SIRA — ORC Rating | RegattaPages

GPH

599.8

OSN

578.7

LOA

14.75 m

Displacement

14400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7128

Medium

1.0167

High

1.2059

Triple Offshore

Low

0.9333

Medium

1.2941

High

1.4947

Boat Specifications

Dimensions

Length overall: 14.75 m
Beam: 4.76 m
Draft: 2.35 m
Displacement: 14400 kg
Crew weight: 600 kg
Wetted surface: 50.8 m²

Sails

Mainsail: 62.1 m²
Genoa: 48.3 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 156.05 m²

Design

Type: HANSE 505 (T-keel)
Builder: HANSE
Designer: JUDEL VROLIJK
Year built: 2012

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.

6,45.3,4.506716,52,4.95,60,5.3,75,5.59,90,5.77,110,5.85,120,5.66,135,5.04,143.6,4.559608,150,4.24
8,43.7,5.491259,52,6.1,60,6.46,75,6.76,90,7.12,110,7.24,120,7.01,135,6.34,146.9,5.622412,150,5.44
10,42.8,6.282966,52,7.01,60,7.4,75,7.72,90,8.15,110,8.29,120,8.1,135,7.46,147.5,6.651716,150,6.48
12,42.1,6.913972,52,7.74,60,8.08,75,8.34,90,8.68,110,8.85,120,8.73,135,8.31,147.4,7.608739,150,7.4
14,41.9,7.322203,52,8.14,60,8.45,75,8.7,90,8.87,110,9.26,120,9.18,135,8.83,148.6,8.212751,150,8.1
16,41.7,7.460106,52,8.3,60,8.63,75,8.94,90,9.04,110,9.65,120,9.64,135,9.25,150,8.54,150.7,8.497031
20,42.1,7.52046,52,8.37,60,8.72,75,9.21,90,9.57,110,10.11,120,10.59,135,10.22,150,9.2,177.1,8.480861

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.95	5.3	5.59	5.77	5.85	5.66	5.04	4.24
8	6.1	6.46	6.76	7.12	7.24	7.01	6.34	5.44
10	7.01	7.4	7.72	8.15	8.29	8.1	7.46	6.48
12	7.74	8.08	8.34	8.68	8.85	8.73	8.31	7.4
14	8.14	8.45	8.7	8.87	9.26	9.18	8.83	8.1
16	8.3	8.63	8.94	9.04	9.65	9.64	9.25	8.54
20	8.37	8.72	9.21	9.57	10.11	10.59	10.22	9.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.3°	3.17	143.6°	3.67
8	43.7°	3.97	146.9°	4.71
10	42.8°	4.61	147.5°	5.61
12	42.1°	5.13	147.4°	6.41
14	41.9°	5.45	148.6°	7.01
16	41.7°	5.57	150.7°	7.41
20	42.1°	5.58	177.1°	8.47

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