GREENHORN: ORC Rating

GPH

797.7

OSN

774.7

LOA

7.164 m

Displacement

790 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5337

Medium

0.6972

High

0.7723

Triple Offshore

Low

0.6739

Medium

0.839

High

0.9327

Boat Specifications

Dimensions

Length overall: 7.164 m
Beam: 2.49 m
Draft: 1.29 m
Displacement: 790 kg
Crew weight: 184 kg
Wetted surface: 8.31 m²

Sails

Mainsail: 14.34 m²
Genoa: 8.85 m²
Spinnaker: 25.18 m²
Asymmetric spinnaker: 0 m²

Design

Type: Miniton
Builder: Ast Garriga
Designer: Holland
Year built: 1979

Performance data

Polar CSV

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

6,41.2,3.774513,52,4.21,60,4.38,75,4.47,90,4.6,110,4.58,120,4.43,135,4,150,3.48,150.2,3.480203
8,39.8,4.334337,52,4.83,60,4.95,75,5.06,90,5.22,110,5.21,120,5.11,135,4.78,150,4.31,155.4,4.146338
10,39,4.70954,52,5.17,60,5.28,75,5.4,90,5.62,110,5.61,120,5.51,135,5.28,150,4.96,165.5,4.55509
12,37.6,4.871956,52,5.36,60,5.49,75,5.62,90,5.93,110,6.02,120,5.89,135,5.64,150,5.37,177.2,4.975941
14,37.6,4.909821,52,5.45,60,5.62,75,5.86,90,6.12,110,6.46,120,6.31,135,6.03,150,5.71,179,5.350815
16,38.2,4.950011,52,5.49,60,5.69,75,6.03,90,6.26,110,6.91,120,6.82,135,6.45,150,6.07,179,5.670864
20,41.6,5.05484,52,5.5,60,5.75,75,6.19,90,6.66,110,7.5,120,8.11,135,7.6,150,6.95,178.6,6.381905
24,44.2,4.9797,52,1.92,60,5.71,75,6.23,90,6.85,110,8.01,120,9.17,135,9.76,150,8.32,175.2,7.305622

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.21	4.38	4.47	4.6	4.58	4.43	4	3.48
8	4.83	4.95	5.06	5.22	5.21	5.11	4.78	4.31
10	5.17	5.28	5.4	5.62	5.61	5.51	5.28	4.96
12	5.36	5.49	5.62	5.93	6.02	5.89	5.64	5.37
14	5.45	5.62	5.86	6.12	6.46	6.31	6.03	5.71
16	5.49	5.69	6.03	6.26	6.91	6.82	6.45	6.07
20	5.5	5.75	6.19	6.66	7.5	8.11	7.6	6.95
24	1.92	5.71	6.23	6.85	8.01	9.17	9.76	8.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	2.84	150.2°	3.02
8	39.8°	3.33	155.4°	3.77
10	39°	3.66	165.5°	4.41
12	37.6°	3.86	177.2°	4.97
14	37.6°	3.89	179°	5.35
16	38.2°	3.89	179°	5.67
20	41.6°	3.78	178.6°	6.38
24	44.2°	3.57	175.2°	7.28

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°	4.21	4.83	5.17	5.36	5.45	5.49	5.50	1.92
60°	4.38	4.95	5.28	5.49	5.62	5.69	5.75	5.71
75°	4.47	5.06	5.40	5.62	5.86	6.03	6.19	6.23
90°	4.60	5.22	5.62	5.93	6.12	6.26	6.66	6.85
110°	4.58	5.21	5.61	6.02	6.46	6.91	7.50	8.01
120°	4.43	5.11	5.51	5.89	6.31	6.82	8.11	9.17
135°	4.00	4.78	5.28	5.64	6.03	6.45	7.60	9.76
150°	3.48	4.31	4.96	5.37	5.71	6.07	6.95	8.32