PETROUCHKA III — ORC Rating

GPH

568.9

OSN

559.8

LOA

12.177 m

Displacement

6073 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8236

Medium

1.0649

High

1.2107

Triple Offshore

Low

1.0726

Medium

1.3191

High

1.4608

Boat Specifications

Dimensions

Length overall: 12.177 m
Beam: 3.67 m
Draft: 2.65 m
Displacement: 6073 kg
Crew weight: 170 kg
Wetted surface: 30.69 m²

Sails

Mainsail: 48.53 m²
Genoa: 38.67 m²
Spinnaker: 126.1 m²
Asymmetric spinnaker: 125.58 m²

Design

Type: PROTO 40
Builder: PROTOTIPO
Year built: 2000

Velocity Prediction

Polar CSV

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

6,42.8,5.56063,52,6.25,60,6.66,75,7.05,90,7.1,110,6.4,120,6.03,135,5.41,142.6,4.972215,150,4.56
8,40.9,6.284287,52,7.08,60,7.4,75,7.71,90,7.79,110,7.45,120,7.31,135,6.7,147.1,5.907435,150,5.73
10,39.8,6.58611,52,7.4,60,7.65,75,7.95,90,8.13,110,8.01,120,7.95,135,7.6,149.5,6.824282,150,6.79
12,39,6.74262,52,7.54,60,7.78,75,8.1,90,8.38,110,8.46,120,8.44,135,8.12,150,7.59,155.6,7.302206
14,38.7,6.816751,52,7.63,60,7.87,75,8.21,90,8.56,110,8.88,120,8.88,135,8.65,150,8.08,168.4,7.401167
16,38.6,6.96079,52,7.67,60,7.92,75,8.3,90,8.71,110,9.1,120,9.29,135,9.24,150,8.57,180,7.8
20,39.1,7.074319,52,7.8,60,8.06,75,8.42,90,8.98,110,9.72,120,9.96,135,10.59,150,9.7,180,8.73

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.25	6.66	7.05	7.1	6.4	6.03	5.41	4.56
8	7.08	7.4	7.71	7.79	7.45	7.31	6.7	5.73
10	7.4	7.65	7.95	8.13	8.01	7.95	7.6	6.79
12	7.54	7.78	8.1	8.38	8.46	8.44	8.12	7.59
14	7.63	7.87	8.21	8.56	8.88	8.88	8.65	8.08
16	7.67	7.92	8.3	8.71	9.1	9.29	9.24	8.57
20	7.8	8.06	8.42	8.98	9.72	9.96	10.59	9.7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	4.08	142.6°	3.95
8	40.9°	4.75	147.1°	4.96
10	39.8°	5.06	149.5°	5.88
12	39°	5.24	155.6°	6.65
14	38.7°	5.32	168.4°	7.25
16	38.6°	5.44	180°	7.8
20	39.1°	5.49	180°	8.73

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