Four Leaf — ORC Rating

GPH

648.6

OSN

628.6

LOA

11.414 m

Displacement

6135 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6887

Medium

0.953

High

1.1175

Triple Offshore

Low

0.8932

Medium

1.1816

High

1.3378

Boat Specifications

Dimensions

Length overall: 11.414 m
Beam: 3.78 m
Draft: 1.95 m
Displacement: 6135 kg
Crew weight: 647 kg
Wetted surface: 28.01 m²

Sails

Mainsail: 37.15 m²
Genoa: 36.54 m²
Spinnaker: 70.39 m²
Asymmetric spinnaker: 80.86 m²

Design

Type: Dehler 38 SD
Builder: Dehler
Designer: v.d.Stadt&Prtnrs
Year built: 1986

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.

6,44,4.476327,52,4.94,60,5.23,75,5.47,90,5.42,110,5.41,120,5.24,135,4.71,146,4.137328,150,3.96
8,41.9,5.239741,52,5.89,60,6.21,75,6.47,90,6.52,110,6.58,120,6.39,135,5.79,150,5.02,150.5,4.997957
10,41.9,5.951809,52,6.63,60,6.87,75,7.05,90,7.18,110,7.23,120,7.12,135,6.72,150,5.96,151.4,5.877107
12,40.8,6.380491,52,7.01,60,7.19,75,7.36,90,7.51,110,7.61,120,7.53,135,7.25,150,6.77,155.7,6.495478
14,40.2,6.572435,52,7.18,60,7.37,75,7.58,90,7.71,110,7.97,120,7.89,135,7.61,150,7.25,172.6,6.615096
16,39.8,6.65119,52,7.26,60,7.47,75,7.76,90,7.89,110,8.32,120,8.28,135,7.97,150,7.59,180,7.1
20,40,6.696739,52,7.31,60,7.55,75,7.97,90,8.33,110,8.78,120,9.02,135,8.75,150,8.28,180,7.77

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.23	5.47	5.42	5.41	5.24	4.71	3.96
8	5.89	6.21	6.47	6.52	6.58	6.39	5.79	5.02
10	6.63	6.87	7.05	7.18	7.23	7.12	6.72	5.96
12	7.01	7.19	7.36	7.51	7.61	7.53	7.25	6.77
14	7.18	7.37	7.58	7.71	7.97	7.89	7.61	7.25
16	7.26	7.47	7.76	7.89	8.32	8.28	7.97	7.59
20	7.31	7.55	7.97	8.33	8.78	9.02	8.75	8.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44°	3.22	146°	3.43
8	41.9°	3.9	150.5°	4.35
10	41.9°	4.43	151.4°	5.16
12	40.8°	4.83	155.7°	5.92
14	40.2°	5.02	172.6°	6.56
16	39.8°	5.11	180°	7.1
20	40°	5.13	180°	7.77

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