JACKANA — ORC Rating | RegattaPages

GPH

636.9

OSN

617.2

LOA

9.982 m

Displacement

4611 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6442

Medium

0.8711

High

0.9926

Triple Offshore

Low

0.8269

Medium

1.0623

High

1.1809

Boat Specifications

Dimensions

Length overall: 9.982 m
Beam: 3.37 m
Draft: 2 m
Displacement: 4611 kg
Crew weight: 565 kg
Wetted surface: 23.37 m²

Sails

Mainsail: 34.29 m²
Genoa: 25.51 m²
Spinnaker: 91.49 m²
Asymmetric spinnaker: 76.06 m²

Design

Type: First 34.7
Builder: Beneteau
Designer: Farr
Year built: 2005
Stability index: 127.1

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.

6,43.2,4.581816,52,5.1,60,5.37,75,5.54,90,5.6,110,5.66,120,5.52,135,5,144.2,4.512592,150,4.23
8,41.1,5.387735,52,6.01,60,6.25,75,6.42,90,6.58,110,6.7,120,6.59,135,6.14,149.3,5.384646,150,5.34
10,39.4,5.92701,52,6.58,60,6.76,75,6.9,90,7.09,110,7.23,120,7.18,135,6.88,150,6.28,152.3,6.155454
12,38.4,6.214164,52,6.89,60,7.06,75,7.21,90,7.37,110,7.61,120,7.6,135,7.35,150,6.93,159.2,6.568069
14,37.8,6.315217,52,7.03,60,7.22,75,7.43,90,7.52,110,7.95,120,7.99,135,7.76,150,7.35,172.7,6.764833
16,38.2,6.413381,52,7.1,60,7.31,75,7.6,90,7.73,110,8.22,120,8.35,135,8.18,150,7.74,177.2,7.168558
20,38.8,6.479859,52,7.15,60,7.38,75,7.78,90,8.12,110,8.59,120,9.05,135,9.13,150,8.56,178.1,7.89434

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.1	5.37	5.54	5.6	5.66	5.52	5	4.23
8	6.01	6.25	6.42	6.58	6.7	6.59	6.14	5.34
10	6.58	6.76	6.9	7.09	7.23	7.18	6.88	6.28
12	6.89	7.06	7.21	7.37	7.61	7.6	7.35	6.93
14	7.03	7.22	7.43	7.52	7.95	7.99	7.76	7.35
16	7.1	7.31	7.6	7.73	8.22	8.35	8.18	7.74
20	7.15	7.38	7.78	8.12	8.59	9.05	9.13	8.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.34	144.2°	3.66
8	41.1°	4.06	149.3°	4.63
10	39.4°	4.58	152.3°	5.45
12	38.4°	4.87	159.2°	6.14
14	37.8°	4.99	172.7°	6.71
16	38.2°	5.04	177.2°	7.16
20	38.8°	5.05	178.1°	7.89

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