NORA LII — ORC Rating

GPH

638.5

OSN

617.9

LOA

10.594 m

Displacement

6127 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6351

Medium

0.8678

High

1.0101

Triple Offshore

Low

0.817

Medium

1.0626

High

1.1938

Boat Specifications

Dimensions

Length overall: 10.594 m
Beam: 3.4 m
Draft: 1.98 m
Displacement: 6127 kg
Crew weight: 800 kg
Wetted surface: 27.16 m²

Sails

Mainsail: 34.39 m²
Genoa: 32.99 m²
Spinnaker: 90.16 m²
Asymmetric spinnaker: 93.02 m²

Design

Type: Ridas 35
Builder: Ridas Jaht
Designer: Lönngren/Ridas
Year built: 1997
Stability index: 120.7

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.

6,43.2,4.540662,52,5.06,60,5.33,75,5.49,90,5.55,110,5.58,120,5.41,135,4.88,144.2,4.426285,150,4.14
8,41.4,5.372538,52,6,60,6.26,75,6.41,90,6.58,110,6.68,120,6.52,135,6.01,147.8,5.365205,150,5.24
10,40,5.952657,52,6.61,60,6.8,75,6.94,90,7.15,110,7.26,120,7.17,135,6.84,150,6.14,152.9,5.987332
12,38.7,6.317027,52,6.96,60,7.11,75,7.24,90,7.45,110,7.63,120,7.58,135,7.32,150,6.85,157.7,6.517441
14,38.1,6.506255,52,7.15,60,7.31,75,7.47,90,7.62,110,7.96,120,7.95,135,7.7,150,7.3,170,6.732278
16,37.5,6.579666,52,7.24,60,7.43,75,7.66,90,7.75,110,8.24,120,8.29,135,8.08,150,7.65,177.5,7.116774
20,37.2,6.653862,52,7.34,60,7.55,75,7.89,90,8.12,110,8.62,120,8.95,135,8.82,150,8.34,179,7.791187

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.06	5.33	5.49	5.55	5.58	5.41	4.88	4.14
8	6	6.26	6.41	6.58	6.68	6.52	6.01	5.24
10	6.61	6.8	6.94	7.15	7.26	7.17	6.84	6.14
12	6.96	7.11	7.24	7.45	7.63	7.58	7.32	6.85
14	7.15	7.31	7.47	7.62	7.96	7.95	7.7	7.3
16	7.24	7.43	7.66	7.75	8.24	8.29	8.08	7.65
20	7.34	7.55	7.89	8.12	8.62	8.95	8.82	8.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.31	144.2°	3.59
8	41.4°	4.03	147.8°	4.54
10	40°	4.56	152.9°	5.33
12	38.7°	4.93	157.7°	6.03
14	38.1°	5.12	170°	6.63
16	37.5°	5.22	177.5°	7.11
20	37.2°	5.3	179°	7.79

Loading polar chart…