ALPHA 32 — ORC Rating

GPH

716.7

OSN

697

LOA

9.603 m

Displacement

4148 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5839

Medium

0.772

High

0.8675

Triple Offshore

Low

0.7447

Medium

0.9399

High

1.0281

Boat Specifications

Dimensions

Length overall: 9.603 m
Beam: 2.99 m
Draft: 1.53 m
Displacement: 4148 kg
Crew weight: 408 kg
Wetted surface: 19.24 m²

Sails

Mainsail: 22.07 m²
Genoa: 31.68 m²
Spinnaker: 70.22 m²
Asymmetric spinnaker: 0 m²

Design

Type: ALPHA 32
Builder: ESSLINGER+ABT
Designer: V D STADT
Year built: 1972

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.

6,43.6,4.239325,52,4.68,60,4.92,75,5.06,90,4.97,110,5,120,4.88,135,4.46,146.7,3.960243,150,3.82
8,42,4.925016,52,5.44,60,5.64,75,5.78,90,5.75,110,5.91,120,5.83,135,5.42,150,4.8,150.9,4.760966
10,40.6,5.334062,52,5.88,60,6.05,75,6.18,90,6.21,110,6.4,120,6.36,135,6.12,150,5.62,153.9,5.445267
12,40.5,5.575969,52,6.11,60,6.26,75,6.42,90,6.47,110,6.69,120,6.69,135,6.52,150,6.19,161.4,5.813657
14,40.1,5.647639,52,6.2,60,6.37,75,6.57,90,6.66,110,6.89,120,6.96,135,6.83,150,6.54,174.9,6.053967
16,40.1,5.699932,52,6.25,60,6.42,75,6.67,90,6.82,110,7.05,120,7.19,135,7.12,150,6.83,178.6,6.411914
20,40.8,5.733195,52,6.27,60,6.47,75,6.77,90,7.03,110,7.29,120,7.59,135,7.72,150,7.39,179,6.96106
24,42,5.705483,52,6.23,60,6.47,75,6.82,90,7.16,110,7.33,120,7.86,135,8.35,150,8.03,178.6,7.492237

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.68	4.92	5.06	4.97	5	4.88	4.46	3.82
8	5.44	5.64	5.78	5.75	5.91	5.83	5.42	4.8
10	5.88	6.05	6.18	6.21	6.4	6.36	6.12	5.62
12	6.11	6.26	6.42	6.47	6.69	6.69	6.52	6.19
14	6.2	6.37	6.57	6.66	6.89	6.96	6.83	6.54
16	6.25	6.42	6.67	6.82	7.05	7.19	7.12	6.83
20	6.27	6.47	6.77	7.03	7.29	7.59	7.72	7.39
24	6.23	6.47	6.82	7.16	7.33	7.86	8.35	8.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.07	146.7°	3.31
8	42°	3.66	150.9°	4.16
10	40.6°	4.05	153.9°	4.89
12	40.5°	4.24	161.4°	5.51
14	40.1°	4.32	174.9°	6.03
16	40.1°	4.36	178.6°	6.41
20	40.8°	4.34	179°	6.96
24	42°	4.24	178.6°	7.49

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