MYMBLE: ORC Rating

GPH

607

OSN

592.6

LOA

9.95 m

Displacement

3748 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6802

Medium

0.8983

High

1.0111

Triple Offshore

Low

0.883

Medium

1.1054

High

1.2278

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 1.98 m
Displacement: 3748 kg
Crew weight: 480 kg
Wetted surface: 22.52 m²

Sails

Mainsail: 33.82 m²
Genoa: 27.13 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 97.23 m²

Design

Type: J 99
Builder: J COMPOSITES
Designer: JOHNSTONE
Year built: 2019

Performance data

Polar CSV

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

6,45.5,5.107651,52,5.6,60,6.01,75,6.35,90,6.41,110,6.09,120,5.77,135,5.2,143.7,4.739876,150,4.41
8,42.8,5.901354,52,6.52,60,6.79,75,7.03,90,7.11,110,6.95,120,6.84,135,6.39,147.8,5.684281,150,5.56
10,38.7,6.188893,52,6.85,60,7.08,75,7.36,90,7.52,110,7.47,120,7.42,135,7.12,149.4,6.517632,150,6.47
12,37.3,6.448989,52,7.11,60,7.26,75,7.55,90,7.83,110,7.89,120,7.9,135,7.62,150,7.05,150.2,7.041073
14,36.7,6.547966,52,7.25,60,7.44,75,7.67,90,8.06,110,8.25,120,8.37,135,8.12,150,7.424724
16,36.5,6.618094,52,7.32,60,7.53,75,7.85,90,8.23,110,8.66,120,8.86,135,8.66,150,7.77,174.5,6.962052
20,36.7,6.697634,52,7.41,60,7.65,75,8.06,90,8.5,110,9.54,120,9.81,135,10.39,150,8.53,175.7,7.691651
24,37.8,6.7202,52,7.42,60,7.68,75,8.18,90,8.78,110,10.49,120,11.6,135,13.5,140.9,13.24663,150,11.87

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.6	6.01	6.35	6.41	6.09	5.77	5.2	4.41
8	6.52	6.79	7.03	7.11	6.95	6.84	6.39	5.56
10	6.85	7.08	7.36	7.52	7.47	7.42	7.12	6.47
12	7.11	7.26	7.55	7.83	7.89	7.9	7.62	7.05
14	7.25	7.44	7.67	8.06	8.25	8.37	8.12	7.42
16	7.32	7.53	7.85	8.23	8.66	8.86	8.66	7.77
20	7.41	7.65	8.06	8.5	9.54	9.81	10.39	8.53
24	7.42	7.68	8.18	8.78	10.49	11.6	13.5	11.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.5°	3.58	143.7°	3.82
8	42.8°	4.33	147.8°	4.81
10	38.7°	4.83	149.4°	5.61
12	37.3°	5.13	150.2°	6.11
14	36.7°	5.25	150°	6.43
16	36.5°	5.32	174.5°	6.93
20	36.7°	5.37	175.7°	7.67
24	37.8°	5.31	140.9°	10.28

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.60	6.52	6.85	7.11	7.25	7.32	7.41	7.42
60°	6.01	6.79	7.08	7.26	7.44	7.53	7.65	7.68
75°	6.35	7.03	7.36	7.55	7.67	7.85	8.06	8.18
90°	6.41	7.11	7.52	7.83	8.06	8.23	8.50	8.78
110°	6.09	6.95	7.47	7.89	8.25	8.66	9.54	10.49
120°	5.77	6.84	7.42	7.90	8.37	8.86	9.81	11.60
135°	5.20	6.39	7.12	7.62	8.12	8.66	10.39	13.50
150°	4.41	5.56	6.47	7.05	7.42	7.77	8.53	11.87