LETTY — ORC Rating | RegattaPages

GPH

677

OSN

661.2

LOA

9.904 m

Displacement

3450 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6026

Medium

0.8155

High

0.93

Triple Offshore

Low

0.7846

Medium

0.996

High

1.1008

Boat Specifications

Dimensions

Length overall: 9.904 m
Beam: 2.44 m
Draft: 1.77 m
Displacement: 3450 kg
Crew weight: 526 kg
Wetted surface: 18.06 m²

Sails

Mainsail: 25 m²
Genoa: 17.88 m²
Spinnaker: 70.14 m²
Asymmetric spinnaker: 52.72 m²

Design

Type: APHRODITE 101
Builder: BIANCA YACHTS
Designer: ELVSTROM/KJAERULFF
Year built: 1979

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.

6,42,4.225287,52,4.74,60,5.06,75,5.53,90,5.73,110,5.47,120,5.27,135,4.77,146,4.137328,150,3.96
8,39.8,4.920059,52,5.6,60,5.96,75,6.32,90,6.47,110,6.39,120,6.31,135,5.82,150,4.98,150.5,4.940509
10,39.8,5.544828,52,6.16,60,6.33,75,6.61,90,6.79,110,6.79,120,6.75,135,6.52,150,5.923614
12,39,5.816153,52,6.39,60,6.54,75,6.74,90,7.01,110,7.06,120,7.08,135,6.88,150,6.54,161,6.176505
14,38.2,5.866208,52,6.48,60,6.65,75,6.84,90,7.17,110,7.36,120,7.42,135,7.23,150,6.87,180,6.4
16,38.2,5.917108,52,6.52,60,6.7,75,6.96,90,7.29,110,7.64,120,7.73,135,7.63,150,7.19,180,6.75
20,37.3,6.021571,52,6.62,60,6.76,75,7.06,90,7.42,110,8.08,120,8.26,135,8.47,150,7.98,180,7.39

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.74	5.06	5.53	5.73	5.47	5.27	4.77	3.96
8	5.6	5.96	6.32	6.47	6.39	6.31	5.82	4.98
10	6.16	6.33	6.61	6.79	6.79	6.75	6.52	5.93
12	6.39	6.54	6.74	7.01	7.06	7.08	6.88	6.54
14	6.48	6.65	6.84	7.17	7.36	7.42	7.23	6.87
16	6.52	6.7	6.96	7.29	7.64	7.73	7.63	7.19
20	6.62	6.76	7.06	7.42	8.08	8.26	8.47	7.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.14	146°	3.43
8	39.8°	3.78	150.5°	4.3
10	39.8°	4.26	150°	5.13
12	39°	4.52	161°	5.84
14	38.2°	4.61	180°	6.4
16	38.2°	4.65	180°	6.75
20	37.3°	4.79	180°	7.39

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