HALBTROCKEN 4.5 — ORC Rating

GPH

467.6

OSN

455.7

LOA

13.7 m

Displacement

5597 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8549

Medium

1.1407

High

1.3539

Triple Offshore

Low

1.12

Medium

1.4398

High

1.6829

Boat Specifications

Dimensions

Length overall: 13.7 m
Beam: 4.53 m
Draft: 3.29 m
Displacement: 5597 kg
Crew weight: 1035 kg
Wetted surface: 39.83 m²

Sails

Mainsail: 77.17 m²
Genoa: 50.02 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 229.32 m²

Design

Type: MILLS 45 CUSTOM
Builder: PREMIER COMPOSITES
Designer: MILLS
Year built: 2015
Stability index: 135.2

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.

6,43.8,6.207047,52,6.9,60,7.36,75,8.06,90,8.29,110,8.08,120,7.69,135,6.57,141.7,6.014452,150,5.45
8,41.8,7.471736,52,8.29,60,8.57,75,8.81,90,9.16,110,9.19,120,8.88,135,8.24,141.9,7.688055,150,6.99
10,39,7.836366,52,8.74,60,9.09,75,9.58,90,9.89,110,10.35,120,10.04,135,9.23,148.7,8.33276,150,8.22
12,38.2,8.042177,52,8.96,60,9.39,75,10.16,90,10.53,110,11.25,120,11.35,135,10.47,150,9.12,151.8,8.975342
14,37.6,8.166205,52,9.1,60,9.61,75,10.49,90,11.26,110,12,120,12.36,135,11.95,143.3,10.988111,150,10.18
16,36.9,8.290768,52,9.35,60,9.84,75,10.72,90,11.7,110,12.72,120,13.35,135,13.21,144.2,12.354145,150,11.57
20,37,8.389309,52,9.62,60,10.25,75,11.39,90,12.3,110,14.01,120,15.02,135,16.21,144,15.895834,150,14.85

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.9	7.36	8.06	8.29	8.08	7.69	6.57	5.45
8	8.29	8.57	8.81	9.16	9.19	8.88	8.24	6.99
10	8.74	9.09	9.58	9.89	10.35	10.04	9.23	8.22
12	8.96	9.39	10.16	10.53	11.25	11.35	10.47	9.12
14	9.1	9.61	10.49	11.26	12	12.36	11.95	10.18
16	9.35	9.84	10.72	11.7	12.72	13.35	13.21	11.57
20	9.62	10.25	11.39	12.3	14.01	15.02	16.21	14.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	4.48	141.7°	4.72
8	41.8°	5.57	141.9°	6.05
10	39°	6.09	148.7°	7.12
12	38.2°	6.32	151.8°	7.91
14	37.6°	6.47	143.3°	8.81
16	36.9°	6.63	144.2°	10.02
20	37°	6.7	144°	12.86

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