GRUMETE — ORC Rating | RegattaPages

GPH

731.2

OSN

708.9

LOA

7.606 m

Displacement

1435 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5698

Medium

0.762

High

0.8619

Triple Offshore

Low

0.7271

Medium

0.9206

High

1.0265

Boat Specifications

Dimensions

Length overall: 7.606 m
Beam: 2.9 m
Draft: 1.49 m
Displacement: 1435 kg
Crew weight: 250 kg
Wetted surface: 12.32 m²

Sails

Mainsail: 17.42 m²
Genoa: 15.8 m²
Spinnaker: 33.6 m²
Asymmetric spinnaker: 0 m²

Design

Type: MANZANITA
Builder: FIBRAMAR
Designer: R. HOLLAND
Year built: 1977
Stability index: 123.5

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.

6,42.4,4.197952,52,4.67,60,4.87,75,4.99,90,4.9,110,4.88,120,4.71,135,4.22,147.5,3.663779,150,3.57
8,40.2,4.844225,52,5.37,60,5.53,75,5.63,90,5.68,110,5.7,120,5.57,135,5.13,150,4.54,152,4.462326
10,38.4,5.218877,52,5.74,60,5.87,75,5.98,90,6.11,110,6.15,120,6.06,135,5.78,150,5.32,156.8,5.059103
12,37.2,5.410971,52,5.96,60,6.09,75,6.23,90,6.41,110,6.52,120,6.43,135,6.18,150,5.85,169.1,5.387192
14,37.1,5.516661,52,6.09,60,6.25,75,6.45,90,6.64,110,6.87,120,6.79,135,6.54,150,6.22,177.2,5.786909
16,37.2,5.561624,52,6.16,60,6.35,75,6.61,90,6.8,110,7.21,120,7.17,135,6.9,150,6.56,179,6.140935
20,38.7,5.612288,52,6.2,60,6.44,75,6.82,90,7.13,110,8.02,120,8.27,135,7.88,150,7.3,179,6.791034

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.67	4.87	4.99	4.9	4.88	4.71	4.22	3.57
8	5.37	5.53	5.63	5.68	5.7	5.57	5.13	4.54
10	5.74	5.87	5.98	6.11	6.15	6.06	5.78	5.32
12	5.96	6.09	6.23	6.41	6.52	6.43	6.18	5.85
14	6.09	6.25	6.45	6.64	6.87	6.79	6.54	6.22
16	6.16	6.35	6.61	6.8	7.21	7.17	6.9	6.56
20	6.2	6.44	6.82	7.13	8.02	8.27	7.88	7.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.1	147.5°	3.09
8	40.2°	3.7	152°	3.94
10	38.4°	4.09	156.8°	4.65
12	37.2°	4.31	169.1°	5.29
14	37.1°	4.4	177.2°	5.78
16	37.2°	4.43	179°	6.14
20	38.7°	4.38	179°	6.79

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