Mah Na Mah NA — ORC Rating

GPH

592.8

OSN

576.8

LOA

11.002 m

Displacement

5500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6906

Medium

0.924

High

1.0366

Triple Offshore

Low

0.8942

Medium

1.1391

High

1.2602

Boat Specifications

Dimensions

Length overall: 11.002 m
Beam: 3.6 m
Draft: 2.1 m
Displacement: 5500 kg
Crew weight: 674 kg
Wetted surface: 27.62 m²

Sails

Mainsail: 38.24 m²
Genoa: 34.43 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 127.31 m²

Design

Type: J 112E
Builder: J/Composites
Designer: Al Johnstone
Year built: 2017

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.

6,43.6,4.929769,52,5.46,60,5.88,75,6.27,90,6.34,110,6.1,120,5.96,135,5.35,143.7,4.876364,150,4.54
8,41.3,5.816862,52,6.51,60,6.85,75,7.15,90,7.23,110,7.21,120,7.12,135,6.64,147.3,5.894161,150,5.73
10,39.5,6.376158,52,7.07,60,7.29,75,7.57,90,7.7,110,7.77,120,7.74,135,7.44,148.9,6.808623,150,6.73
12,38.2,6.629706,52,7.35,60,7.53,75,7.8,90,8.03,110,8.15,120,8.21,135,7.96,150,7.39,150.4,7.372096
14,37.8,6.758168,52,7.48,60,7.69,75,7.93,90,8.29,110,8.53,120,8.65,135,8.46,150,7.77,150.3,7.747819
16,37.9,6.85605,52,7.56,60,7.77,75,8.1,90,8.48,110,8.87,120,9.05,135,9,150,8.1,173.2,7.220795
20,38,6.928839,52,7.64,60,7.88,75,8.29,90,8.73,110,9.46,120,9.92,135,10.36,150,8.84,175.5,7.954521
24,39.1,6.958347,52,7.64,60,7.9,75,8.39,90,8.93,110,10.02,120,11.08,135,12.46,140.6,12.384605,150,11.06

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.46	5.88	6.27	6.34	6.1	5.96	5.35	4.54
8	6.51	6.85	7.15	7.23	7.21	7.12	6.64	5.73
10	7.07	7.29	7.57	7.7	7.77	7.74	7.44	6.73
12	7.35	7.53	7.8	8.03	8.15	8.21	7.96	7.39
14	7.48	7.69	7.93	8.29	8.53	8.65	8.46	7.77
16	7.56	7.77	8.1	8.48	8.87	9.05	9	8.1
20	7.64	7.88	8.29	8.73	9.46	9.92	10.36	8.84
24	7.64	7.9	8.39	8.93	10.02	11.08	12.46	11.06

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.57	143.7°	3.93
8	41.3°	4.37	147.3°	4.96
10	39.5°	4.92	148.9°	5.83
12	38.2°	5.21	150.4°	6.41
14	37.8°	5.34	150.3°	6.73
16	37.9°	5.41	173.2°	7.17
20	38°	5.46	175.5°	7.93
24	39.1°	5.4	140.6°	9.57

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