Navarin: ORC Rating

GPH

755.1

OSN

735.9

LOA

7.14 m

Displacement

1335 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5526

Medium

0.7343

High

0.8183

Triple Offshore

Low

0.7084

Medium

0.8901

High

0.9792

Boat Specifications

Dimensions

Length overall: 7.14 m
Beam: 2.49 m
Draft: 1.51 m
Displacement: 1335 kg
Crew weight: 298 kg
Wetted surface: 11.14 m²

Sails

Mainsail: 16.68 m²
Genoa: 11.85 m²
Spinnaker: 32.83 m²
Asymmetric spinnaker: 0 m²

Design

Type: Opty 71
Builder: MSJ im. Teligi
Designer: A. ARMINSKI
Year built: 1978

Performance data

Polar CSV

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

6,41.2,3.907419,52,4.43,60,4.66,75,4.83,90,4.91,110,4.9,120,4.68,135,4.16,149,3.62823,150,3.59
8,41.2,4.611817,52,5.16,60,5.35,75,5.47,90,5.62,110,5.63,120,5.54,135,5.11,150,4.49,153,4.365849
10,39.9,5.018476,52,5.51,60,5.64,75,5.75,90,5.96,110,6,120,5.92,135,5.71,150,5.29,155,5.086572
12,38.8,5.20955,52,5.69,60,5.82,75,5.97,90,6.24,110,6.36,120,6.28,135,6.04,150,5.76,180,5.29
14,38.6,5.271775,52,5.79,60,5.96,75,6.18,90,6.4,110,6.72,120,6.66,135,6.39,150,6.06,180,5.72
16,39,5.314317,52,5.83,60,6.03,75,6.35,90,6.52,110,7,120,7.02,135,6.76,150,6.4,180,6.02
20,41.2,5.329506,52,5.81,60,6.06,75,6.5,90,6.87,110,7.32,120,7.63,135,7.52,150,7.08,180,6.66

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.43	4.66	4.83	4.91	4.9	4.68	4.16	3.59
8	5.16	5.35	5.47	5.62	5.63	5.54	5.11	4.49
10	5.51	5.64	5.75	5.96	6	5.92	5.71	5.29
12	5.69	5.82	5.97	6.24	6.36	6.28	6.04	5.76
14	5.79	5.96	6.18	6.4	6.72	6.66	6.39	6.06
16	5.83	6.03	6.35	6.52	7	7.02	6.76	6.4
20	5.81	6.06	6.5	6.87	7.32	7.63	7.52	7.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	2.94	149°	3.11
8	41.2°	3.47	153°	3.89
10	39.9°	3.85	155°	4.61
12	38.8°	4.06	180°	5.29
14	38.6°	4.12	180°	5.72
16	39°	4.13	180°	6.02
20	41.2°	4.01	180°	6.66

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°	4.43	5.16	5.51	5.69	5.79	5.83	5.81
60°	4.66	5.35	5.64	5.82	5.96	6.03	6.06
75°	4.83	5.47	5.75	5.97	6.18	6.35	6.50
90°	4.91	5.62	5.96	6.24	6.40	6.52	6.87
110°	4.90	5.63	6.00	6.36	6.72	7.00	7.32
120°	4.68	5.54	5.92	6.28	6.66	7.02	7.63
135°	4.16	5.11	5.71	6.04	6.39	6.76	7.52
150°	3.59	4.49	5.29	5.76	6.06	6.40	7.08