ARIAPERTA — ORC Rating

GPH

579.9

OSN

565.4

LOA

8.555 m

Displacement

1215 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8134

Medium

1.036

High

1.2133

Triple Offshore

Low

1.0378

Medium

1.294

High

1.5033

Boat Specifications

Dimensions

Length overall: 8.555 m
Beam: 2.52 m
Draft: 1.79 m
Displacement: 1215 kg
Crew weight: 420 kg
Wetted surface: 14.83 m²

Sails

Mainsail: 26.36 m²
Genoa: 19.34 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 75.67 m²

Design

Type: KEELER 28
Builder: STARBOAT DESIGN
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.

6,42.8,5.179018,52,5.79,60,6.1,75,6.31,90,6.26,110,6.34,120,6.2,135,5.58,142.9,5.090373,150,4.69
8,39.8,6.000389,52,6.64,60,6.83,75,6.98,90,6.97,110,7.22,120,7.15,135,6.73,146.5,6.139929,150,5.91
10,37.7,6.155024,52,6.9,60,7.18,75,7.56,90,7.63,110,8.06,120,8.12,135,7.51,150,6.79,152,6.648186
12,36.9,6.227455,52,7.06,60,7.42,75,8.09,90,8.42,110,8.69,120,9.05,135,8.56,148.8,7.517265,150,7.43
14,36.6,6.352627,52,7.05,60,7.56,75,8.34,90,9.09,110,9.33,120,9.74,135,9.83,145.2,8.804734,150,8.35
16,36.2,6.394367,52,7.31,60,7.7,75,8.48,90,9.17,110,9.71,120,10.44,135,11.36,144.6,10.035236,150,9.44
20,37.5,6.415805,52,7.42,60,7.95,75,9.03,90,9.7,110,11.43,120,11.92,135,13.53,142.7,14.192805,150,13.03

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.79	6.1	6.31	6.26	6.34	6.2	5.58	4.69
8	6.64	6.83	6.98	6.97	7.22	7.15	6.73	5.91
10	6.9	7.18	7.56	7.63	8.06	8.12	7.51	6.79
12	7.06	7.42	8.09	8.42	8.69	9.05	8.56	7.43
14	7.05	7.56	8.34	9.09	9.33	9.74	9.83	8.35
16	7.31	7.7	8.48	9.17	9.71	10.44	11.36	9.44
20	7.42	7.95	9.03	9.7	11.43	11.92	13.53	13.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.8	142.9°	4.06
8	39.8°	4.61	146.5°	5.12
10	37.7°	4.87	152°	5.87
12	36.9°	4.98	148.8°	6.43
14	36.6°	5.1	145.2°	7.23
16	36.2°	5.16	144.6°	8.18
20	37.5°	5.09	142.7°	11.29

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