DOSPERU II — ORC Rating

GPH

697.3

OSN

675.2

LOA

10 m

Displacement

5197 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5722

Medium

0.7873

High

0.9241

Triple Offshore

Low

0.7393

Medium

0.9765

High

1.1044

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 3.28 m
Draft: 1.8 m
Displacement: 5197 kg
Crew weight: 400 kg
Wetted surface: 23.98 m²

Sails

Mainsail: 25.77 m²
Genoa: 26.28 m²
Spinnaker: 72.73 m²
Asymmetric spinnaker: 0 m²

Design

Type: Elan 34
Builder: Elan
Designer: Humphreys
Year built: 1997

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.

6,44.2,4.059083,52,4.5,60,4.78,75,4.99,90,5,110,5.11,120,4.97,135,4.52,146,4.016706,150,3.84
8,42,4.750084,52,5.33,60,5.62,75,5.88,90,6.03,110,6.2,120,6.06,135,5.55,150,4.85,150.5,4.825613
10,41.2,5.302925,52,6,60,6.28,75,6.5,90,6.69,110,6.82,120,6.76,135,6.43,150,5.73,151.5,5.655329
12,41.2,5.794675,52,6.44,60,6.65,75,6.82,90,6.97,110,7.16,120,7.12,135,6.91,150,6.48,156,6.206588
14,40.9,6.072606,52,6.66,60,6.85,75,7.02,90,7.08,110,7.45,120,7.43,135,7.23,150,6.91,174,6.324647
16,40.5,6.154607,52,6.76,60,6.96,75,7.18,90,7.28,110,7.67,120,7.77,135,7.56,150,7.2,180,6.77
20,40.7,6.173048,52,6.8,60,7.03,75,7.4,90,7.65,110,7.96,120,8.28,135,8.27,150,7.84,180,7.36

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.5	4.78	4.99	5	5.11	4.97	4.52	3.84
8	5.33	5.62	5.88	6.03	6.2	6.06	5.55	4.85
10	6	6.28	6.5	6.69	6.82	6.76	6.43	5.73
12	6.44	6.65	6.82	6.97	7.16	7.12	6.91	6.48
14	6.66	6.85	7.02	7.08	7.45	7.43	7.23	6.91
16	6.76	6.96	7.18	7.28	7.67	7.77	7.56	7.2
20	6.8	7.03	7.4	7.65	7.96	8.28	8.27	7.84

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.91	146°	3.33
8	42°	3.53	150.5°	4.2
10	41.2°	3.99	151.5°	4.97
12	41.2°	4.36	156°	5.67
14	40.9°	4.59	174°	6.29
16	40.5°	4.68	180°	6.77
20	40.7°	4.68	180°	7.36

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