PATCH: ORC Rating

GPH

697.3

OSN

679.2

LOA

7.425 m

Displacement

1408 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6053

Medium

0.7954

High

0.891

Triple Offshore

Low

0.7729

Medium

0.9593

High

1.0651

Boat Specifications

Dimensions

Length overall: 7.425 m
Beam: 2.51 m
Draft: 1.58 m
Displacement: 1408 kg
Crew weight: 400 kg
Wetted surface: 11.07 m²

Sails

Mainsail: 18.5 m²
Genoa: 14.76 m²
Spinnaker: 48.76 m²
Asymmetric spinnaker: 52.4 m²

Design

Type: Nytec 25
Builder: Nytec
Designer: Della Rosa
Year built: 1994

Performance data

Polar CSV

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

6,41.2,4.19981,52,4.77,60,5.02,75,5.21,90,5.34,110,5.4,120,5.24,135,4.72,147,4.149424,150,4.02
8,41.6,5.028095,52,5.54,60,5.7,75,5.81,90,5.97,110,6.05,120,5.97,135,5.66,148,5.094051,150,4.98
10,38.2,5.344485,52,5.87,60,5.99,75,6.1,90,6.31,110,6.49,120,6.42,135,6.15,150,5.72,155,5.505856
12,36.8,5.519954,52,6.06,60,6.2,75,6.36,90,6.51,110,6.9,120,6.88,135,6.58,150,6.17,180,5.63
14,36.4,5.578376,52,6.16,60,6.36,75,6.61,90,6.71,110,7.21,120,7.33,135,7.02,150,6.56,180,6.06
16,36.4,5.603224,52,6.21,60,6.44,75,6.79,90,6.97,110,7.42,120,7.77,135,7.5,150,6.96,180,6.43
20,36.9,5.602208,52,6.23,60,6.49,75,6.94,90,7.37,110,7.88,120,8.49,135,9.14,150,8.01,180,7.19

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.77	5.02	5.21	5.34	5.4	5.24	4.72	4.02
8	5.54	5.7	5.81	5.97	6.05	5.97	5.66	4.98
10	5.87	5.99	6.1	6.31	6.49	6.42	6.15	5.72
12	6.06	6.2	6.36	6.51	6.9	6.88	6.58	6.17
14	6.16	6.36	6.61	6.71	7.21	7.33	7.02	6.56
16	6.21	6.44	6.79	6.97	7.42	7.77	7.5	6.96
20	6.23	6.49	6.94	7.37	7.88	8.49	9.14	8.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.16	147°	3.48
8	41.6°	3.76	148°	4.32
10	38.2°	4.2	155°	4.99
12	36.8°	4.42	180°	5.63
14	36.4°	4.49	180°	6.06
16	36.4°	4.51	180°	6.43
20	36.9°	4.48	180°	7.19

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°	4.77	5.54	5.87	6.06	6.16	6.21	6.23
60°	5.02	5.70	5.99	6.20	6.36	6.44	6.49
75°	5.21	5.81	6.10	6.36	6.61	6.79	6.94
90°	5.34	5.97	6.31	6.51	6.71	6.97	7.37
110°	5.40	6.05	6.49	6.90	7.21	7.42	7.88
120°	5.24	5.97	6.42	6.88	7.33	7.77	8.49
135°	4.72	5.66	6.15	6.58	7.02	7.50	9.14
150°	4.02	4.98	5.72	6.17	6.56	6.96	8.01