A QUATRE — ORC Rating

GPH

690.9

OSN

669.7

LOA

10.24 m

Displacement

5478 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.663

Medium

0.8999

High

1.0464

Triple Offshore

Low

0.8477

Medium

1.1048

High

1.2415

Boat Specifications

Dimensions

Length overall: 10.24 m
Beam: 3.39 m
Draft: 1.86 m
Displacement: 5478 kg
Crew weight: 500 kg
Wetted surface: 23.97 m²

Sails

Mainsail: 23.63 m²
Genoa: 37.09 m²
Spinnaker: 90.19 m²
Asymmetric spinnaker: 68.5 m²

Design

Type: SHOW 34
Builder: BARBERIS
Designer: PETERSON
Year built: 1976

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.

6,42.2,4.144143,52,4.63,60,4.85,75,5.02,90,4.97,110,5.1,120,4.97,135,4.57,147.3,4.028469,150,3.91
8,40.6,4.807241,52,5.44,60,5.71,75,5.91,90,6,110,6.18,120,6.06,135,5.57,150,4.88,151.4,4.817861
10,41.3,5.470779,52,6.1,60,6.31,75,6.45,90,6.6,110,6.73,120,6.67,135,6.41,150,5.773503
12,40.5,5.89159,52,6.44,60,6.6,75,6.73,90,6.89,110,7.06,120,7.03,135,6.83,150,6.46,157.9,6.141203
14,39.7,6.056671,52,6.61,60,6.77,75,6.93,90,7.1,110,7.36,120,7.36,135,7.15,150,6.83,180,6.28
16,39.2,6.129471,52,6.7,60,6.88,75,7.1,90,7.2,110,7.58,120,7.69,135,7.49,150,7.12,180,6.7
20,39.3,6.176986,52,6.76,60,6.97,75,7.34,90,7.55,110,7.98,120,8.14,135,8.15,150,7.75,180,7.28

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.63	4.85	5.02	4.97	5.1	4.97	4.57	3.91
8	5.44	5.71	5.91	6	6.18	6.06	5.57	4.88
10	6.1	6.31	6.45	6.6	6.73	6.67	6.41	5.77
12	6.44	6.6	6.73	6.89	7.06	7.03	6.83	6.46
14	6.61	6.77	6.93	7.1	7.36	7.36	7.15	6.83
16	6.7	6.88	7.1	7.2	7.58	7.69	7.49	7.12
20	6.76	6.97	7.34	7.55	7.98	8.14	8.15	7.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.07	147.3°	3.39
8	40.6°	3.65	151.4°	4.23
10	41.3°	4.11	150°	5
12	40.5°	4.48	157.9°	5.69
14	39.7°	4.66	180°	6.28
16	39.2°	4.75	180°	6.7
20	39.3°	4.78	180°	7.28

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