SHAYA MOYA: ORC Rating

GPH

591.6

OSN

577.2

LOA

9.61 m

Displacement

2370 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8022

Medium

1.0331

High

1.1766

Triple Offshore

Low

1.0256

Medium

1.2699

High

1.4316

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.32 m
Draft: 1.9 m
Displacement: 2370 kg
Crew weight: 540 kg
Wetted surface: 19.45 m²

Sails

Mainsail: 35.11 m²
Genoa: 28.77 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 110.12 m²

Design

Type: Mount Gay 30 MBD
Designer: Dovell
Year built: 1997

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,42,5.086492,52,5.72,60,6.03,75,6.26,90,6.19,110,6.3,120,6.17,135,5.47,143.4,4.969996,150,4.61
8,40.4,6.001011,52,6.61,60,6.77,75,6.89,90,6.94,110,7.13,120,7.05,135,6.68,146.5,5.972041,150,5.75
10,38.1,6.315642,52,6.94,60,7.12,75,7.32,90,7.33,110,7.73,120,7.75,135,7.33,150,6.66,150.1,6.655925
12,36.8,6.406643,52,7.09,60,7.33,75,7.72,90,7.83,110,8.12,120,8.43,135,8.04,150,7.23,150.2,7.225455
14,36.3,6.464595,52,7.17,60,7.46,75,7.96,90,8.3,110,8.48,120,8.94,135,8.89,147.2,8.030298,150,7.79
16,36.4,6.472904,52,7.22,60,7.54,75,8.11,90,8.67,110,8.86,120,9.33,135,9.88,144.7,9.042593,150,8.52
20,37.1,6.569842,52,7.32,60,7.67,75,8.24,90,9.02,110,9.68,120,10.3,135,12,141.1,12.232681,150,11

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.72	6.03	6.26	6.19	6.3	6.17	5.47	4.61
8	6.61	6.77	6.89	6.94	7.13	7.05	6.68	5.75
10	6.94	7.12	7.32	7.33	7.73	7.75	7.33	6.66
12	7.09	7.33	7.72	7.83	8.12	8.43	8.04	7.23
14	7.17	7.46	7.96	8.3	8.48	8.94	8.89	7.79
16	7.22	7.54	8.11	8.67	8.86	9.33	9.88	8.52
20	7.32	7.67	8.24	9.02	9.68	10.3	12	11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.78	143.4°	3.99
8	40.4°	4.57	146.5°	4.98
10	38.1°	4.97	150.1°	5.77
12	36.8°	5.13	150.2°	6.27
14	36.3°	5.21	147.2°	6.75
16	36.4°	5.21	144.7°	7.38
20	37.1°	5.24	141.1°	9.52

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.72	6.61	6.94	7.09	7.17	7.22	7.32
60°	6.03	6.77	7.12	7.33	7.46	7.54	7.67
75°	6.26	6.89	7.32	7.72	7.96	8.11	8.24
90°	6.19	6.94	7.33	7.83	8.30	8.67	9.02
110°	6.30	7.13	7.73	8.12	8.48	8.86	9.68
120°	6.17	7.05	7.75	8.43	8.94	9.33	10.30
135°	5.47	6.68	7.33	8.04	8.89	9.88	12.00
150°	4.61	5.75	6.66	7.23	7.79	8.52	11.00