KRAKEN: ORC Rating

GPH

617

OSN

600.1

LOA

9.529 m

Displacement

2914 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6729

Medium

0.8933

High

1.0084

Triple Offshore

Low

0.863

Medium

1.0896

High

1.2209

Boat Specifications

Dimensions

Length overall: 9.529 m
Beam: 3.29 m
Draft: 1.98 m
Displacement: 2914 kg
Crew weight: 620 kg
Wetted surface: 20.82 m²

Sails

Mainsail: 37.74 m²
Genoa: 27.79 m²
Spinnaker: 88.05 m²
Asymmetric spinnaker: 0 m²

Design

Type: MOUNT GAY 30
Builder: YACHT SERVICES
Designer: S. ROGERS
Year built: 1993
Stability index: 105.9

Performance data

Polar CSV

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

6,42.6,4.809148,52,5.38,60,5.69,75,5.92,90,5.84,110,5.88,120,5.73,135,5.19,141.9,4.828861,150,4.38
8,41.4,5.69249,52,6.33,60,6.54,75,6.68,90,6.76,110,6.84,120,6.75,135,6.33,148.7,5.559074,150,5.48
10,39.4,6.185832,52,6.79,60,6.94,75,7.07,90,7.13,110,7.39,120,7.3,135,6.98,150,6.43,152.9,6.268164
12,38.4,6.341765,52,6.97,60,7.17,75,7.42,90,7.48,110,7.9,120,7.91,135,7.51,150,7.01,161,6.610129
14,38.1,6.417302,52,7.05,60,7.29,75,7.71,90,7.9,110,8.23,120,8.52,135,8.11,150,7.5,175.4,6.821974
16,38,6.459303,52,7.1,60,7.36,75,7.87,90,8.28,110,8.54,120,8.99,135,8.82,150,8.05,177.2,7.248654
20,38.2,6.515181,52,7.17,60,7.45,75,8.02,90,8.71,110,9.12,120,9.79,135,10.77,150,9.42,171.2,8.348273

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.69	5.92	5.84	5.88	5.73	5.19	4.38
8	6.33	6.54	6.68	6.76	6.84	6.75	6.33	5.48
10	6.79	6.94	7.07	7.13	7.39	7.3	6.98	6.43
12	6.97	7.17	7.42	7.48	7.9	7.91	7.51	7.01
14	7.05	7.29	7.71	7.9	8.23	8.52	8.11	7.5
16	7.1	7.36	7.87	8.28	8.54	8.99	8.82	8.05
20	7.17	7.45	8.02	8.71	9.12	9.79	10.77	9.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.54	141.9°	3.8
8	41.4°	4.27	148.7°	4.75
10	39.4°	4.78	152.9°	5.58
12	38.4°	4.97	161°	6.25
14	38.1°	5.05	175.4°	6.8
16	38°	5.09	177.2°	7.24
20	38.2°	5.12	171.2°	8.25

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°	5.38	6.33	6.79	6.97	7.05	7.10	7.17
60°	5.69	6.54	6.94	7.17	7.29	7.36	7.45
75°	5.92	6.68	7.07	7.42	7.71	7.87	8.02
90°	5.84	6.76	7.13	7.48	7.90	8.28	8.71
110°	5.88	6.84	7.39	7.90	8.23	8.54	9.12
120°	5.73	6.75	7.30	7.91	8.52	8.99	9.79
135°	5.19	6.33	6.98	7.51	8.11	8.82	10.77
150°	4.38	5.48	6.43	7.01	7.50	8.05	9.42