HRUBY — ORC Rating | RegattaPages

GPH

769.8

OSN

744.3

LOA

8.25 m

Displacement

2698 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5306

Medium

0.7227

High

0.8287

Triple Offshore

Low

0.6789

Medium

0.8818

High

0.9803

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: 15.07 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: 118.9

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.

6,43,3.719131,52,4.13,60,4.35,75,4.5,90,4.54,110,4.64,120,4.51,135,4.11,147.8,3.639831,150,3.55
8,40.9,4.326235,52,4.87,60,5.12,75,5.32,90,5.48,110,5.6,120,5.49,135,5.04,150,4.47,152.3,4.382232
10,40.8,4.861326,52,5.46,60,5.63,75,5.77,90,5.95,110,6.04,120,5.99,135,5.76,150,5.28,152,5.187171
12,40.2,5.250093,52,5.74,60,5.88,75,6.01,90,6.14,110,6.34,120,6.31,135,6.12,150,5.83,161.9,5.481235
14,39,5.35292,52,5.88,60,6.03,75,6.18,90,6.25,110,6.61,120,6.61,135,6.42,150,6.15,176.6,5.730086
16,38.8,5.38919,52,5.93,60,6.1,75,6.32,90,6.43,110,6.79,120,6.91,135,6.75,150,6.43,179,6.050922
20,39.6,5.398999,52,5.94,60,6.13,75,6.47,90,6.74,110,7.03,120,7.29,135,7.38,150,7.04,179,6.591004

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.13	4.35	4.5	4.54	4.64	4.51	4.11	3.55
8	4.87	5.12	5.32	5.48	5.6	5.49	5.04	4.47
10	5.46	5.63	5.77	5.95	6.04	5.99	5.76	5.28
12	5.74	5.88	6.01	6.14	6.34	6.31	6.12	5.83
14	5.88	6.03	6.18	6.25	6.61	6.61	6.42	6.15
16	5.93	6.1	6.32	6.43	6.79	6.91	6.75	6.43
20	5.94	6.13	6.47	6.74	7.03	7.29	7.38	7.04

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	2.72	147.8°	3.08
8	40.9°	3.27	152.3°	3.88
10	40.8°	3.68	152°	4.58
12	40.2°	4.01	161.9°	5.21
14	39°	4.16	176.6°	5.72
16	38.8°	4.2	179°	6.05
20	39.6°	4.16	179°	6.59

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