GRANMA X — ORC Rating

GPH

614.6

OSN

596.4

LOA

11.36 m

Displacement

5463 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7462

Medium

1.0115

High

1.1601

Triple Offshore

Low

0.9587

Medium

1.2405

High

1.3877

Boat Specifications

Dimensions

Length overall: 11.36 m
Beam: 3.66 m
Draft: 2.1 m
Displacement: 5463 kg
Crew weight: 630 kg
Wetted surface: 27.58 m²

Sails

Mainsail: 39.85 m²
Genoa: 34.53 m²
Spinnaker: 102.77 m²
Asymmetric spinnaker: 0 m²

Design

Type: IMX-38
Builder: X-YACHTS
Designer: N.JEPPESEN
Year built: 1992

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.

6,42.4,4.726081,52,5.28,60,5.56,75,5.78,90,5.71,110,5.73,120,5.59,135,5.08,145.1,4.547938,150,4.31
8,41.1,5.586789,52,6.3,60,6.58,75,6.77,90,6.8,110,6.92,120,6.79,135,6.26,149,5.471511,150,5.42
10,40.4,6.276769,52,6.94,60,7.14,75,7.28,90,7.36,110,7.51,120,7.43,135,7.12,150,6.4,150.9,6.35177
12,39.1,6.546,52,7.22,60,7.4,75,7.58,90,7.6,110,7.92,120,7.88,135,7.59,150,7.14,156.8,6.821629
14,39,6.665415,52,7.33,60,7.54,75,7.81,90,7.91,110,8.27,120,8.35,135,8.03,150,7.57,174.2,6.925453
16,38.9,6.720265,52,7.38,60,7.61,75,7.99,90,8.2,110,8.5,120,8.79,135,8.51,150,7.98,180,7.38
20,38.7,6.842378,52,7.47,60,7.67,75,8.13,90,8.64,110,8.92,120,9.35,135,9.6,150,8.88,180,8.17

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.28	5.56	5.78	5.71	5.73	5.59	5.08	4.31
8	6.3	6.58	6.77	6.8	6.92	6.79	6.26	5.42
10	6.94	7.14	7.28	7.36	7.51	7.43	7.12	6.4
12	7.22	7.4	7.58	7.6	7.92	7.88	7.59	7.14
14	7.33	7.54	7.81	7.91	8.27	8.35	8.03	7.57
16	7.38	7.61	7.99	8.2	8.5	8.79	8.51	7.98
20	7.47	7.67	8.13	8.64	8.92	9.35	9.6	8.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.49	145.1°	3.73
8	41.1°	4.21	149°	4.69
10	40.4°	4.78	150.9°	5.55
12	39.1°	5.08	156.8°	6.27
14	39°	5.18	174.2°	6.89
16	38.9°	5.23	180°	7.38
20	38.7°	5.34	180°	8.17

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