UNA — ORC Rating | RegattaPages

GPH

708

OSN

684.9

LOA

10.4 m

Displacement

5500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5628

Medium

0.775

High

0.9136

Triple Offshore

Low

0.7276

Medium

0.9618

High

1.0931

Boat Specifications

Dimensions

Length overall: 10.4 m
Beam: 3.15 m
Draft: 1.42 m
Displacement: 5500 kg
Crew weight: 400 kg
Wetted surface: 23.96 m²

Sails

Mainsail: 24.6 m²
Genoa: 31.14 m²
Spinnaker: 62.35 m²
Asymmetric spinnaker: 0 m²

Design

Type: LOHI 34
Designer: Hans Groop
Year built: 1974
Stability index: 87.7

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.

6,45.4,4.144396,52,4.55,60,4.86,75,5.04,90,4.95,110,4.92,120,4.78,135,4.33,146,3.847835,150,3.68
8,43.6,4.874534,52,5.41,60,5.69,75,5.88,90,5.84,110,5.96,120,5.83,135,5.37,150,4.72,150.2,4.713255
10,43,5.441963,52,6,60,6.25,75,6.43,90,6.5,110,6.64,120,6.56,135,6.18,150,5.58,153.8,5.405355
12,42.3,5.84075,52,6.39,60,6.59,75,6.77,90,6.9,110,7.04,120,6.99,135,6.74,150,6.28,157.7,5.955407
14,41.7,6.080589,52,6.63,60,6.82,75,7,90,7.11,110,7.34,120,7.31,135,7.1,150,6.76,169.4,6.205902
16,41.1,6.170682,52,6.75,60,6.95,75,7.18,90,7.26,110,7.59,120,7.59,135,7.42,150,7.1,177.2,6.597877
20,40.6,6.216487,52,6.84,60,7.06,75,7.38,90,7.59,110,7.96,120,8.12,135,8.02,150,7.68,179,7.241103

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.55	4.86	5.04	4.95	4.92	4.78	4.33	3.68
8	5.41	5.69	5.88	5.84	5.96	5.83	5.37	4.72
10	6	6.25	6.43	6.5	6.64	6.56	6.18	5.58
12	6.39	6.59	6.77	6.9	7.04	6.99	6.74	6.28
14	6.63	6.82	7	7.11	7.34	7.31	7.1	6.76
16	6.75	6.95	7.18	7.26	7.59	7.59	7.42	7.1
20	6.84	7.06	7.38	7.59	7.96	8.12	8.02	7.68

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.91	146°	3.19
8	43.6°	3.53	150.2°	4.09
10	43°	3.98	153.8°	4.85
12	42.3°	4.32	157.7°	5.51
14	41.7°	4.54	169.4°	6.1
16	41.1°	4.65	177.2°	6.59
20	40.6°	4.72	179°	7.24

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