NAFTILOS — ORC Rating

GPH

721.2

OSN

696.9

LOA

10.12 m

Displacement

6059 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5538

Medium

0.7632

High

0.9041

Triple Offshore

Low

0.7127

Medium

0.9448

High

1.073

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: 23.78 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
Stability index: 120.1

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.

6,44.2,3.947494,52,4.36,60,4.63,75,4.81,90,4.76,110,4.87,120,4.75,135,4.34,146.9,3.831835,150,3.7
8,42.1,4.609314,52,5.15,60,5.45,75,5.67,90,5.73,110,5.92,120,5.79,135,5.3,150,4.68,152,4.598234
10,42.3,5.205298,52,5.82,60,6.09,75,6.29,90,6.44,110,6.57,120,6.51,135,6.2,150,5.54,151.1,5.482804
12,42,5.718939,52,6.27,60,6.45,75,6.59,90,6.75,110,6.9,120,6.86,135,6.66,150,6.28,156.5,6.00833
14,41.2,5.954162,52,6.49,60,6.65,75,6.79,90,6.87,110,7.17,120,7.15,135,6.97,150,6.69,168.2,6.221476
16,40.5,6.0494,52,6.59,60,6.77,75,6.95,90,7.03,110,7.41,120,7.46,135,7.27,150,6.96,177.2,6.537805
20,40,6.12236,52,6.68,60,6.87,75,7.19,90,7.38,110,7.67,120,7.93,135,7.89,150,7.54,179,7.081078

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.36	4.63	4.81	4.76	4.87	4.75	4.34	3.7
8	5.15	5.45	5.67	5.73	5.92	5.79	5.3	4.68
10	5.82	6.09	6.29	6.44	6.57	6.51	6.2	5.54
12	6.27	6.45	6.59	6.75	6.9	6.86	6.66	6.28
14	6.49	6.65	6.79	6.87	7.17	7.15	6.97	6.69
16	6.59	6.77	6.95	7.03	7.41	7.46	7.27	6.96
20	6.68	6.87	7.19	7.38	7.67	7.93	7.89	7.54

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.83	146.9°	3.21
8	42.1°	3.42	152°	4.06
10	42.3°	3.85	151.1°	4.8
12	42°	4.25	156.5°	5.51
14	41.2°	4.48	168.2°	6.09
16	40.5°	4.6	177.2°	6.53
20	40°	4.69	179°	7.08

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