DESNA — ORC Rating | RegattaPages

GPH

510.6

OSN

497.1

LOA

15.005 m

Displacement

9176 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8967

Medium

1.1967

High

1.3599

Triple Offshore

Low

1.1637

Medium

1.4891

High

1.667

Boat Specifications

Dimensions

Length overall: 15.005 m
Beam: 4.07 m
Draft: 2.8 m
Displacement: 9176 kg
Crew weight: 800 kg
Wetted surface: 43.3 m²

Sails

Mainsail: 79.94 m²
Genoa: 56.34 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 227.19 m²

Design

Type: KNIERIM 49
Builder: KNIERIM
Designer: JUDEL/VROLIJK
Year built: 2005

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.

6,43.3,5.757292,52,6.43,60,6.82,75,7.15,90,7.04,110,7.08,120,6.86,135,6.13,142.1,5.626777,150,5.13
8,41.7,6.897585,52,7.77,60,8.14,75,8.37,90,8.3,110,8.47,120,8.37,135,7.74,143.7,6.960917,150,6.48
10,40.3,7.460648,52,8.37,60,8.65,75,8.9,90,8.88,110,9.08,120,9.11,135,8.69,146.8,7.983132,150,7.71
12,40.1,7.739357,52,8.57,60,8.84,75,9.25,90,9.36,110,9.47,120,9.75,135,9.36,150,8.62,151.9,8.456833
14,39.5,7.8406,52,8.66,60,8.95,75,9.46,90,9.83,110,9.87,120,10.22,135,10.13,150,9.15,151,9.055364
16,38.9,7.966662,52,8.75,60,9.02,75,9.6,90,10.17,110,10.25,120,10.67,135,11.02,148.3,9.919946,150,9.74
20,39.1,8.079414,52,8.9,60,9.26,75,9.82,90,10.5,110,11.16,120,11.63,135,12.78,144.5,12.111303,150,11.38

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.43	6.82	7.15	7.04	7.08	6.86	6.13	5.13
8	7.77	8.14	8.37	8.3	8.47	8.37	7.74	6.48
10	8.37	8.65	8.9	8.88	9.08	9.11	8.69	7.71
12	8.57	8.84	9.25	9.36	9.47	9.75	9.36	8.62
14	8.66	8.95	9.46	9.83	9.87	10.22	10.13	9.15
16	8.75	9.02	9.6	10.17	10.25	10.67	11.02	9.74
20	8.9	9.26	9.82	10.5	11.16	11.63	12.78	11.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.3°	4.19	142.1°	4.44
8	41.7°	5.15	143.7°	5.61
10	40.3°	5.69	146.8°	6.68
12	40.1°	5.92	151.9°	7.46
14	39.5°	6.05	151°	7.92
16	38.9°	6.2	148.3°	8.44
20	39.1°	6.27	144.5°	9.86

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