NAFTILOS — ORC Rating

GPH

717.6

OSN

693.2

LOA

10.12 m

Displacement

6059 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5609

Medium

0.7741

High

0.9

Triple Offshore

Low

0.7213

Medium

0.9493

High

1.0624

Boat Specifications

Dimensions

Length overall: 10.12 m
Beam: 3.27 m
Draft: 1.76 m
Displacement: 6059 kg
Crew weight: 554 kg
Wetted surface: 23.87 m²

Sails

Mainsail: 24.08 m²
Genoa: 38.4 m²
Spinnaker: 84.49 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUNCANSON 34
Builder: DUNCANSON
Designer: BLACKBURN
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.

6,44.2,4.059083,52,4.48,60,4.74,75,4.88,90,4.79,110,4.89,120,4.76,135,4.31,146.2,3.814752,150,3.66
8,42.3,4.78617,52,5.33,60,5.58,75,5.75,90,5.72,110,5.92,120,5.81,135,5.34,150,4.67,150.1,4.671837
10,41.4,5.345875,52,5.92,60,6.11,75,6.26,90,6.33,110,6.5,120,6.45,135,6.16,150,5.56,151.4,5.489856
12,40.3,5.690547,52,6.24,60,6.4,75,6.55,90,6.62,110,6.83,120,6.81,135,6.62,150,6.24,157.8,5.940355
14,39.8,5.870229,52,6.42,60,6.58,75,6.74,90,6.78,110,7.06,120,7.07,135,6.93,150,6.64,171.3,6.120422
16,39.3,5.94438,52,6.51,60,6.68,75,6.88,90,6.95,110,7.25,120,7.32,135,7.2,150,6.92,177.7,6.485225
20,39.2,5.987526,52,6.58,60,6.77,75,7.06,90,7.22,110,7.49,120,7.76,135,7.75,150,7.43,179,7.031071
24,39.9,6.022171,52,6.59,60,6.81,75,7.15,90,7.41,110,7.67,120,8.03,135,8.36,150,7.99,179,7.501142

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.48	4.74	4.88	4.79	4.89	4.76	4.31	3.66
8	5.33	5.58	5.75	5.72	5.92	5.81	5.34	4.67
10	5.92	6.11	6.26	6.33	6.5	6.45	6.16	5.56
12	6.24	6.4	6.55	6.62	6.83	6.81	6.62	6.24
14	6.42	6.58	6.74	6.78	7.06	7.07	6.93	6.64
16	6.51	6.68	6.88	6.95	7.25	7.32	7.2	6.92
20	6.58	6.77	7.06	7.22	7.49	7.76	7.75	7.43
24	6.59	6.81	7.15	7.41	7.67	8.03	8.36	7.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.91	146.2°	3.17
8	42.3°	3.54	150.1°	4.05
10	41.4°	4.01	151.4°	4.82
12	40.3°	4.34	157.8°	5.5
14	39.8°	4.51	171.3°	6.05
16	39.3°	4.6	177.7°	6.48
20	39.2°	4.64	179°	7.03
24	39.9°	4.62	179°	7.5

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