ADRASTEIA — ORC Rating

GPH

689.6

OSN

669.5

LOA

10.112 m

Displacement

4916 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6628

Medium

0.8996

High

1.036

Triple Offshore

Low

0.852

Medium

1.1065

High

1.2354

Boat Specifications

Dimensions

Length overall: 10.112 m
Beam: 3.41 m
Draft: 1.79 m
Displacement: 4916 kg
Crew weight: 500 kg
Wetted surface: 23.89 m²

Sails

Mainsail: 30.22 m²
Genoa: 31.07 m²
Spinnaker: 63.12 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER 34
Builder: DEHLER
Designer: VAN DE STADT
Year built: 1982

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.

6,42.6,4.252156,52,4.75,60,4.99,75,5.19,90,5.14,110,5.08,120,4.93,135,4.46,147.2,3.914027,150,3.8
8,41.1,4.963086,52,5.59,60,5.88,75,6.09,90,6.08,110,6.13,120,5.97,135,5.43,150,4.79,151.9,4.704539
10,41.2,5.595317,52,6.23,60,6.42,75,6.56,90,6.66,110,6.71,120,6.62,135,6.28,150,5.62,154.3,5.426839
12,40.5,5.957344,52,6.51,60,6.67,75,6.82,90,6.95,110,7.05,120,6.96,135,6.74,150,6.34,159.3,5.975772
14,39.8,6.052453,52,6.64,60,6.82,75,7.01,90,7.11,110,7.36,120,7.28,135,7.05,150,6.75,180,6.23
16,39.4,6.095244,52,6.69,60,6.88,75,7.16,90,7.3,110,7.67,120,7.64,135,7.37,150,7.04,180,6.66
20,40.1,6.105202,52,6.71,60,6.92,75,7.29,90,7.66,110,8.03,120,8.26,135,8.08,150,7.67,180,7.24

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.75	4.99	5.19	5.14	5.08	4.93	4.46	3.8
8	5.59	5.88	6.09	6.08	6.13	5.97	5.43	4.79
10	6.23	6.42	6.56	6.66	6.71	6.62	6.28	5.62
12	6.51	6.67	6.82	6.95	7.05	6.96	6.74	6.34
14	6.64	6.82	7.01	7.11	7.36	7.28	7.05	6.75
16	6.69	6.88	7.16	7.3	7.67	7.64	7.37	7.04
20	6.71	6.92	7.29	7.66	8.03	8.26	8.08	7.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.13	147.2°	3.29
8	41.1°	3.74	151.9°	4.15
10	41.2°	4.21	154.3°	4.89
12	40.5°	4.53	159.3°	5.59
14	39.8°	4.65	180°	6.23
16	39.4°	4.71	180°	6.66
20	40.1°	4.67	180°	7.24

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