PETROUCHKA II: ORC Rating

GPH

686.2

OSN

666.7

LOA

10.345 m

Displacement

5650 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6012

Medium

0.8047

High

0.9185

Triple Offshore

Low

0.7685

Medium

0.9852

High

1.0912

Boat Specifications

Dimensions

Length overall: 10.345 m
Beam: 3.32 m
Draft: 1.83 m
Displacement: 5650 kg
Crew weight: 300 kg
Wetted surface: 23.37 m²

Sails

Mainsail: 26.76 m²
Genoa: 41.41 m²
Spinnaker: 90.54 m²
Asymmetric spinnaker: 0 m²

Design

Type: PUMA 34
Builder: INERGA
Designer: HOLMAN & PYE
Year built: 1974
Stability index: 127.1

Performance data

Polar CSV

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

6,42.4,4.292744,52,4.78,60,5.02,75,5.2,90,5.14,110,5.13,120,5.01,135,4.58,146.9,4.070579,150,3.94
8,41.4,5.012591,52,5.63,60,5.9,75,6.07,90,6.05,110,6.19,120,6.08,135,5.61,150,4.92,151.4,4.86342
10,42,5.651657,52,6.21,60,6.39,75,6.52,90,6.58,110,6.72,120,6.66,135,6.4,150,5.82,151.4,5.75182
12,41.2,5.927581,52,6.47,60,6.63,75,6.76,90,6.81,110,7.05,120,7.02,135,6.82,150,6.47,158.8,6.156659
14,40.6,6.032099,52,6.59,60,6.77,75,6.95,90,7.03,110,7.31,120,7.36,135,7.16,150,6.84,173.6,6.329446
16,40.3,6.097015,52,6.65,60,6.85,75,7.1,90,7.24,110,7.47,120,7.66,135,7.51,150,7.16,179,6.691019
20,40.6,6.124293,52,6.69,60,6.91,75,7.27,90,7.58,110,7.78,120,7.99,135,8.12,150,7.8,178.4,7.302847

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.02	5.2	5.14	5.13	5.01	4.58	3.94
8	5.63	5.9	6.07	6.05	6.19	6.08	5.61	4.92
10	6.21	6.39	6.52	6.58	6.72	6.66	6.4	5.82
12	6.47	6.63	6.76	6.81	7.05	7.02	6.82	6.47
14	6.59	6.77	6.95	7.03	7.31	7.36	7.16	6.84
16	6.65	6.85	7.1	7.24	7.47	7.66	7.51	7.16
20	6.69	6.91	7.27	7.58	7.78	7.99	8.12	7.8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.17	146.9°	3.41
8	41.4°	3.76	151.4°	4.27
10	42°	4.2	151.4°	5.05
12	41.2°	4.46	158.8°	5.74
14	40.6°	4.58	173.6°	6.29
16	40.3°	4.65	179°	6.69
20	40.6°	4.65	178.4°	7.3

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°	4.78	5.63	6.21	6.47	6.59	6.65	6.69
60°	5.02	5.90	6.39	6.63	6.77	6.85	6.91
75°	5.20	6.07	6.52	6.76	6.95	7.10	7.27
90°	5.14	6.05	6.58	6.81	7.03	7.24	7.58
110°	5.13	6.19	6.72	7.05	7.31	7.47	7.78
120°	5.01	6.08	6.66	7.02	7.36	7.66	7.99
135°	4.58	5.61	6.40	6.82	7.16	7.51	8.12
150°	3.94	4.92	5.82	6.47	6.84	7.16	7.80