HRUBY — ORC Rating | RegattaPages

GPH

767.3

OSN

741.8

LOA

8.25 m

Displacement

2698 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5367

Medium

0.7268

High

0.8261

Triple Offshore

Low

0.6851

Medium

0.8837

High

0.9754

Boat Specifications

Dimensions

Length overall: 8.25 m
Beam: 2.82 m
Draft: 1.76 m
Displacement: 2698 kg
Crew weight: 280 kg
Wetted surface: 15.09 m²

Sails

Mainsail: 13.83 m²
Genoa: 20.06 m²
Spinnaker: 46.72 m²
Asymmetric spinnaker: 0 m²

Design

Type: GRANADA 27
Builder: GESTEN GLASFIBER
Designer: ELVSTROEM/KJAERULF
Year built: 1976
Stability index: 119.4

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.

6,42.9,3.795,52,4.21,60,4.42,75,4.55,90,4.55,110,4.65,120,4.51,135,4.1,147.5,3.604495,150,3.52
8,40.6,4.438466,52,4.98,60,5.19,75,5.34,90,5.43,110,5.57,120,5.46,135,5.05,150,4.47,151.4,4.41922
10,39.6,4.892843,52,5.47,60,5.63,75,5.77,90,5.89,110,6.03,120,5.98,135,5.74,150,5.27,154.1,5.091391
12,39.1,5.180103,52,5.72,60,5.87,75,6.01,90,6.1,110,6.32,120,6.31,135,6.13,150,5.82,162.8,5.432971
14,38.7,5.291952,52,5.84,60,6,75,6.18,90,6.24,110,6.55,120,6.58,135,6.44,150,6.16,175.4,5.71842
16,38.4,5.320958,52,5.89,60,6.06,75,6.3,90,6.41,110,6.73,120,6.82,135,6.73,150,6.45,179,6.050922
20,39,5.340052,52,5.92,60,6.11,75,6.42,90,6.65,110,6.94,120,7.22,135,7.29,150,6.99,179,6.591004

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.21	4.42	4.55	4.55	4.65	4.51	4.1	3.52
8	4.98	5.19	5.34	5.43	5.57	5.46	5.05	4.47
10	5.47	5.63	5.77	5.89	6.03	5.98	5.74	5.27
12	5.72	5.87	6.01	6.1	6.32	6.31	6.13	5.82
14	5.84	6	6.18	6.24	6.55	6.58	6.44	6.16
16	5.89	6.06	6.3	6.41	6.73	6.82	6.73	6.45
20	5.92	6.11	6.42	6.65	6.94	7.22	7.29	6.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	2.78	147.5°	3.04
8	40.6°	3.37	151.4°	3.88
10	39.6°	3.77	154.1°	4.58
12	39.1°	4.02	162.8°	5.19
14	38.7°	4.13	175.4°	5.7
16	38.4°	4.17	179°	6.05
20	39°	4.15	179°	6.59

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