ARDORA III — ORC Rating

GPH

685.9

OSN

667.1

LOA

10.011 m

Displacement

4376 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6073

Medium

0.8092

High

0.9126

Triple Offshore

Low

0.775

Medium

0.9832

High

1.0804

Boat Specifications

Dimensions

Length overall: 10.011 m
Beam: 3.16 m
Draft: 1.81 m
Displacement: 4376 kg
Crew weight: 410 kg
Wetted surface: 20.88 m²

Sails

Mainsail: 22.12 m²
Genoa: 38.81 m²
Spinnaker: 81.65 m²
Asymmetric spinnaker: 66.1 m²

Design

Type: CONTENTION 33
Builder: SOUTHERN OCEAN
Designer: D.PETERSON
Year built: 1975
Stability index: 132.3

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.

6,41.8,4.319388,52,4.84,60,5.07,75,5.26,90,5.18,110,5.16,120,5.03,135,4.61,147.1,4.097092,150,3.97
8,41.2,5.063696,52,5.68,60,5.92,75,6.08,90,6.07,110,6.19,120,6.09,135,5.65,150,4.94,151.6,4.876948
10,41.1,5.653141,52,6.19,60,6.34,75,6.46,90,6.52,110,6.64,120,6.61,135,6.39,150,5.84,152,5.74213
12,40,5.861279,52,6.4,60,6.53,75,6.67,90,6.76,110,6.94,120,6.93,135,6.76,150,6.44,159.7,6.120128
14,39.4,5.939952,52,6.48,60,6.64,75,6.83,90,6.92,110,7.23,120,7.27,135,7.09,150,6.77,174.8,6.295911
16,39,5.970564,52,6.52,60,6.69,75,6.96,90,7.12,110,7.49,120,7.58,135,7.45,150,7.09,179,6.641011
20,39.6,5.957068,52,6.53,60,6.72,75,7.08,90,7.44,110,7.8,120,8.1,135,8.14,150,7.78,178.1,7.233977

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.84	5.07	5.26	5.18	5.16	5.03	4.61	3.97
8	5.68	5.92	6.08	6.07	6.19	6.09	5.65	4.94
10	6.19	6.34	6.46	6.52	6.64	6.61	6.39	5.84
12	6.4	6.53	6.67	6.76	6.94	6.93	6.76	6.44
14	6.48	6.64	6.83	6.92	7.23	7.27	7.09	6.77
16	6.52	6.69	6.96	7.12	7.49	7.58	7.45	7.09
20	6.53	6.72	7.08	7.44	7.8	8.1	8.14	7.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.22	147.1°	3.44
8	41.2°	3.81	151.6°	4.29
10	41.1°	4.26	152°	5.07
12	40°	4.49	159.7°	5.74
14	39.4°	4.59	174.8°	6.27
16	39°	4.64	179°	6.64
20	39.6°	4.59	178.1°	7.23

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