TYBO: ORC Rating

GPH

656.3

OSN

632.7

LOA

12.111 m

Displacement

7517 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6478

Medium

0.9358

High

1.1454

Triple Offshore

Low

0.8498

Medium

1.1823

High

1.3791

Boat Specifications

Dimensions

Length overall: 12.111 m
Beam: 3.04 m
Draft: 2.19 m
Displacement: 7517 kg
Crew weight: 899 kg
Wetted surface: 32.66 m²

Sails

Mainsail: 33.87 m²
Genoa: 39.75 m²
Spinnaker: 96.79 m²
Asymmetric spinnaker: 70.46 m²

Design

Type: ADAMS 11.9
Builder: PETER McFARLANE
Designer: ADAMS
Year built: 1970

Performance data

Polar CSV

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

6,45.2,4.186569,52,4.62,60,4.98,75,5.3,90,5.29,110,5.22,120,5.05,135,4.4,146.2,3.89899,150,3.74
8,43.6,5.095476,52,5.67,60,6.03,75,6.38,90,6.37,110,6.47,120,6.29,135,5.67,149,4.888194,150,4.84
10,42.6,5.76011,52,6.49,60,6.89,75,7.21,90,7.31,110,7.42,120,7.29,135,6.78,148.2,6.000758,150,5.89
12,42.9,6.443309,52,7.15,60,7.43,75,7.64,90,7.76,110,7.89,120,7.81,135,7.51,150,6.83,152,6.71614
14,41.8,6.760781,52,7.44,60,7.69,75,7.91,90,7.95,110,8.21,120,8.17,135,7.92,150,7.49,158.4,7.09848
16,40.4,6.867678,52,7.57,60,7.8,75,8.1,90,8.19,110,8.47,120,8.56,135,8.25,150,7.87,175.7,7.230352
20,39.1,6.984118,52,7.69,60,7.91,75,8.28,90,8.62,110,8.87,120,9.16,135,9.12,150,8.54,180,7.99

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.62	4.98	5.3	5.29	5.22	5.05	4.4	3.74
8	5.67	6.03	6.38	6.37	6.47	6.29	5.67	4.84
10	6.49	6.89	7.21	7.31	7.42	7.29	6.78	5.89
12	7.15	7.43	7.64	7.76	7.89	7.81	7.51	6.83
14	7.44	7.69	7.91	7.95	8.21	8.17	7.92	7.49
16	7.57	7.8	8.1	8.19	8.47	8.56	8.25	7.87
20	7.69	7.91	8.28	8.62	8.87	9.16	9.12	8.54

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.2°	2.95	146.2°	3.24
8	43.6°	3.69	149°	4.19
10	42.6°	4.24	148.2°	5.1
12	42.9°	4.72	152°	5.93
14	41.8°	5.04	158.4°	6.6
16	40.4°	5.23	175.7°	7.21
20	39.1°	5.42	180°	7.99

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°	4.62	5.67	6.49	7.15	7.44	7.57	7.69
60°	4.98	6.03	6.89	7.43	7.69	7.80	7.91
75°	5.30	6.38	7.21	7.64	7.91	8.10	8.28
90°	5.29	6.37	7.31	7.76	7.95	8.19	8.62
110°	5.22	6.47	7.42	7.89	8.21	8.47	8.87
120°	5.05	6.29	7.29	7.81	8.17	8.56	9.16
135°	4.40	5.67	6.78	7.51	7.92	8.25	9.12
150°	3.74	4.84	5.89	6.83	7.49	7.87	8.54