Machbuster — ORC Rating

GPH

572.9

OSN

560.4

LOA

12.28 m

Displacement

8368 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7227

Medium

0.9477

High

1.0593

Triple Offshore

Low

0.937

Medium

1.1729

High

1.2864

Boat Specifications

Dimensions

Length overall: 12.28 m
Beam: 3.88 m
Draft: 2.38 m
Displacement: 8368 kg
Crew weight: 600 kg
Wetted surface: 34.19 m²

Sails

Mainsail: 53.02 m²
Genoa: 42.09 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 147.83 m²

Design

Type: Elan 410
Builder: Elan Marine
Designer: Rob Humphreys
Year built: 2006
Stability index: 124.4

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.

6,44.1,5.4308,52,6,60,6.38,75,6.72,90,6.71,110,6.23,120,6.09,135,5.44,143.3,4.963982,150,4.59
8,41.7,6.214523,52,6.96,60,7.27,75,7.54,90,7.57,110,7.4,120,7.3,135,6.78,146.9,6.004402,150,5.81
10,39.4,6.574064,52,7.34,60,7.63,75,7.92,90,8.01,110,8,120,7.96,135,7.65,148.7,6.951769,150,6.86
12,38.7,6.803938,52,7.59,60,7.81,75,8.12,90,8.32,110,8.38,120,8.42,135,8.18,150,7.59,150.2,7.582694
14,38.2,6.909655,52,7.71,60,7.93,75,8.24,90,8.56,110,8.69,120,8.84,135,8.64,150,8.01,150.9,7.942573
16,38.2,6.986005,52,7.78,60,8.01,75,8.34,90,8.73,110,8.99,120,9.18,135,9.13,150,8.34,172.7,7.45039
20,38.4,7.04357,52,7.83,60,8.08,75,8.5,90,8.96,110,9.47,120,9.89,135,10.24,150,9.05,175.7,8.233175

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6	6.38	6.72	6.71	6.23	6.09	5.44	4.59
8	6.96	7.27	7.54	7.57	7.4	7.3	6.78	5.81
10	7.34	7.63	7.92	8.01	8	7.96	7.65	6.86
12	7.59	7.81	8.12	8.32	8.38	8.42	8.18	7.59
14	7.71	7.93	8.24	8.56	8.69	8.84	8.64	8.01
16	7.78	8.01	8.34	8.73	8.99	9.18	9.13	8.34
20	7.83	8.08	8.5	8.96	9.47	9.89	10.24	9.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	3.9	143.3°	3.98
8	41.7°	4.64	146.9°	5.03
10	39.4°	5.08	148.7°	5.94
12	38.7°	5.31	150.2°	6.58
14	38.2°	5.43	150.9°	6.94
16	38.2°	5.49	172.7°	7.39
20	38.4°	5.52	175.7°	8.21

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