ILDEMAR IV — ORC Rating

GPH

644.7

OSN

625.7

LOA

10.3 m

Displacement

5345 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6314

Medium

0.8537

High

0.979

Triple Offshore

Low

0.8126

Medium

1.0518

High

1.1718

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.93 m
Displacement: 5345 kg
Crew weight: 495 kg
Wetted surface: 25.01 m²

Sails

Mainsail: 31.57 m²
Genoa: 34.38 m²
Spinnaker: 69.58 m²
Asymmetric spinnaker: 89.52 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
Designer: DUFOUR
Year built: 2002

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.

6,43.9,4.607584,52,5.09,60,5.37,75,5.55,90,5.43,110,5.53,120,5.36,135,4.81,144.2,4.352309,150,4.08
8,41.7,5.397527,52,6.01,60,6.26,75,6.43,90,6.47,110,6.62,120,6.49,135,5.98,147.1,5.335748,150,5.17
10,40.3,5.965896,52,6.6,60,6.79,75,6.94,90,7.05,110,7.21,120,7.14,135,6.82,147.5,6.260438,150,6.09
12,39.1,6.249626,52,6.91,60,7.08,75,7.24,90,7.34,110,7.6,120,7.56,135,7.31,150,6.72,157.4,6.336585
14,38.6,6.359398,52,7.06,60,7.25,75,7.46,90,7.53,110,7.93,120,7.95,135,7.71,150,7.15,168.7,6.587705
16,38.5,6.427227,52,7.12,60,7.33,75,7.62,90,7.76,110,8.19,120,8.32,135,8.1,150,7.51,177.2,6.978331
20,38.7,6.470788,52,7.18,60,7.41,75,7.79,90,8.11,110,8.54,120,8.97,135,8.94,150,8.2,178.6,7.67229
24,39.9,6.452326,52,7.16,60,7.42,75,7.88,90,8.32,110,8.84,120,9.43,135,10.08,150,8.98,178.6,8.322484

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.09	5.37	5.55	5.43	5.53	5.36	4.81	4.08
8	6.01	6.26	6.43	6.47	6.62	6.49	5.98	5.17
10	6.6	6.79	6.94	7.05	7.21	7.14	6.82	6.09
12	6.91	7.08	7.24	7.34	7.6	7.56	7.31	6.72
14	7.06	7.25	7.46	7.53	7.93	7.95	7.71	7.15
16	7.12	7.33	7.62	7.76	8.19	8.32	8.1	7.51
20	7.18	7.41	7.79	8.11	8.54	8.97	8.94	8.2
24	7.16	7.42	7.88	8.32	8.84	9.43	10.08	8.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.32	144.2°	3.53
8	41.7°	4.03	147.1°	4.48
10	40.3°	4.55	147.5°	5.28
12	39.1°	4.85	157.4°	5.85
14	38.6°	4.97	168.7°	6.46
16	38.5°	5.03	177.2°	6.97
20	38.7°	5.05	178.6°	7.67
24	39.9°	4.95	178.6°	8.32

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