Dollard IV — ORC Rating

GPH

615.1

OSN

598.5

LOA

11.71 m

Displacement

8031 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7341

Medium

1.0001

High

1.1581

Triple Offshore

Low

0.9527

Medium

1.2416

High

1.3917

Boat Specifications

Dimensions

Length overall: 11.71 m
Beam: 3.79 m
Draft: 1.97 m
Displacement: 8031 kg
Crew weight: 792 kg
Wetted surface: 33.4 m²

Sails

Mainsail: 47.43 m²
Genoa: 51.7 m²
Spinnaker: 80.8 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER 39 JV
Builder: Dehler Yachtbau
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.

6,43.4,4.899703,52,5.45,60,5.76,75,6.02,90,5.97,110,5.55,120,5.38,135,4.85,145.3,4.281488,150,4.06
8,42,5.759308,52,6.47,60,6.8,75,7.03,90,7.01,110,6.76,120,6.56,135,5.96,150,5.17,150.1,5.167859
10,41.6,6.44559,52,7.14,60,7.37,75,7.54,90,7.55,110,7.51,120,7.4,135,6.9,150,6.12,152.7,5.975576
12,40.8,6.737164,52,7.42,60,7.63,75,7.81,90,7.86,110,7.92,120,7.83,135,7.52,150,6.96,155.1,6.692068
14,40.1,6.850377,52,7.53,60,7.74,75,8.01,90,8.11,110,8.28,120,8.19,135,7.89,150,7.51,169.8,6.858393
16,39.7,6.888489,52,7.58,60,7.8,75,8.13,90,8.36,110,8.66,120,8.58,135,8.24,150,7.87,180,7.34
20,39.7,6.901486,52,7.6,60,7.84,75,8.25,90,8.74,110,9.16,120,9.41,135,9.09,150,8.58,180,8.05

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.45	5.76	6.02	5.97	5.55	5.38	4.85	4.06
8	6.47	6.8	7.03	7.01	6.76	6.56	5.96	5.17
10	7.14	7.37	7.54	7.55	7.51	7.4	6.9	6.12
12	7.42	7.63	7.81	7.86	7.92	7.83	7.52	6.96
14	7.53	7.74	8.01	8.11	8.28	8.19	7.89	7.51
16	7.58	7.8	8.13	8.36	8.66	8.58	8.24	7.87
20	7.6	7.84	8.25	8.74	9.16	9.41	9.09	8.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.56	145.3°	3.52
8	42°	4.28	150.1°	4.48
10	41.6°	4.82	152.7°	5.31
12	40.8°	5.1	155.1°	6.07
14	40.1°	5.24	169.8°	6.75
16	39.7°	5.3	180°	7.34
20	39.7°	5.31	180°	8.05

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