LERA — ORC Rating | RegattaPages

GPH

788.9

OSN

768.5

LOA

8.76 m

Displacement

3456 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5026

Medium

0.6818

High

0.7876

Triple Offshore

Low

0.6563

Medium

0.8628

High

0.9659

Boat Specifications

Dimensions

Length overall: 8.76 m
Beam: 2.85 m
Draft: 1.37 m
Displacement: 3456 kg
Crew weight: 300 kg
Wetted surface: 18.13 m²

Sails

Mainsail: 16.58 m²
Genoa: 21.76 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 57.49 m²

Design

Type: Ranger 29
Builder: RPD Oceanica
Designer: Gary Mull
Year built: 1983

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.

6,46.1,3.590991,52,3.92,60,4.21,75,4.41,90,4.6,110,4.71,120,4.52,135,4.09,145.5,3.676621,150,3.5
8,44.2,4.226468,52,4.67,60,4.96,75,5.22,90,5.56,110,5.68,120,5.54,135,5.05,146,4.571566,150,4.37
10,43.5,4.701021,52,5.25,60,5.57,75,5.81,90,6.13,110,6.22,120,6.15,135,5.85,145,5.456862,150,5.16
12,43.9,5.176593,52,5.69,60,5.94,75,6.12,90,6.36,110,6.53,120,6.48,135,6.28,147,5.890275,150,5.7
14,43.9,5.454159,52,5.92,60,6.13,75,6.32,90,6.46,110,6.81,120,6.78,135,6.57,150,6.06,174,5.379469
16,43.9,5.52355,52,6,60,6.22,75,6.46,90,6.56,110,7.04,120,7.1,135,6.88,150,6.32,176,5.864285
20,45,5.515433,52,5.97,60,6.24,75,6.6,90,6.88,110,7.29,120,7.58,135,7.48,150,6.78,178,6.413907

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.92	4.21	4.41	4.6	4.71	4.52	4.09	3.5
8	4.67	4.96	5.22	5.56	5.68	5.54	5.05	4.37
10	5.25	5.57	5.81	6.13	6.22	6.15	5.85	5.16
12	5.69	5.94	6.12	6.36	6.53	6.48	6.28	5.7
14	5.92	6.13	6.32	6.46	6.81	6.78	6.57	6.06
16	6	6.22	6.46	6.56	7.04	7.1	6.88	6.32
20	5.97	6.24	6.6	6.88	7.29	7.58	7.48	6.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.1°	2.49	145.5°	3.03
8	44.2°	3.03	146°	3.79
10	43.5°	3.41	145°	4.47
12	43.9°	3.73	147°	4.94
14	43.9°	3.93	174°	5.35
16	43.9°	3.98	176°	5.85
20	45°	3.9	178°	6.41

Loading polar chart…