CACHAVACHA: ORC Rating

GPH

585.8

OSN

569

LOA

11.615 m

Displacement

6382 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6968

Medium

0.9425

High

1.085

Triple Offshore

Low

0.8991

Medium

1.154

High

1.2945

Boat Specifications

Dimensions

Length overall: 11.615 m
Beam: 3.82 m
Draft: 2.45 m
Displacement: 6382 kg
Crew weight: 620 kg
Wetted surface: 29.92 m²

Sails

Mainsail: 50.2 m²
Genoa: 38.13 m²
Spinnaker: 106.05 m²
Asymmetric spinnaker: 107.02 m²

Design

Type: PRIMA 38
Builder: SEAQUEST YACHTS
Designer: STEPHEN JONES
Year built: 1998
Stability index: 131.6

Performance data

Polar CSV

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

6,42.6,5.067266,52,5.65,60,5.96,75,6.21,90,6.14,110,6.08,120,5.89,135,5.26,143.3,4.78937,150,4.43
8,40.8,5.970977,52,6.72,60,6.98,75,7.16,90,7.2,110,7.26,120,7.12,135,6.52,146.9,5.777596,150,5.59
10,39.9,6.621781,52,7.29,60,7.47,75,7.61,90,7.71,110,7.81,120,7.73,135,7.4,148.4,6.727508,150,6.61
12,38.2,6.82058,52,7.54,60,7.72,75,7.89,90,7.94,110,8.25,120,8.18,135,7.87,150,7.38,156.8,7.060984
14,37.6,6.941906,52,7.66,60,7.87,75,8.14,90,8.25,110,8.66,120,8.7,135,8.34,150,7.83,168.2,7.253281
16,37.5,7.020831,52,7.73,60,7.95,75,8.35,90,8.57,110,8.94,120,9.24,135,8.88,150,8.26,178.4,7.612968
20,36.7,7.134165,52,7.83,60,8.04,75,8.56,90,9.1,110,9.41,120,10,135,10.18,150,9.3,177.2,8.450088

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.65	5.96	6.21	6.14	6.08	5.89	5.26	4.43
8	6.72	6.98	7.16	7.2	7.26	7.12	6.52	5.59
10	7.29	7.47	7.61	7.71	7.81	7.73	7.4	6.61
12	7.54	7.72	7.89	7.94	8.25	8.18	7.87	7.38
14	7.66	7.87	8.14	8.25	8.66	8.7	8.34	7.83
16	7.73	7.95	8.35	8.57	8.94	9.24	8.88	8.26
20	7.83	8.04	8.56	9.1	9.41	10	10.18	9.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.73	143.3°	3.84
8	40.8°	4.52	146.9°	4.84
10	39.9°	5.08	148.4°	5.73
12	38.2°	5.36	156.8°	6.49
14	37.6°	5.5	168.2°	7.1
16	37.5°	5.57	178.4°	7.61
20	36.7°	5.72	177.2°	8.44

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°	5.65	6.72	7.29	7.54	7.66	7.73	7.83
60°	5.96	6.98	7.47	7.72	7.87	7.95	8.04
75°	6.21	7.16	7.61	7.89	8.14	8.35	8.56
90°	6.14	7.20	7.71	7.94	8.25	8.57	9.10
110°	6.08	7.26	7.81	8.25	8.66	8.94	9.41
120°	5.89	7.12	7.73	8.18	8.70	9.24	10.00
135°	5.26	6.52	7.40	7.87	8.34	8.88	10.18
150°	4.43	5.59	6.61	7.38	7.83	8.26	9.30