STORMTROOPER — ORC Rating

GPH

528.7

OSN

515.2

LOA

12.415 m

Displacement

5099 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8925

Medium

1.1597

High

1.3234

Triple Offshore

Low

1.1444

Medium

1.4239

High

1.6022

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.6 m
Displacement: 5099 kg
Crew weight: 810 kg
Wetted surface: 29.98 m²

Sails

Mainsail: 64.69 m²
Genoa: 41.55 m²
Spinnaker: 159.47 m²
Asymmetric spinnaker: 127.8 m²

Design

Type: FARR 40 OD
Builder: CARROLL MARINE
Designer: BRUCE FARR
Year built: 1997

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.

6,42.4,5.714631,52,6.42,60,6.8,75,7.08,90,7.01,110,6.83,120,6.64,135,6.02,143.6,5.478984,150,5.09
8,40.9,6.76057,52,7.5,60,7.73,75,7.89,90,7.88,110,7.94,120,7.88,135,7.45,143.1,6.927731,150,6.39
10,38.4,7.05633,52,7.84,60,8.06,75,8.34,90,8.4,110,8.57,120,8.57,135,8.19,150,7.44,150.2,7.432884
12,37.7,7.216671,52,7.98,60,8.23,75,8.68,90,8.92,110,9.01,120,9.23,135,8.93,150,8.15,157.1,7.783449
14,37.1,7.297038,52,8.06,60,8.34,75,8.88,90,9.36,110,9.43,120,9.8,135,9.78,150,8.8,171.6,7.834041
16,36.5,7.414255,52,8.18,60,8.44,75,9.02,90,9.65,110,9.83,120,10.29,135,10.75,150,9.55,157.3,9.018598
20,36.8,7.455684,52,8.3,60,8.68,75,9.32,90,9.98,110,10.95,120,11.31,135,12.48,144.9,12.271593,150,11.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.42	6.8	7.08	7.01	6.83	6.64	6.02	5.09
8	7.5	7.73	7.89	7.88	7.94	7.88	7.45	6.39
10	7.84	8.06	8.34	8.4	8.57	8.57	8.19	7.44
12	7.98	8.23	8.68	8.92	9.01	9.23	8.93	8.15
14	8.06	8.34	8.88	9.36	9.43	9.8	9.78	8.8
16	8.18	8.44	9.02	9.65	9.83	10.29	10.75	9.55
20	8.3	8.68	9.32	9.98	10.95	11.31	12.48	11.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.22	143.6°	4.41
8	40.9°	5.11	143.1°	5.54
10	38.4°	5.53	150.2°	6.45
12	37.7°	5.71	157.1°	7.17
14	37.1°	5.82	171.6°	7.75
16	36.5°	5.96	157.3°	8.32
20	36.8°	5.97	144.9°	10.04

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