LOTTA — ORC Rating | RegattaPages

GPH

745.5

OSN

723.8

LOA

8.62 m

Displacement

3650 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.554

Medium

0.7407

High

0.8375

Triple Offshore

Low

0.7083

Medium

0.9079

High

0.9974

Boat Specifications

Dimensions

Length overall: 8.62 m
Beam: 2.86 m
Draft: 1.74 m
Displacement: 3650 kg
Crew weight: 250 kg
Wetted surface: 17.72 m²

Sails

Mainsail: 21.04 m²
Genoa: 16.84 m²
Spinnaker: 51.15 m²
Asymmetric spinnaker: 0 m²

Design

Type: ALBIN CUMULUS
Builder: ALBIN MARINE
Designer: PETER NORLIN
Year built: 1978
Stability index: 124.9

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.

6,42.4,3.900033,52,4.33,60,4.54,75,4.7,90,4.77,110,4.84,120,4.69,135,4.26,148.4,3.733591,150,3.68
8,40.2,4.490728,52,5.08,60,5.33,75,5.53,90,5.72,110,5.81,120,5.68,135,5.19,150,4.6,153.2,4.481362
10,40.6,5.03114,52,5.66,60,5.86,75,6.01,90,6.17,110,6.27,120,6.21,135,5.94,150,5.42,153.8,5.249324
12,41.2,5.395959,52,5.93,60,6.1,75,6.25,90,6.32,110,6.56,120,6.51,135,6.32,150,6.02,161.9,5.660085
14,41.1,5.480627,52,6.03,60,6.22,75,6.41,90,6.47,110,6.8,120,6.8,135,6.62,150,6.36,176.6,5.930439
16,41.1,5.507168,52,6.06,60,6.27,75,6.53,90,6.64,110,6.94,120,7.09,135,6.94,150,6.64,179,6.270955
20,41.2,5.528864,52,6.07,60,6.26,75,6.62,90,6.91,110,7.14,120,7.41,135,7.55,150,7.24,179,6.821039

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.33	4.54	4.7	4.77	4.84	4.69	4.26	3.68
8	5.08	5.33	5.53	5.72	5.81	5.68	5.19	4.6
10	5.66	5.86	6.01	6.17	6.27	6.21	5.94	5.42
12	5.93	6.1	6.25	6.32	6.56	6.51	6.32	6.02
14	6.03	6.22	6.41	6.47	6.8	6.8	6.62	6.36
16	6.06	6.27	6.53	6.64	6.94	7.09	6.94	6.64
20	6.07	6.26	6.62	6.91	7.14	7.41	7.55	7.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	2.88	148.4°	3.18
8	40.2°	3.43	153.2°	4
10	40.6°	3.82	153.8°	4.71
12	41.2°	4.06	161.9°	5.38
14	41.1°	4.13	176.6°	5.92
16	41.1°	4.15	179°	6.27
20	41.2°	4.16	179°	6.82

Loading polar chart…