La Nonna — ORC Rating

GPH

702.3

OSN

681

LOA

9.75 m

Displacement

4320 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5813

Medium

0.7887

High

0.9003

Triple Offshore

Low

0.7485

Medium

0.9652

High

1.067

Boat Specifications

Dimensions

Length overall: 9.75 m
Beam: 3.12 m
Draft: 1.8 m
Displacement: 4320 kg
Crew weight: 330 kg
Wetted surface: 21.07 m²

Sails

Mainsail: 27.77 m²
Genoa: 23.76 m²
Spinnaker: 61.68 m²
Asymmetric spinnaker: 0 m²

Design

Type: Seawind 32
Builder: Muovi-Simola
Designer: Eivind Still
Year built: 1982
Stability index: 123.7

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.

6,43.8,4.22578,52,4.66,60,4.91,75,5.09,90,5.06,110,5.12,120,4.96,135,4.46,146,3.920208,150,3.76
8,41.4,4.919271,52,5.5,60,5.74,75,5.91,90,6,110,6.11,120,5.98,135,5.5,150,4.8,150.5,4.779655
10,40.5,5.418158,52,6.02,60,6.21,75,6.37,90,6.49,110,6.62,120,6.56,135,6.27,150,5.69,153.2,5.534482
12,39.9,5.696296,52,6.29,60,6.46,75,6.63,90,6.72,110,6.93,120,6.9,135,6.7,150,6.33,160.4,5.965666
14,39.4,5.7976,52,6.41,60,6.6,75,6.8,90,6.88,110,7.16,120,7.19,135,7.03,150,6.72,174.5,6.218629
16,39.4,5.875246,52,6.48,60,6.67,75,6.92,90,7.05,110,7.36,120,7.45,135,7.33,150,7.03,179,6.601005
20,39.6,5.905155,52,6.53,60,6.73,75,7.05,90,7.3,110,7.62,120,7.95,135,7.98,150,7.63,179,7.191095

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.66	4.91	5.09	5.06	5.12	4.96	4.46	3.76
8	5.5	5.74	5.91	6	6.11	5.98	5.5	4.8
10	6.02	6.21	6.37	6.49	6.62	6.56	6.27	5.69
12	6.29	6.46	6.63	6.72	6.93	6.9	6.7	6.33
14	6.41	6.6	6.8	6.88	7.16	7.19	7.03	6.72
16	6.48	6.67	6.92	7.05	7.36	7.45	7.33	7.03
20	6.53	6.73	7.05	7.3	7.62	7.95	7.98	7.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.05	146°	3.25
8	41.4°	3.69	150.5°	4.16
10	40.5°	4.12	153.2°	4.94
12	39.9°	4.37	160.4°	5.62
14	39.4°	4.48	174.5°	6.19
16	39.4°	4.54	179°	6.6
20	39.6°	4.55	179°	7.19

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