.

6,42.7,5.293132,52,5.93,60,6.28,75,6.57,90,6.51,110,6.66,120,6.5,135,5.81,142.8,5.297981,150,4.88
8,41.2,6.326297,52,7.12,60,7.43,75,7.66,90,7.74,110,7.91,120,7.82,135,7.27,145.5,6.41892,150,6.11
10,39.9,7.012832,52,7.8,60,8.02,75,8.19,90,8.15,110,8.48,120,8.45,135,8.11,147.8,7.409656,150,7.24
12,38.5,7.206672,52,8.03,60,8.26,75,8.51,90,8.52,110,8.79,120,9.01,135,8.66,150,8.05,151.5,7.942494
14,38,7.309545,52,8.13,60,8.36,75,8.74,90,8.89,110,9.05,120,9.44,135,9.29,150,8.47,151.3,8.379447
16,37.8,7.428922,52,8.18,60,8.42,75,8.86,90,9.24,110,9.37,120,9.8,135,10.03,150,8.9,175.4,7.815174
20,38,7.588729,52,8.34,60,8.6,75,8.99,90,9.64,110,9.99,120,10.56,135,11.69,143.2,11.10235,150,10.26

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.93	6.28	6.57	6.51	6.66	6.5	5.81	4.88
8	7.12	7.43	7.66	7.74	7.91	7.82	7.27	6.11
10	7.8	8.02	8.19	8.15	8.48	8.45	8.11	7.24
12	8.03	8.26	8.51	8.52	8.79	9.01	8.66	8.05
14	8.13	8.36	8.74	8.89	9.05	9.44	9.29	8.47
16	8.18	8.42	8.86	9.24	9.37	9.8	10.03	8.9
20	8.34	8.6	8.99	9.64	9.99	10.56	11.69	10.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.89	142.8°	4.22
8	41.2°	4.76	145.5°	5.29
10	39.9°	5.38	147.8°	6.27
12	38.5°	5.64	151.5°	6.98
14	38°	5.76	151.3°	7.35
16	37.8°	5.87	175.4°	7.79
20	38°	5.98	143.2°	8.89

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