QUATRAILLE — ORC Rating

GPH

538.3

OSN

522.3

LOA

12.84 m

Displacement

6901 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7636

Medium

1.0198

High

1.1578

Triple Offshore

Low

0.9809

Medium

1.2548

High

1.4073

Boat Specifications

Dimensions

Length overall: 12.84 m
Beam: 3.8 m
Draft: 2.57 m
Displacement: 6901 kg
Crew weight: 800 kg
Wetted surface: 35.61 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.

6,42.9,5.474082,52,6.11,60,6.43,75,6.65,90,6.52,110,6.69,120,6.53,135,5.84,142.6,5.362439,150,4.92
8,40.6,6.479897,52,7.26,60,7.52,75,7.68,90,7.69,110,7.91,120,7.83,135,7.3,145.6,6.520315,150,6.21
10,38.8,7.044441,52,7.86,60,8.08,75,8.23,90,8.18,110,8.56,120,8.55,135,8.18,148.5,7.447456,150,7.33
12,37.6,7.244825,52,8.11,60,8.35,75,8.62,90,8.62,110,8.97,120,9.18,135,8.83,150,8.13,151.3,8.04883
14,37.6,7.43415,52,8.24,60,8.49,75,8.88,90,9.05,110,9.31,120,9.68,135,9.52,149.6,8.68392,150,8.65
16,37.3,7.517535,52,8.34,60,8.61,75,9.05,90,9.4,110,9.63,120,10.1,135,10.32,147.3,9.447294,150,9.18
20,37.1,7.623022,52,8.45,60,8.75,75,9.3,90,9.86,110,10.24,120,10.96,135,12.27,143.1,11.604574,150,10.71
24,38.4,7.656055,52,8.46,60,8.79,75,9.42,90,10.15,110,10.97,120,11.81,135,13.88,143.8,14.833443,150,13.82

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.11	6.43	6.65	6.52	6.69	6.53	5.84	4.92
8	7.26	7.52	7.68	7.69	7.91	7.83	7.3	6.21
10	7.86	8.08	8.23	8.18	8.56	8.55	8.18	7.33
12	8.11	8.35	8.62	8.62	8.97	9.18	8.83	8.13
14	8.24	8.49	8.88	9.05	9.31	9.68	9.52	8.65
16	8.34	8.61	9.05	9.4	9.63	10.1	10.32	9.18
20	8.45	8.75	9.3	9.86	10.24	10.96	12.27	10.71
24	8.46	8.79	9.42	10.15	10.97	11.81	13.88	13.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	4.01	142.6°	4.26
8	40.6°	4.92	145.6°	5.38
10	38.8°	5.49	148.5°	6.35
12	37.6°	5.74	151.3°	7.06
14	37.6°	5.89	149.6°	7.49
16	37.3°	5.98	147.3°	7.95
20	37.1°	6.08	143.1°	9.28
24	38.4°	6	143.8°	11.97

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