Alida II — ORC Rating

GPH

725.7

OSN

700.8

LOA

9.53 m

Displacement

4679 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5611

Medium

0.7664

High

0.8811

Triple Offshore

Low

0.7176

Medium

0.9372

High

1.0423

Boat Specifications

Dimensions

Length overall: 9.53 m
Beam: 3.18 m
Draft: 1.82 m
Displacement: 4679 kg
Crew weight: 482 kg
Wetted surface: 20.81 m²

Sails

Mainsail: 18.29 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
Stability index: 115.5

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.

6,43.5,4.011722,52,4.43,60,4.65,75,4.76,90,4.73,110,4.87,120,4.73,135,4.3,146.9,3.784086,150,3.66
8,41.4,4.719301,52,5.26,60,5.48,75,5.62,90,5.67,110,5.87,120,5.76,135,5.3,150,4.67,150.7,4.63266
10,40,5.195521,52,5.8,60,5.99,75,6.14,90,6.23,110,6.43,120,6.39,135,6.1,150,5.53,152.4,5.416363
12,39.4,5.525837,52,6.11,60,6.28,75,6.43,90,6.49,110,6.75,120,6.74,135,6.55,150,6.18,159.2,5.840661
14,39.4,5.694071,52,6.28,60,6.45,75,6.62,90,6.66,110,6.97,120,7.02,135,6.87,150,6.58,171.8,6.07208
16,39.3,5.763464,52,6.36,60,6.54,75,6.76,90,6.83,110,7.15,120,7.26,135,7.16,150,6.87,177.2,6.427674
20,39.4,5.7976,52,6.41,60,6.61,75,6.91,90,7.09,110,7.36,120,7.63,135,7.71,150,7.4,179,6.981063

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.43	4.65	4.76	4.73	4.87	4.73	4.3	3.66
8	5.26	5.48	5.62	5.67	5.87	5.76	5.3	4.67
10	5.8	5.99	6.14	6.23	6.43	6.39	6.1	5.53
12	6.11	6.28	6.43	6.49	6.75	6.74	6.55	6.18
14	6.28	6.45	6.62	6.66	6.97	7.02	6.87	6.58
16	6.36	6.54	6.76	6.83	7.15	7.26	7.16	6.87
20	6.41	6.61	6.91	7.09	7.36	7.63	7.71	7.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.91	146.9°	3.17
8	41.4°	3.54	150.7°	4.04
10	40°	3.98	152.4°	4.8
12	39.4°	4.27	159.2°	5.46
14	39.4°	4.4	171.8°	6.01
16	39.3°	4.46	177.2°	6.42
20	39.4°	4.48	179°	6.98

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