ARIAPERTA — ORC Rating

GPH

572.2

OSN

564.1

LOA

8.57 m

Displacement

1126 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.737

Medium

0.9183

High

1.0717

Triple Offshore

Low

0.9467

Medium

1.1588

High

1.3312

Boat Specifications

Dimensions

Length overall: 8.57 m
Beam: 2.52 m
Draft: 1.73 m
Displacement: 1126 kg
Crew weight: 370 kg
Wetted surface: 14.47 m²

Sails

Mainsail: 27.38 m²
Genoa: 19.51 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 77.37 m²

Design

Type: Keeler 28
Builder: New Wind
Designer: Pusterla Luca
Year built: 2007

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.

6,43.5,5.514394,52,6.14,60,6.44,75,6.68,90,6.74,110,6.4,120,6.28,135,5.65,143,5.146278,150,4.75
8,40.1,6.000617,52,6.64,60,6.9,75,7.36,90,7.5,110,7.32,120,7.24,135,6.79,147,6.176442,150,5.98
10,38.6,6.103487,52,6.84,60,7.17,75,7.82,90,8.32,110,8.12,120,8.29,135,7.67,150,6.86,152.5,6.674101
12,38.4,6.226925,52,6.95,60,7.3,75,8.15,90,8.75,110,8.85,120,9.02,135,8.91,148.5,7.705478,150,7.58
14,38.2,6.324307,52,7.03,60,7.4,75,8.2,90,9.02,110,9.87,120,9.89,135,10.27,144.2,9.271773,150,8.69
16,38.2,6.362482,52,7.19,60,7.63,75,8.38,90,9.36,110,10.47,120,10.66,135,11.42,141,11.014662,150,9.89
20,40,6.370388,52,7.16,60,7.71,75,8.83,90,9.8,110,11.17,120,12.18,135,13.43,145.3,14.352716,150,13.62

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.14	6.44	6.68	6.74	6.4	6.28	5.65	4.75
8	6.64	6.9	7.36	7.5	7.32	7.24	6.79	5.98
10	6.84	7.17	7.82	8.32	8.12	8.29	7.67	6.86
12	6.95	7.3	8.15	8.75	8.85	9.02	8.91	7.58
14	7.03	7.4	8.2	9.02	9.87	9.89	10.27	8.69
16	7.19	7.63	8.38	9.36	10.47	10.66	11.42	9.89
20	7.16	7.71	8.83	9.8	11.17	12.18	13.43	13.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	4	143°	4.11
8	40.1°	4.59	147°	5.18
10	38.6°	4.77	152.5°	5.92
12	38.4°	4.88	148.5°	6.57
14	38.2°	4.97	144.2°	7.52
16	38.2°	5	141°	8.56
20	40°	4.88	145.3°	11.8

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