La Strega Grigia — ORC Rating

GPH

605.1

OSN

584.9

LOA

11.2 m

Displacement

3929 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7272

Medium

1.0246

High

1.2003

Triple Offshore

Low

0.9485

Medium

1.2692

High

1.4636

Boat Specifications

Dimensions

Length overall: 11.2 m
Beam: 3.23 m
Draft: 2.14 m
Displacement: 3929 kg
Crew weight: 727 kg
Wetted surface: 26.98 m²

Sails

Mainsail: 37.19 m²
Genoa: 31.8 m²
Spinnaker: 74.4 m²
Asymmetric spinnaker: 0 m²

Design

Type: DS 37 Match Racer
Year built: 1991

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.

6,43,4.7583,52,5.31,60,5.69,75,5.95,90,5.85,110,5.66,120,5.47,135,4.87,144.3,4.285273,150,4.02
8,41.6,5.736843,52,6.45,60,6.77,75,7,90,6.97,110,6.96,120,6.76,135,6.09,148.2,5.259488,150,5.16
10,40.5,6.49653,52,7.17,60,7.36,75,7.51,90,7.57,110,7.64,120,7.52,135,7.08,149.2,6.251747,150,6.2
12,38.1,6.785821,52,7.5,60,7.7,75,7.9,90,7.99,110,8.22,120,8.07,135,7.65,150,7.08,154.9,6.846526
14,37.2,6.879842,52,7.64,60,7.89,75,8.3,90,8.39,110,8.87,120,8.74,135,8.18,150,7.62,168.4,6.992827
16,37.3,6.976977,52,7.71,60,8,75,8.56,90,8.87,110,9.41,120,9.5,135,8.81,150,8.1,180,7.42
20,37.6,7.042879,52,7.75,60,8.08,75,8.78,90,9.56,110,10.18,120,10.83,135,10.45,150,9.32,180,8.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.31	5.69	5.95	5.85	5.66	5.47	4.87	4.02
8	6.45	6.77	7	6.97	6.96	6.76	6.09	5.16
10	7.17	7.36	7.51	7.57	7.64	7.52	7.08	6.2
12	7.5	7.7	7.9	7.99	8.22	8.07	7.65	7.08
14	7.64	7.89	8.3	8.39	8.87	8.74	8.18	7.62
16	7.71	8	8.56	8.87	9.41	9.5	8.81	8.1
20	7.75	8.08	8.78	9.56	10.18	10.83	10.45	9.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.48	144.3°	3.48
8	41.6°	4.29	148.2°	4.47
10	40.5°	4.94	149.2°	5.37
12	38.1°	5.34	154.9°	6.2
14	37.2°	5.48	168.4°	6.85
16	37.3°	5.55	180°	7.42
20	37.6°	5.58	180°	8.35

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