2XTREME — ORC Rating | RegattaPages

GPH

622.6

OSN

602.7

LOA

10.2 m

Displacement

2896 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6551

Medium

0.8895

High

1.0208

Triple Offshore

Low

0.8419

Medium

1.0879

High

1.2227

Boat Specifications

Dimensions

Length overall: 10.2 m
Beam: 2.74 m
Draft: 1.79 m
Displacement: 2896 kg
Crew weight: 600 kg
Wetted surface: 20.2 m²

Sails

Mainsail: 28.03 m²
Genoa: 27.36 m²
Spinnaker: 78.39 m²
Asymmetric spinnaker: 0 m²

Design

Type: ADAMS 10 R Mk3
Designer: Joe Adams
Year built: 1974
Stability index: 119.3

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.

6,43.5,4.756165,52,5.28,60,5.56,75,5.73,90,5.59,110,5.7,120,5.55,135,5,140.3,4.730962,150,4.2
8,41.2,5.621898,52,6.26,60,6.49,75,6.64,90,6.62,110,6.81,120,6.71,135,6.21,147.8,5.447929,150,5.33
10,39,6.137843,52,6.81,60,6.98,75,7.11,90,7.11,110,7.38,120,7.35,135,7.02,150,6.32,150.5,6.284787
12,37.8,6.340528,52,7.04,60,7.23,75,7.43,90,7.48,110,7.78,120,7.87,135,7.58,150,7.04,156.8,6.74547
14,37.2,6.440436,52,7.16,60,7.37,75,7.68,90,7.83,110,8.06,120,8.33,135,8.16,150,7.56,167.3,6.939785
16,37,6.511105,52,7.23,60,7.46,75,7.83,90,8.12,110,8.31,120,8.71,135,8.76,150,8.09,175.4,7.293493
20,37.2,6.59109,52,7.31,60,7.56,75,8.02,90,8.51,110,8.78,120,9.35,135,10.23,150,9.3,173.9,8.276864

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.28	5.56	5.73	5.59	5.7	5.55	5	4.2
8	6.26	6.49	6.64	6.62	6.81	6.71	6.21	5.33
10	6.81	6.98	7.11	7.11	7.38	7.35	7.02	6.32
12	7.04	7.23	7.43	7.48	7.78	7.87	7.58	7.04
14	7.16	7.37	7.68	7.83	8.06	8.33	8.16	7.56
16	7.23	7.46	7.83	8.12	8.31	8.71	8.76	8.09
20	7.31	7.56	8.02	8.51	8.78	9.35	10.23	9.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.45	140.3°	3.64
8	41.2°	4.23	147.8°	4.61
10	39°	4.77	150.5°	5.47
12	37.8°	5.01	156.8°	6.2
14	37.2°	5.13	167.3°	6.77
16	37°	5.2	175.4°	7.27
20	37.2°	5.25	173.9°	8.23

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