TEMPER — ORC Rating | RegattaPages

GPH

695.8

OSN

675.2

LOA

9.38 m

Displacement

2986 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5798

Medium

0.7955

High

0.9185

Triple Offshore

Low

0.7497

Medium

0.975

High

1.0948

Boat Specifications

Dimensions

Length overall: 9.38 m
Beam: 3.24 m
Draft: 1.75 m
Displacement: 2986 kg
Crew weight: 480 kg
Wetted surface: 17.74 m²

Sails

Mainsail: 26.73 m²
Genoa: 19.42 m²
Spinnaker: 48.7 m²
Asymmetric spinnaker: 0 m²

Design

Type: FINNFLYER 31 LF
Builder: POLAR YACHT
Designer: EIVIND STILL
Year built: 1983

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.

6,42.8,4.170472,52,4.69,60,4.96,75,5.16,90,5.12,110,5.12,120,4.93,135,4.43,147,3.863257,150,3.75
8,42,4.951928,52,5.57,60,5.84,75,6.04,90,6.1,110,6.13,120,5.98,135,5.44,150,4.73,151,4.687752
10,41.2,5.542155,52,6.11,60,6.29,75,6.43,90,6.57,110,6.62,120,6.53,135,6.23,150,5.61,153,5.465729
12,39.2,5.819772,52,6.39,60,6.54,75,6.69,90,6.88,110,6.99,120,6.9,135,6.64,150,6.28,164,5.804871
14,38.6,5.94994,52,6.53,60,6.71,75,6.92,90,7.1,110,7.36,120,7.28,135,6.99,150,6.65,180,6.18
16,38.4,6.010003,52,6.6,60,6.82,75,7.11,90,7.24,110,7.69,120,7.65,135,7.36,150,6.98,180,6.57
20,39.4,6.056421,52,6.63,60,6.89,75,7.33,90,7.65,110,8.1,120,8.34,135,8.11,150,7.68,180,7.23

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.69	4.96	5.16	5.12	5.12	4.93	4.43	3.75
8	5.57	5.84	6.04	6.1	6.13	5.98	5.44	4.73
10	6.11	6.29	6.43	6.57	6.62	6.53	6.23	5.61
12	6.39	6.54	6.69	6.88	6.99	6.9	6.64	6.28
14	6.53	6.71	6.92	7.1	7.36	7.28	6.99	6.65
16	6.6	6.82	7.11	7.24	7.69	7.65	7.36	6.98
20	6.63	6.89	7.33	7.65	8.1	8.34	8.11	7.68

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.06	147°	3.24
8	42°	3.68	151°	4.1
10	41.2°	4.17	153°	4.87
12	39.2°	4.51	164°	5.58
14	38.6°	4.65	180°	6.18
16	38.4°	4.71	180°	6.57
20	39.4°	4.68	180°	7.23

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