Alida II — ORC Rating

GPH

720.3

OSN

698.1

LOA

9.53 m

Displacement

4583 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6338

Medium

0.8625

High

1.0002

Triple Offshore

Low

0.813

Medium

1.0604

High

1.1881

Boat Specifications

Dimensions

Length overall: 9.53 m
Beam: 3.18 m
Draft: 1.81 m
Displacement: 4583 kg
Crew weight: 497 kg
Wetted surface: 20.73 m²

Sails

Mainsail: 18.57 m²
Genoa: 29.77 m²
Spinnaker: 72.33 m²
Asymmetric spinnaker: 0 m²

Design

Type: Spirit 32
Builder: Van Heygen
Designer: Jack de Ridder
Year built: 1975

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.

6,43.1,3.985415,52,4.44,60,4.67,75,4.83,90,4.79,110,4.92,120,4.8,135,4.4,147.4,3.857785,150,3.76
8,41.1,4.618059,52,5.22,60,5.49,75,5.71,90,5.77,110,5.96,120,5.85,135,5.35,150,4.71,151.5,4.642604
10,40.8,5.178369,52,5.84,60,6.06,75,6.23,90,6.35,110,6.5,120,6.45,135,6.19,150,5.56,150.7,5.527084
12,40.8,5.627514,52,6.18,60,6.35,75,6.49,90,6.59,110,6.81,120,6.78,135,6.59,150,6.24,158.3,5.9195
14,40.1,5.817591,52,6.36,60,6.52,75,6.67,90,6.71,110,7.07,120,7.08,135,6.89,150,6.59,180,6.08
16,39.6,5.86622,52,6.44,60,6.62,75,6.82,90,6.94,110,7.26,120,7.38,135,7.2,150,6.87,180,6.48
20,39.9,5.865751,52,6.46,60,6.67,75,7.01,90,7.32,110,7.51,120,7.79,135,7.83,150,7.45,180,7.02

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.44	4.67	4.83	4.79	4.92	4.8	4.4	3.76
8	5.22	5.49	5.71	5.77	5.96	5.85	5.35	4.71
10	5.84	6.06	6.23	6.35	6.5	6.45	6.19	5.56
12	6.18	6.35	6.49	6.59	6.81	6.78	6.59	6.24
14	6.36	6.52	6.67	6.71	7.07	7.08	6.89	6.59
16	6.44	6.62	6.82	6.94	7.26	7.38	7.2	6.87
20	6.46	6.67	7.01	7.32	7.51	7.79	7.83	7.45

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	2.91	147.4°	3.25
8	41.1°	3.48	151.5°	4.08
10	40.8°	3.92	150.7°	4.82
12	40.8°	4.26	158.3°	5.5
14	40.1°	4.45	180°	6.08
16	39.6°	4.52	180°	6.48
20	39.9°	4.5	180°	7.02

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