ORC Rating | RegattaPages

GPH

698

OSN

685.7

LOA

7.5 m

Displacement

798 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6806

Medium

0.8608

High

0.9619

Triple Offshore

Low

0.88

Medium

1.0732

High

1.1864

Boat Specifications

Dimensions

Length overall: 7.5 m
Beam: 1.86 m
Draft: 1.16 m
Displacement: 798 kg
Crew weight: 240 kg
Wetted surface: 9.77 m²

Sails

Mainsail: 17.37 m²
Genoa: 8.04 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 40.07 m²

Design

Type: M 7.50
Builder: BG Race
Designer: G.Breteche
Year built: 1987

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.

6,42.6,4.252156,52,4.77,60,5.05,75,5.29,90,5.59,110,5.64,120,5.45,135,4.77,143.3,4.315422,150,4
8,41.3,5.018208,52,5.61,60,5.83,75,6.01,90,6.08,110,6.33,120,6.26,135,5.86,146.7,5.252406,150,5.07
10,40.5,5.234046,52,5.84,60,6.06,75,6.31,90,6.41,110,6.75,120,6.85,135,6.47,149.8,5.889331,150,5.88
12,40.6,5.307721,52,5.91,60,6.14,75,6.51,90,6.78,110,7.08,120,7.37,135,7.12,150,6.38,150.5,6.353724
14,40.6,5.386744,52,5.93,60,6.17,75,6.61,90,7.06,110,7.38,120,7.77,135,7.92,150,6.88,177.3,6.056724
16,41.6,5.482763,52,6.03,60,6.27,75,6.66,90,7.22,110,7.68,120,8.18,135,8.87,143.2,8.229976,150,7.61
20,44.1,5.500425,52,5.98,60,6.26,75,6.82,90,7.32,110,8.28,120,9,135,10.33,143.6,10.523127,150,9.78

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.77	5.05	5.29	5.59	5.64	5.45	4.77	4
8	5.61	5.83	6.01	6.08	6.33	6.26	5.86	5.07
10	5.84	6.06	6.31	6.41	6.75	6.85	6.47	5.88
12	5.91	6.14	6.51	6.78	7.08	7.37	7.12	6.38
14	5.93	6.17	6.61	7.06	7.38	7.77	7.92	6.88
16	6.03	6.27	6.66	7.22	7.68	8.18	8.87	7.61
20	5.98	6.26	6.82	7.32	8.28	9	10.33	9.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.13	143.3°	3.46
8	41.3°	3.77	146.7°	4.39
10	40.5°	3.98	149.8°	5.09
12	40.6°	4.03	150.5°	5.53
14	40.6°	4.09	177.3°	6.05
16	41.6°	4.1	143.2°	6.59
20	44.1°	3.95	143.6°	8.47

Loading polar chart…