OPTIMUM 4 — ORC Rating

GPH

590.2

OSN

577.3

LOA

9.12 m

Displacement

2749 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7091

Medium

0.9104

High

1.0354

Triple Offshore

Low

0.9113

Medium

1.1315

High

1.2814

Boat Specifications

Dimensions

Length overall: 9.12 m
Beam: 3.26 m
Draft: 2.17 m
Displacement: 2749 kg
Crew weight: 500 kg
Wetted surface: 20.8 m²

Sails

Mainsail: 34.41 m²
Genoa: 28.19 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 99.77 m²

Design

Type: DEHLER 30 OD
Builder: DEHLER
Year built: 2019

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.

6,43,5.359924,52,5.95,60,6.26,75,6.5,90,6.49,110,6.05,120,5.84,135,5.22,144,4.73414,150,4.43
8,40.3,6.057679,52,6.73,60,6.95,75,7.14,90,7.16,110,6.98,120,6.91,135,6.46,147.8,5.696099,150,5.57
10,38.4,6.290725,52,7.03,60,7.27,75,7.61,90,7.71,110,7.64,120,7.59,135,7.24,148.8,6.605373,150,6.52
12,37.7,6.445713,52,7.18,60,7.46,75,7.92,90,8.22,110,8.24,120,8.29,135,7.91,149.8,7.208355,150,7.19
14,37.4,6.558288,52,7.29,60,7.59,75,8.12,90,8.61,110,8.67,120,9.02,135,8.66,147.5,7.920403,150,7.71
16,37.2,6.616198,52,7.39,60,7.71,75,8.26,90,8.89,110,9.13,120,9.65,135,9.54,144.9,8.824791,150,8.34
20,37.6,6.689473,52,7.49,60,7.86,75,8.53,90,9.32,110,10.49,120,10.7,135,12.02,141.8,11.185243,150,10.15
24,39.3,6.745579,52,7.5,60,7.89,75,8.68,90,9.7,110,11.62,120,12.28,135,14.52,144,14.869898,150,13.89

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.95	6.26	6.5	6.49	6.05	5.84	5.22	4.43
8	6.73	6.95	7.14	7.16	6.98	6.91	6.46	5.57
10	7.03	7.27	7.61	7.71	7.64	7.59	7.24	6.52
12	7.18	7.46	7.92	8.22	8.24	8.29	7.91	7.19
14	7.29	7.59	8.12	8.61	8.67	9.02	8.66	7.71
16	7.39	7.71	8.26	8.89	9.13	9.65	9.54	8.34
20	7.49	7.86	8.53	9.32	10.49	10.7	12.02	10.15
24	7.5	7.89	8.68	9.7	11.62	12.28	14.52	13.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.92	144°	3.83
8	40.3°	4.62	147.8°	4.82
10	38.4°	4.93	148.8°	5.65
12	37.7°	5.1	149.8°	6.23
14	37.4°	5.21	147.5°	6.68
16	37.2°	5.27	144.9°	7.22
20	37.6°	5.3	141.8°	8.79
24	39.3°	5.22	144°	12.03

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