La Nonna — ORC Rating

GPH

705.4

OSN

683.6

LOA

9.75 m

Displacement

4320 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5704

Medium

0.7819

High

0.9004

Triple Offshore

Low

0.7375

Medium

0.9639

High

1.0744

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: 20.94 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: 125.1

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.

6,43.8,4.073375,52,4.52,60,4.79,75,5,90,5.03,110,5.09,120,4.93,135,4.46,146.6,3.92886,150,3.78
8,42,4.776996,52,5.35,60,5.65,75,5.89,90,6.06,110,6.15,120,6,135,5.47,150,4.78,151.1,4.740341
10,41.8,5.379113,52,6.01,60,6.23,75,6.4,90,6.58,110,6.67,120,6.6,135,6.31,150,5.68,152,5.572245
12,41.4,5.78581,52,6.33,60,6.51,75,6.67,90,6.8,110,7,120,6.95,135,6.73,150,6.37,159.2,6.03321
14,40.6,5.900394,52,6.48,60,6.66,75,6.85,90,6.94,110,7.3,120,7.28,135,7.06,150,6.75,173.6,6.259007
16,40.2,5.943995,52,6.54,60,6.74,75,7,90,7.15,110,7.5,120,7.62,135,7.41,150,7.06,179,6.63101
20,41.4,6.012443,52,6.56,60,6.78,75,7.16,90,7.49,110,7.78,120,8.08,135,8.12,150,7.74,179,7.231101

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.52	4.79	5	5.03	5.09	4.93	4.46	3.78
8	5.35	5.65	5.89	6.06	6.15	6	5.47	4.78
10	6.01	6.23	6.4	6.58	6.67	6.6	6.31	5.68
12	6.33	6.51	6.67	6.8	7	6.95	6.73	6.37
14	6.48	6.66	6.85	6.94	7.3	7.28	7.06	6.75
16	6.54	6.74	7	7.15	7.5	7.62	7.41	7.06
20	6.56	6.78	7.16	7.49	7.78	8.08	8.12	7.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	2.94	146.6°	3.28
8	42°	3.55	151.1°	4.15
10	41.8°	4.01	152°	4.92
12	41.4°	4.34	159.2°	5.64
14	40.6°	4.48	173.6°	6.22
16	40.2°	4.54	179°	6.63
20	41.4°	4.51	179°	7.23

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