UN MAR SIN BARRERAS — ORC Rating

GPH

723.6

OSN

701.5

LOA

7.067 m

Displacement

940 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5644

Medium

0.7591

High

0.8636

Triple Offshore

Low

0.7259

Medium

0.9316

High

1.0671

Boat Specifications

Dimensions

Length overall: 7.067 m
Beam: 2.38 m
Draft: 1.19 m
Displacement: 940 kg
Crew weight: 310 kg
Wetted surface: 10.14 m²

Sails

Mainsail: 18.15 m²
Genoa: 9.08 m²
Spinnaker: 29.59 m²
Asymmetric spinnaker: 0 m²

Design

Type: SONAR 23
Builder: SONAR (UK) LDT
Designer: KIRBY
Year built: 1979
Stability index: 113.8

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.

6,43.2,4.005659,52,4.44,60,4.68,75,4.89,90,5.03,110,5.04,120,4.9,135,4.44,146.4,3.889924,150,3.74
8,42,4.709715,52,5.24,60,5.45,75,5.6,90,5.82,110,5.85,120,5.75,135,5.39,150,4.72,151.4,4.658405
10,41.4,5.212561,52,5.68,60,5.83,75,5.98,90,6.31,110,6.38,120,6.26,135,5.93,150,5.51,156.1,5.282996
12,39.6,5.450912,52,5.95,60,6.13,75,6.33,90,6.75,110,6.92,120,6.78,135,6.4,150,6,170,5.523921
14,38.8,5.555998,52,6.15,60,6.41,75,6.69,90,6.99,110,7.54,120,7.35,135,6.89,150,6.44,178.4,5.912305
16,38.9,5.576663,52,6.23,60,6.55,75,7,90,7.3,110,8.17,120,8.1,135,7.47,150,6.9,178.4,6.312461
20,40.8,5.627514,52,6.23,60,6.62,75,7.26,90,8.03,110,9.13,120,10.29,135,9.28,150,8.08,176.6,7.202678

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.44	4.68	4.89	5.03	5.04	4.9	4.44	3.74
8	5.24	5.45	5.6	5.82	5.85	5.75	5.39	4.72
10	5.68	5.83	5.98	6.31	6.38	6.26	5.93	5.51
12	5.95	6.13	6.33	6.75	6.92	6.78	6.4	6
14	6.15	6.41	6.69	6.99	7.54	7.35	6.89	6.44
16	6.23	6.55	7	7.3	8.17	8.1	7.47	6.9
20	6.23	6.62	7.26	8.03	9.13	10.29	9.28	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	2.92	146.4°	3.24
8	42°	3.5	151.4°	4.09
10	41.4°	3.91	156.1°	4.83
12	39.6°	4.2	170°	5.44
14	38.8°	4.33	178.4°	5.91
16	38.9°	4.34	178.4°	6.31
20	40.8°	4.26	176.6°	7.19

Loading polar chart…