ZEFIREK — ORC Rating | RegattaPages

GPH

791.3

OSN

765.1

LOA

7.265 m

Displacement

1629 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5114

Medium

0.6992

High

0.8277

Triple Offshore

Low

0.6557

Medium

0.8565

High

0.9801

Boat Specifications

Dimensions

Length overall: 7.265 m
Beam: 2.66 m
Draft: 1.54 m
Displacement: 1629 kg
Crew weight: 400 kg
Wetted surface: 12.36 m²

Sails

Mainsail: 12.28 m²
Genoa: 16.33 m²
Spinnaker: 37.78 m²
Asymmetric spinnaker: 0 m²

Design

Type: Conrad 24
Builder: Stocznia "Conrada"
Designer: M. Dufour
Year built: 1976
Stability index: 99.9

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.

6,43.9,3.622227,52,3.99,60,4.21,75,4.37,90,4.41,110,4.5,120,4.36,135,3.97,148.7,3.499291,150,3.45
8,42.6,4.252156,52,4.73,60,4.98,75,5.15,90,5.32,110,5.4,120,5.29,135,4.88,150,4.33,152.3,4.246699
10,42.6,4.781978,52,5.28,60,5.46,75,5.59,90,5.8,110,5.85,120,5.79,135,5.56,150,5.11,153.8,4.959553
12,41.1,5.109059,52,5.58,60,5.72,75,5.84,90,6.12,110,6.2,120,6.13,135,5.92,150,5.64,164,5.274318
14,39,5.288582,52,5.77,60,5.91,75,6.06,90,6.38,110,6.54,120,6.47,135,6.25,150,5.96,177.2,5.556634
16,37.6,5.402065,52,5.93,60,6.09,75,6.28,90,6.53,110,6.85,120,6.8,135,6.58,150,6.26,179,5.870894
20,38.1,5.476945,52,6.05,60,6.29,75,6.62,90,6.76,110,7.28,120,7.39,135,7.18,150,6.85,179,6.440981

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.99	4.21	4.37	4.41	4.5	4.36	3.97	3.45
8	4.73	4.98	5.15	5.32	5.4	5.29	4.88	4.33
10	5.28	5.46	5.59	5.8	5.85	5.79	5.56	5.11
12	5.58	5.72	5.84	6.12	6.2	6.13	5.92	5.64
14	5.77	5.91	6.06	6.38	6.54	6.47	6.25	5.96
16	5.93	6.09	6.28	6.53	6.85	6.8	6.58	6.26
20	6.05	6.29	6.62	6.76	7.28	7.39	7.18	6.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	2.61	148.7°	2.99
8	42.6°	3.13	152.3°	3.76
10	42.6°	3.52	153.8°	4.45
12	41.1°	3.85	164°	5.07
14	39°	4.11	177.2°	5.55
16	37.6°	4.28	179°	5.87
20	38.1°	4.31	179°	6.44

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