IFje — ORC Rating | RegattaPages

GPH

819.4

OSN

792

LOA

7.87 m

Displacement

2342 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4956

Medium

0.6769

High

0.7881

Triple Offshore

Low

0.6345

Medium

0.8286

High

0.9336

Boat Specifications

Dimensions

Length overall: 7.87 m
Beam: 2.2 m
Draft: 1.2 m
Displacement: 2342 kg
Crew weight: 275 kg
Wetted surface: 15.82 m²

Sails

Mainsail: 16.93 m²
Genoa: 14.56 m²
Spinnaker: 27.79 m²
Asymmetric spinnaker: 0 m²

Design

Type: IF
Builder: Marieholm
Designer: Tord Sunden
Year built: 1974

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.

6,43.8,3.588449,52,3.96,60,4.16,75,4.28,90,4.29,110,4.3,120,4.15,135,3.73,148.6,3.280414,150,3.23
8,42,4.184918,52,4.65,60,4.85,75,5,90,5.11,110,5.14,120,5,135,4.59,150,4.1,153.7,3.982213
10,40.8,4.610334,52,5.12,60,5.3,75,5.45,90,5.62,110,5.66,120,5.57,135,5.26,150,4.82,159.1,4.527917
12,40,4.921385,52,5.44,60,5.59,75,5.73,90,5.92,110,5.98,120,5.9,135,5.7,150,5.38,170.4,4.8986
14,39.8,5.115299,52,5.62,60,5.77,75,5.93,90,6.11,110,6.25,120,6.17,135,6,150,5.75,177.7,5.334297
16,39.7,5.211856,52,5.72,60,5.88,75,6.07,90,6.21,110,6.48,120,6.44,135,6.26,150,6.02,179,5.700868
20,40,5.273845,52,5.78,60,5.95,75,6.23,90,6.44,110,6.84,120,6.91,135,6.79,150,6.53,179.4,6.220341
24,41.2,5.302925,52,5.78,60,5.98,75,6.31,90,6.62,110,7.06,120,7.41,135,7.34,150,7.03,179.4,6.690367

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.96	4.16	4.28	4.29	4.3	4.15	3.73	3.23
8	4.65	4.85	5	5.11	5.14	5	4.59	4.1
10	5.12	5.3	5.45	5.62	5.66	5.57	5.26	4.82
12	5.44	5.59	5.73	5.92	5.98	5.9	5.7	5.38
14	5.62	5.77	5.93	6.11	6.25	6.17	6	5.75
16	5.72	5.88	6.07	6.21	6.48	6.44	6.26	6.02
20	5.78	5.95	6.23	6.44	6.84	6.91	6.79	6.53
24	5.78	5.98	6.31	6.62	7.06	7.41	7.34	7.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	2.59	148.6°	2.8
8	42°	3.11	153.7°	3.57
10	40.8°	3.49	159.1°	4.23
12	40°	3.77	170.4°	4.83
14	39.8°	3.93	177.7°	5.33
16	39.7°	4.01	179°	5.7
20	40°	4.04	179.4°	6.22
24	41.2°	3.99	179.4°	6.69

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