Lovely Rita — ORC Rating

GPH

637

OSN

616.9

LOA

9.993 m

Displacement

4149 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7154

Medium

0.9798

High

1.1303

Triple Offshore

Low

0.9193

Medium

1.1995

High

1.3488

Boat Specifications

Dimensions

Length overall: 9.993 m
Beam: 3.37 m
Draft: 1.97 m
Displacement: 4149 kg
Crew weight: 648 kg
Wetted surface: 23.71 m²

Sails

Mainsail: 33.08 m²
Genoa: 25.86 m²
Spinnaker: 76.56 m²
Asymmetric spinnaker: 0 m²

Design

Type: Stern 33
Builder: Parnu Yachts
Designer: Bosgraaf
Year built: 2003

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.

6,42.3,4.502244,52,5.04,60,5.3,75,5.51,90,5.46,110,5.53,120,5.38,135,4.88,145.2,4.359744,150,4.14
8,40.8,5.336891,52,6.01,60,6.29,75,6.49,90,6.58,110,6.68,120,6.53,135,6.02,149.6,5.240497,150,5.22
10,40.2,6.035643,52,6.69,60,6.87,75,7,90,7.13,110,7.24,120,7.16,135,6.85,150,6.16,151.3,6.087925
12,38.5,6.337782,52,6.98,60,7.15,75,7.3,90,7.35,110,7.65,120,7.58,135,7.3,150,6.88,157.6,6.543752
14,37.7,6.420436,52,7.1,60,7.29,75,7.53,90,7.6,110,8.03,120,8.07,135,7.71,150,7.29,180,6.67
16,37.5,6.466223,52,7.15,60,7.36,75,7.71,90,7.91,110,8.29,120,8.54,135,8.2,150,7.67,180,7.14
20,37.2,6.553426,52,7.22,60,7.39,75,7.85,90,8.39,110,8.75,120,9.23,135,9.37,150,8.6,180,7.88

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.04	5.3	5.51	5.46	5.53	5.38	4.88	4.14
8	6.01	6.29	6.49	6.58	6.68	6.53	6.02	5.22
10	6.69	6.87	7	7.13	7.24	7.16	6.85	6.16
12	6.98	7.15	7.3	7.35	7.65	7.58	7.3	6.88
14	7.1	7.29	7.53	7.6	8.03	8.07	7.71	7.29
16	7.15	7.36	7.71	7.91	8.29	8.54	8.2	7.67
20	7.22	7.39	7.85	8.39	8.75	9.23	9.37	8.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.33	145.2°	3.58
8	40.8°	4.04	149.6°	4.52
10	40.2°	4.61	151.3°	5.34
12	38.5°	4.96	157.6°	6.05
14	37.7°	5.08	180°	6.67
16	37.5°	5.13	180°	7.14
20	37.2°	5.22	180°	7.88

Loading polar chart…