Inkeri — ORC Rating | RegattaPages

GPH

730.1

OSN

708.6

LOA

9.1 m

Displacement

3823 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5624

Medium

0.7588

High

0.8686

Triple Offshore

Low

0.72

Medium

0.9269

High

1.0279

Boat Specifications

Dimensions

Length overall: 9.1 m
Beam: 2.82 m
Draft: 1.65 m
Displacement: 3823 kg
Crew weight: 400 kg
Wetted surface: 18.24 m²

Sails

Mainsail: 19.14 m²
Genoa: 30.86 m²
Spinnaker: 63.02 m²
Asymmetric spinnaker: 0 m²

Design

Type: S&S 6.6
Builder: Eino Antinoja
Designer: Sparkman & Stephen
Year built: 1970
Stability index: 120.3

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.

6,43,4.006269,52,4.46,60,4.71,75,4.91,90,4.84,110,4.84,120,4.71,135,4.33,148.4,3.804036,150,3.74
8,41.8,4.654744,52,5.24,60,5.52,75,5.72,90,5.69,110,5.82,120,5.72,135,5.27,150,4.66,152.3,4.574237
10,42,5.27488,52,5.82,60,6,75,6.13,90,6.2,110,6.3,120,6.25,135,6.02,150,5.5,152,5.402359
12,40.9,5.596323,52,6.1,60,6.24,75,6.37,90,6.42,110,6.61,120,6.57,135,6.39,150,6.09,161,5.74288
14,40.2,5.695238,52,6.21,60,6.38,75,6.55,90,6.59,110,6.88,120,6.88,135,6.69,150,6.42,174.8,5.974589
16,39.9,5.748436,52,6.27,60,6.44,75,6.68,90,6.78,110,7.07,120,7.18,135,7.01,150,6.7,179,6.30096
20,40.2,5.773793,52,6.3,60,6.48,75,6.81,90,7.08,110,7.31,120,7.56,135,7.6,150,7.29,179,6.841042

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.46	4.71	4.91	4.84	4.84	4.71	4.33	3.74
8	5.24	5.52	5.72	5.69	5.82	5.72	5.27	4.66
10	5.82	6	6.13	6.2	6.3	6.25	6.02	5.5
12	6.1	6.24	6.37	6.42	6.61	6.57	6.39	6.09
14	6.21	6.38	6.55	6.59	6.88	6.88	6.69	6.42
16	6.27	6.44	6.68	6.78	7.07	7.18	7.01	6.7
20	6.3	6.48	6.81	7.08	7.31	7.56	7.6	7.29

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	2.93	148.4°	3.24
8	41.8°	3.47	152.3°	4.05
10	42°	3.92	152°	4.77
12	40.9°	4.23	161°	5.43
14	40.2°	4.35	174.8°	5.95
16	39.9°	4.41	179°	6.3
20	40.2°	4.41	179°	6.84

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