KARYA YELKEN: ORC Rating

GPH

713.5

OSN

691.6

LOA

7.64 m

Displacement

1373 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5634

Medium

0.7684

High

0.883

Triple Offshore

Low

0.7298

Medium

0.95

High

1.0824

Boat Specifications

Dimensions

Length overall: 7.64 m
Beam: 2.38 m
Draft: 1.59 m
Displacement: 1373 kg
Crew weight: 330 kg
Wetted surface: 13.12 m²

Sails

Mainsail: 18.14 m²
Genoa: 10.67 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 44.9 m²

Design

Type: SURPRISE
Builder: ARCHAMBAULT
Designer: JOUBERT-NIVELT
Year built: 1977
Stability index: 106.4

Performance data

Polar CSV

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

6,43.2,3.964505,52,4.4,60,4.64,75,4.82,90,5.18,110,5.19,120,4.94,135,4.4,145.3,3.940915,150,3.74
8,41.4,4.692638,52,5.27,60,5.51,75,5.73,90,6.03,110,6.07,120,5.96,135,5.46,146.9,4.87037,150,4.72
10,40.2,5.263185,52,5.81,60,5.97,75,6.15,90,6.46,110,6.57,120,6.46,135,6.17,147.5,5.703164,150,5.56
12,37.8,5.555872,52,6.11,60,6.25,75,6.39,90,6.75,110,7.11,120,7.01,135,6.63,150,6.1,150.5,6.066485
14,37,5.684696,52,6.27,60,6.46,75,6.7,90,6.95,110,7.62,120,7.63,135,7.17,150,6.41,173.6,5.786059
16,36.6,5.717364,52,6.33,60,6.57,75,6.97,90,7.14,110,7.97,120,8.33,135,7.79,150,6.78,176.6,6.150827
20,37.2,5.762495,52,6.36,60,6.64,75,7.21,90,7.81,110,8.61,120,9.43,135,9.54,140.3,8.942038,150,7.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.4	4.64	4.82	5.18	5.19	4.94	4.4	3.74
8	5.27	5.51	5.73	6.03	6.07	5.96	5.46	4.72
10	5.81	5.97	6.15	6.46	6.57	6.46	6.17	5.56
12	6.11	6.25	6.39	6.75	7.11	7.01	6.63	6.1
14	6.27	6.46	6.7	6.95	7.62	7.63	7.17	6.41
16	6.33	6.57	6.97	7.14	7.97	8.33	7.79	6.78
20	6.36	6.64	7.21	7.81	8.61	9.43	9.54	7.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	2.89	145.3°	3.24
8	41.4°	3.52	146.9°	4.08
10	40.2°	4.02	147.5°	4.81
12	37.8°	4.39	150.5°	5.28
14	37°	4.54	173.6°	5.75
16	36.6°	4.59	176.6°	6.14
20	37.2°	4.59	140.3°	6.88

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°	4.40	5.27	5.81	6.11	6.27	6.33	6.36
60°	4.64	5.51	5.97	6.25	6.46	6.57	6.64
75°	4.82	5.73	6.15	6.39	6.70	6.97	7.21
90°	5.18	6.03	6.46	6.75	6.95	7.14	7.81
110°	5.19	6.07	6.57	7.11	7.62	7.97	8.61
120°	4.94	5.96	6.46	7.01	7.63	8.33	9.43
135°	4.40	5.46	6.17	6.63	7.17	7.79	9.54
150°	3.74	4.72	5.56	6.10	6.41	6.78	7.95