FOOTLOOSE — ORC Rating

GPH

683.7

OSN

659.1

LOA

10.53 m

Displacement

4502 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.566

Medium

0.8073

High

0.9619

Triple Offshore

Low

0.7379

Medium

1.0039

High

1.1531

Boat Specifications

Dimensions

Length overall: 10.53 m
Beam: 3.33 m
Draft: 1.95 m
Displacement: 4502 kg
Crew weight: 609 kg
Wetted surface: 24.28 m²

Sails

Mainsail: 30.77 m²
Genoa: 28.91 m²
Spinnaker: 63.62 m²
Asymmetric spinnaker: 53.63 m²

Design

Type: LAVRANOS 34
Builder: JOHN ROBERTSON
Designer: ANGELO LAVRANOS
Year built: 1985
Stability index: 117.9

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.

6,45,4.17193,52,4.6,60,4.9,75,5.13,90,5.04,110,5.06,120,4.87,135,4.31,146.6,3.761164,150,3.63
8,43,4.977072,52,5.56,60,5.88,75,6.14,90,6.16,110,6.22,120,6.01,135,5.4,150,4.69,150.5,4.664759
10,42,5.638201,52,6.3,60,6.56,75,6.75,90,6.87,110,6.93,120,6.81,135,6.36,150,5.63,152,5.526942
12,40.6,6.124293,52,6.74,60,6.92,75,7.07,90,7.24,110,7.33,120,7.24,135,6.95,150,6.45,155.9,6.178559
14,39.3,6.319134,52,6.95,60,7.13,75,7.31,90,7.54,110,7.71,120,7.61,135,7.32,150,6.97,166.7,6.463354
16,38.8,6.377208,52,7.03,60,7.24,75,7.52,90,7.73,110,8.11,120,8.04,135,7.71,150,7.32,177.2,6.828152
20,38.8,6.390039,52,7.08,60,7.3,75,7.74,90,8.12,110,8.82,120,8.92,135,8.6,150,8.08,179,7.501142

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.6	4.9	5.13	5.04	5.06	4.87	4.31	3.63
8	5.56	5.88	6.14	6.16	6.22	6.01	5.4	4.69
10	6.3	6.56	6.75	6.87	6.93	6.81	6.36	5.63
12	6.74	6.92	7.07	7.24	7.33	7.24	6.95	6.45
14	6.95	7.13	7.31	7.54	7.71	7.61	7.32	6.97
16	7.03	7.24	7.52	7.73	8.11	8.04	7.71	7.32
20	7.08	7.3	7.74	8.12	8.82	8.92	8.6	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.95	146.6°	3.14
8	43°	3.64	150.5°	4.06
10	42°	4.19	152°	4.88
12	40.6°	4.65	155.9°	5.64
14	39.3°	4.89	166.7°	6.29
16	38.8°	4.97	177.2°	6.82
20	38.8°	4.98	179°	7.5

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