STORMTROOPER — ORC Rating

GPH

528.5

OSN

515.5

LOA

12.415 m

Displacement

5088 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7938

Medium

1.0287

High

1.1733

Triple Offshore

Low

1.0188

Medium

1.2652

High

1.4243

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.6 m
Displacement: 5088 kg
Crew weight: 884 kg
Wetted surface: 29.92 m²

Sails

Mainsail: 64.63 m²
Genoa: 41.51 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.

6,42.4,5.70109,52,6.42,60,6.81,75,7.12,90,7.09,110,6.85,120,6.67,135,6.05,143,5.53444,150,5.1
8,40.9,6.74734,52,7.49,60,7.72,75,7.9,90,7.9,110,7.95,120,7.89,135,7.47,143.2,6.931163,150,6.41
10,38.6,7.037564,52,7.83,60,8.06,75,8.34,90,8.41,110,8.59,120,8.58,135,8.21,150,7.46,150.2,7.444408
12,37.9,7.198219,52,7.97,60,8.23,75,8.69,90,8.94,110,9.05,120,9.26,135,8.95,150,8.16,157,7.800068
14,37.5,7.298135,52,8.05,60,8.34,75,8.89,90,9.38,110,9.49,120,9.85,135,9.81,150,8.82,172,7.826164
16,36.8,7.393241,52,8.17,60,8.45,75,9.03,90,9.67,110,9.88,120,10.35,135,10.8,150,9.57,157,9.049382
20,37.3,7.45468,52,8.29,60,8.68,75,9.34,90,10,110,11.02,120,11.39,135,12.6,144.5,12.393819,150,11.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.42	6.81	7.12	7.09	6.85	6.67	6.05	5.1
8	7.49	7.72	7.9	7.9	7.95	7.89	7.47	6.41
10	7.83	8.06	8.34	8.41	8.59	8.58	8.21	7.46
12	7.97	8.23	8.69	8.94	9.05	9.26	8.95	8.16
14	8.05	8.34	8.89	9.38	9.49	9.85	9.81	8.82
16	8.17	8.45	9.03	9.67	9.88	10.35	10.8	9.57
20	8.29	8.68	9.34	10	11.02	11.39	12.6	11.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.21	143°	4.42
8	40.9°	5.1	143.2°	5.55
10	38.6°	5.5	150.2°	6.46
12	37.9°	5.68	157°	7.18
14	37.5°	5.79	172°	7.75
16	36.8°	5.92	157°	8.33
20	37.3°	5.93	144.5°	10.09

Loading polar chart…