ARDORA III — ORC Rating

GPH

686.6

OSN

666.7

LOA

10.011 m

Displacement

4385 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6106

Medium

0.8092

High

0.9125

Triple Offshore

Low

0.7763

Medium

0.9815

High

1.0765

Boat Specifications

Dimensions

Length overall: 10.011 m
Beam: 3.16 m
Draft: 1.81 m
Displacement: 4385 kg
Crew weight: 400 kg
Wetted surface: 20.99 m²

Sails

Mainsail: 22.08 m²
Genoa: 38.81 m²
Spinnaker: 81.65 m²
Asymmetric spinnaker: 0 m²

Design

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

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.

6,42,4.427132,52,4.93,60,5.15,75,5.27,90,5.16,110,5.13,120,4.99,135,4.55,146.2,4.055431,150,3.89
8,40.6,5.162845,52,5.73,60,5.91,75,6.03,90,5.98,110,6.1,120,6.01,135,5.58,150,4.9,150.5,4.883061
10,39.4,5.590543,52,6.17,60,6.31,75,6.43,90,6.44,110,6.61,120,6.57,135,6.32,150,5.77,152.5,5.648184
12,39,5.816153,52,6.38,60,6.52,75,6.66,90,6.7,110,6.91,120,6.92,135,6.75,150,6.38,159.7,6.03483
14,38.6,5.898758,52,6.48,60,6.64,75,6.82,90,6.91,110,7.15,120,7.22,135,7.09,150,6.76,173.2,6.233852
16,38.5,5.941671,52,6.53,60,6.69,75,6.94,90,7.08,110,7.32,120,7.48,135,7.41,150,7.08,178.1,6.603631
20,38.9,5.936448,52,6.54,60,6.73,75,7.05,90,7.33,110,7.57,120,7.88,135,8.04,150,7.71,178.6,7.212153
24,40,5.887387,52,6.5,60,6.72,75,7.11,90,7.47,110,7.58,120,8.15,135,8.75,150,8.38,178.1,7.794285

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.15	5.27	5.16	5.13	4.99	4.55	3.89
8	5.73	5.91	6.03	5.98	6.1	6.01	5.58	4.9
10	6.17	6.31	6.43	6.44	6.61	6.57	6.32	5.77
12	6.38	6.52	6.66	6.7	6.91	6.92	6.75	6.38
14	6.48	6.64	6.82	6.91	7.15	7.22	7.09	6.76
16	6.53	6.69	6.94	7.08	7.32	7.48	7.41	7.08
20	6.54	6.73	7.05	7.33	7.57	7.88	8.04	7.71
24	6.5	6.72	7.11	7.47	7.58	8.15	8.75	8.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.29	146.2°	3.37
8	40.6°	3.92	150.5°	4.25
10	39.4°	4.32	152.5°	5.01
12	39°	4.52	159.7°	5.66
14	38.6°	4.61	173.2°	6.19
16	38.5°	4.65	178.1°	6.6
20	38.9°	4.62	178.6°	7.21
24	40°	4.51	178.1°	7.79

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