J-DAY — ORC Rating | RegattaPages

GPH

613.1

OSN

594.9

LOA

11.785 m

Displacement

7942 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6568

Medium

0.8958

High

1.032

Triple Offshore

Low

0.8506

Medium

1.1079

High

1.2387

Boat Specifications

Dimensions

Length overall: 11.785 m
Beam: 3.79 m
Draft: 1.97 m
Displacement: 7942 kg
Crew weight: 640 kg
Wetted surface: 33.06 m²

Sails

Mainsail: 46 m²
Genoa: 46.02 m²
Spinnaker: 97.04 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER 39
Builder: DEHLER
Designer: JUDEL/VROLIJK
Year built: 1999

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.

6,44.4,4.968699,52,5.46,60,5.77,75,5.99,90,5.88,110,5.65,120,5.47,135,4.9,143.4,4.421927,150,4.1
8,42,5.799677,52,6.45,60,6.73,75,6.92,90,6.87,110,6.84,120,6.68,135,6.1,148,5.365262,150,5.26
10,40.5,6.35187,52,7.06,60,7.29,75,7.45,90,7.45,110,7.56,120,7.46,135,7.02,150,6.25,151.6,6.161552
12,39.9,6.634816,52,7.36,60,7.57,75,7.77,90,7.81,110,7.99,120,7.93,135,7.62,150,7.06,155.6,6.786111
14,39.4,6.742298,52,7.48,60,7.71,75,7.98,90,8.08,110,8.34,120,8.33,135,8.04,150,7.61,163.9,7.098405
16,39.2,6.813391,52,7.55,60,7.79,75,8.12,90,8.33,110,8.64,120,8.71,135,8.44,150,8.01,175.8,7.399873
20,39.4,6.88465,52,7.62,60,7.88,75,8.29,90,8.68,110,9.01,120,9.38,135,9.3,150,8.79,178.6,8.162437
24,40.3,6.857503,52,7.61,60,7.88,75,8.38,90,8.9,110,9.22,120,9.81,135,10.33,150,9.67,178.1,8.904896

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.46	5.77	5.99	5.88	5.65	5.47	4.9	4.1
8	6.45	6.73	6.92	6.87	6.84	6.68	6.1	5.26
10	7.06	7.29	7.45	7.45	7.56	7.46	7.02	6.25
12	7.36	7.57	7.77	7.81	7.99	7.93	7.62	7.06
14	7.48	7.71	7.98	8.08	8.34	8.33	8.04	7.61
16	7.55	7.79	8.12	8.33	8.64	8.71	8.44	8.01
20	7.62	7.88	8.29	8.68	9.01	9.38	9.3	8.79
24	7.61	7.88	8.38	8.9	9.22	9.81	10.33	9.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.55	143.4°	3.55
8	42°	4.31	148°	4.55
10	40.5°	4.83	151.6°	5.42
12	39.9°	5.09	155.6°	6.18
14	39.4°	5.21	163.9°	6.82
16	39.2°	5.28	175.8°	7.38
20	39.4°	5.32	178.6°	8.16
24	40.3°	5.23	178.1°	8.9

Loading polar chart…