LOUP ALVAR — ORC Rating

GPH

542.4

OSN

528

LOA

12.84 m

Displacement

6940 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7518

Medium

1.0089

High

1.1493

Triple Offshore

Low

0.9731

Medium

1.2452

High

1.3952

Boat Specifications

Dimensions

Length overall: 12.84 m
Beam: 3.8 m
Draft: 2.55 m
Displacement: 6940 kg
Crew weight: 840 kg
Wetted surface: 35.66 m²

Sails

Mainsail: 60.58 m²
Genoa: 45.33 m²
Spinnaker: 137.04 m²
Asymmetric spinnaker: 189.13 m²

Design

Type: SLY 42
Builder: SLY Yachts
Designer: Lostuzzi
Year built: 2006

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.

6,43.1,5.354974,52,6,60,6.36,75,6.68,90,6.6,110,6.71,120,6.56,135,5.84,142.8,5.335644,150,4.9
8,41.2,6.379459,52,7.2,60,7.52,75,7.73,90,7.75,110,7.95,120,7.87,135,7.35,145,6.518936,150,6.16
10,39.8,7.028655,52,7.84,60,8.06,75,8.24,90,8.21,110,8.53,120,8.52,135,8.17,147.5,7.505412,150,7.31
12,38.6,7.216702,52,8.04,60,8.27,75,8.58,90,8.62,110,8.88,120,9.14,135,8.78,150,8.1,151.8,7.988168
14,38.6,7.357453,52,8.13,60,8.38,75,8.8,90,9.06,110,9.23,120,9.61,135,9.49,150,8.57,164,7.854261
16,38.2,7.469553,52,8.19,60,8.44,75,8.94,90,9.42,110,9.59,120,10.04,135,10.34,150,9.1,180,8.14
20,38.2,7.571353,52,8.34,60,8.64,75,9.12,90,9.77,110,10.27,120,10.91,135,12.07,143.2,11.589405,150,10.71

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6	6.36	6.68	6.6	6.71	6.56	5.84	4.9
8	7.2	7.52	7.73	7.75	7.95	7.87	7.35	6.16
10	7.84	8.06	8.24	8.21	8.53	8.52	8.17	7.31
12	8.04	8.27	8.58	8.62	8.88	9.14	8.78	8.1
14	8.13	8.38	8.8	9.06	9.23	9.61	9.49	8.57
16	8.19	8.44	8.94	9.42	9.59	10.04	10.34	9.1
20	8.34	8.64	9.12	9.77	10.27	10.91	12.07	10.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.91	142.8°	4.25
8	41.2°	4.8	145°	5.34
10	39.8°	5.4	147.5°	6.33
12	38.6°	5.64	151.8°	7.04
14	38.6°	5.75	164°	7.55
16	38.2°	5.87	180°	8.14
20	38.2°	5.95	143.2°	9.28

Loading polar chart…