MACHTNIX — ORC Rating

GPH

670.5

OSN

652.6

LOA

7.79 m

Displacement

1521 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6251

Medium

0.8259

High

0.9283

Triple Offshore

Low

0.7991

Medium

0.9996

High

1.1182

Boat Specifications

Dimensions

Length overall: 7.79 m
Beam: 2.5 m
Draft: 1.84 m
Displacement: 1521 kg
Crew weight: 411 kg
Wetted surface: 14.02 m²

Sails

Mainsail: 21.86 m²
Genoa: 18.64 m²
Spinnaker: 44.41 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST CLASS 8
Builder: BENETEAU
Designer: FINOT
Year built: 1982

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.

6,41.2,4.571946,52,5.14,60,5.39,75,5.55,90,5.48,110,5.36,120,5.19,135,4.69,146,4.064954,150,3.9
8,39.8,5.336572,52,5.89,60,6.03,75,6.13,90,6.15,110,6.19,120,6.08,135,5.66,150,4.9,151,4.847821
10,36.8,5.657328,52,6.22,60,6.35,75,6.47,90,6.56,110,6.68,120,6.57,135,6.27,150,5.74,154,5.574136
12,36,5.760077,52,6.35,60,6.53,75,6.79,90,6.86,110,7.21,120,7.11,135,6.71,150,6.3,172,5.745919
14,35.6,5.79264,52,6.42,60,6.63,75,7.01,90,7.25,110,7.67,120,7.69,135,7.23,150,6.72,180,6.21
16,36,5.834241,52,6.45,60,6.68,75,7.13,90,7.56,110,7.99,120,8.32,135,7.83,150,7.2,180,6.6
20,36.4,5.864128,52,6.52,60,6.77,75,7.22,90,7.84,110,8.59,120,9.31,135,9.5,150,8.38,180,7.5

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.39	5.55	5.48	5.36	5.19	4.69	3.9
8	5.89	6.03	6.13	6.15	6.19	6.08	5.66	4.9
10	6.22	6.35	6.47	6.56	6.68	6.57	6.27	5.74
12	6.35	6.53	6.79	6.86	7.21	7.11	6.71	6.3
14	6.42	6.63	7.01	7.25	7.67	7.69	7.23	6.72
16	6.45	6.68	7.13	7.56	7.99	8.32	7.83	7.2
20	6.52	6.77	7.22	7.84	8.59	9.31	9.5	8.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.44	146°	3.37
8	39.8°	4.1	151°	4.24
10	36.8°	4.53	154°	5.01
12	36°	4.66	172°	5.69
14	35.6°	4.71	180°	6.21
16	36°	4.72	180°	6.6
20	36.4°	4.72	180°	7.5

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