PETROUCHKA III — ORC Rating

GPH

576.9

OSN

560

LOA

12.177 m

Displacement

6073 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7151

Medium

0.9546

High

1.0808

Triple Offshore

Low

0.9166

Medium

1.1713

High

1.3004

Boat Specifications

Dimensions

Length overall: 12.177 m
Beam: 3.67 m
Draft: 2.65 m
Displacement: 6073 kg
Crew weight: 450 kg
Wetted surface: 30.09 m²

Sails

Mainsail: 48.55 m²
Genoa: 38.67 m²
Spinnaker: 126.1 m²
Asymmetric spinnaker: 125.58 m²

Design

Type: PROTO 40
Builder: PROTOTIPO
Year built: 2000
Stability index: 134.4

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.

6,42.4,5.17296,52,5.77,60,6.05,75,6.23,90,6.1,110,6.16,120,6.01,135,5.37,142.4,4.960307,150,4.54
8,40.5,6.115155,52,6.82,60,7.05,75,7.19,90,7.22,110,7.35,120,7.23,135,6.68,146.9,5.932779,150,5.74
10,38.8,6.608173,52,7.38,60,7.58,75,7.72,90,7.73,110,8,120,7.93,135,7.56,150,6.79,151,6.722922
12,37.8,6.758168,52,7.59,60,7.82,75,8.04,90,8.09,110,8.44,120,8.46,135,8.14,150,7.56,156.5,7.240529
14,38.2,6.92238,52,7.7,60,7.93,75,8.26,90,8.41,110,8.73,120,8.95,135,8.67,150,8.09,164.6,7.520003
16,38.2,6.986005,52,7.75,60,8,75,8.39,90,8.68,110,8.98,120,9.38,135,9.24,150,8.59,175.4,7.805141
20,38.8,7.031609,52,7.8,60,8.07,75,8.53,90,9.04,110,9.45,120,10.06,135,10.72,150,9.74,175.4,8.748179

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.77	6.05	6.23	6.1	6.16	6.01	5.37	4.54
8	6.82	7.05	7.19	7.22	7.35	7.23	6.68	5.74
10	7.38	7.58	7.72	7.73	8	7.93	7.56	6.79
12	7.59	7.82	8.04	8.09	8.44	8.46	8.14	7.56
14	7.7	7.93	8.26	8.41	8.73	8.95	8.67	8.09
16	7.75	8	8.39	8.68	8.98	9.38	9.24	8.59
20	7.8	8.07	8.53	9.04	9.45	10.06	10.72	9.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.82	142.4°	3.93
8	40.5°	4.65	146.9°	4.97
10	38.8°	5.15	151°	5.88
12	37.8°	5.34	156.5°	6.64
14	38.2°	5.44	164.6°	7.25
16	38.2°	5.49	175.4°	7.78
20	38.8°	5.48	175.4°	8.72

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