WHY NOT — ORC Rating | RegattaPages

GPH

604.5

OSN

591.8

LOA

5.813 m

Displacement

260 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7103

Medium

0.9428

High

1.1977

Triple Offshore

Low

0.9366

Medium

1.257

High

1.5864

Boat Specifications

Dimensions

Length overall: 5.813 m
Beam: 1.96 m
Draft: 1.4 m
Displacement: 260 kg
Crew weight: 295 kg
Wetted surface: 6.76 m²

Sails

Mainsail: 13.35 m²
Genoa: 5.58 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: RONDAR K6
Builder: RONDAR (UK)
Designer: PAUL HANDLEY
Year built: 2004

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.

6,43.6,4.625974,52,5.14,60,5.51,75,5.98,90,6.2,110,5.85,120,5.53,135,4.92,136.1,4.857393,150,4.04
8,39.7,5.315834,52,5.88,60,6.26,75,7.12,90,7.75,110,7.08,120,6.55,135,5.83,145.9,5.313622,150,5.08
10,37.3,5.581581,52,6.6,60,7.09,75,7.78,90,8.65,110,8.98,120,8.19,135,6.81,150,5.78,155.6,5.523323
12,37.1,5.742342,52,6.95,60,7.56,75,8.63,90,9.41,110,10.48,120,9.99,135,8.29,139.3,7.742691,150,6.78
14,40.7,6.173048,52,7.17,60,7.85,75,9.12,90,10.29,110,11.56,120,12.1,129.5,11.52374,135,10.37,150,8.47
16,42.9,6.634424,52,7.55,60,8.28,75,9.46,90,11,110,12.44,120,13.07,132.9,13.29473,135,12.79,150,10.45
20,44,6.992523,52,7.92,60,8.84,75,10.61,90,12.45,110,13.87,120,14.81,135,16.36,139.4,15.277806,150,13.4

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.51	5.98	6.2	5.85	5.53	4.92	4.04
8	5.88	6.26	7.12	7.75	7.08	6.55	5.83	5.08
10	6.6	7.09	7.78	8.65	8.98	8.19	6.81	5.78
12	6.95	7.56	8.63	9.41	10.48	9.99	8.29	6.78
14	7.17	7.85	9.12	10.29	11.56	12.1	10.37	8.47
16	7.55	8.28	9.46	11	12.44	13.07	12.79	10.45
20	7.92	8.84	10.61	12.45	13.87	14.81	16.36	13.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.35	136.1°	3.5
8	39.7°	4.09	145.9°	4.4
10	37.3°	4.44	155.6°	5.03
12	37.1°	4.58	139.3°	5.87
14	40.7°	4.68	129.5°	7.33
16	42.9°	4.86	132.9°	9.05
20	44°	5.03	139.4°	11.6

Loading polar chart…