MAGGIE ISLAND BREWERY — ORC Rating

GPH

622.3

OSN

601.8

LOA

9.99 m

Displacement

2994 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6535

Medium

0.8932

High

1.0298

Triple Offshore

Low

0.8402

Medium

1.089

High

1.2277

Boat Specifications

Dimensions

Length overall: 9.99 m
Beam: 2.74 m
Draft: 1.79 m
Displacement: 2994 kg
Crew weight: 606 kg
Wetted surface: 20.59 m²

Sails

Mainsail: 28.28 m²
Genoa: 24.55 m²
Spinnaker: 88.89 m²
Asymmetric spinnaker: 0 m²

Design

Type: ADAMS 10
Builder: Adams
Designer: Joe Adams
Year built: 1978
Stability index: -1

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.

4,43,3.418319,52,3.9,60,4.15,75,4.27,90,4.1,110,4.2,120,4.05,135,3.54,144.9,3.055675,150,2.89
6,43,4.744626,52,5.26,60,5.53,75,5.68,90,5.58,110,5.73,120,5.58,135,4.99,144.9,4.400173,150,4.16
8,40.5,5.575969,52,6.23,60,6.45,75,6.6,90,6.6,110,6.82,120,6.72,135,6.2,148.9,5.360477,150,5.31
10,38.5,6.095004,52,6.78,60,6.95,75,7.08,90,7.07,110,7.38,120,7.36,135,7.05,149.8,6.340576,150,6.33
12,37.3,6.310707,52,7.02,60,7.21,75,7.4,90,7.44,110,7.74,120,7.87,135,7.62,150,7.11,156.3,6.836579
14,36.7,6.423243,52,7.14,60,7.34,75,7.64,90,7.78,110,8.02,120,8.32,135,8.22,150,7.63,164.9,7.074255
16,36.3,6.489411,52,7.22,60,7.44,75,7.8,90,8.07,110,8.28,120,8.67,135,8.83,150,8.19,165.8,7.530079
20,36.3,6.601084,52,7.33,60,7.57,75,8.02,90,8.48,110,8.74,120,9.31,135,10.29,150,9.45,162.2,8.727805
24,37.1,6.645069,52,7.36,60,7.62,75,8.14,90,8.75,110,9.21,120,9.95,135,11.92,144.6,12.660591,150,11.92

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
4	3.9	4.15	4.27	4.1	4.2	4.05	3.54	2.89
6	5.26	5.53	5.68	5.58	5.73	5.58	4.99	4.16
8	6.23	6.45	6.6	6.6	6.82	6.72	6.2	5.31
10	6.78	6.95	7.08	7.07	7.38	7.36	7.05	6.33
12	7.02	7.21	7.4	7.44	7.74	7.87	7.62	7.11
14	7.14	7.34	7.64	7.78	8.02	8.32	8.22	7.63
16	7.22	7.44	7.8	8.07	8.28	8.67	8.83	8.19
20	7.33	7.57	8.02	8.48	8.74	9.31	10.29	9.45
24	7.36	7.62	8.14	8.75	9.21	9.95	11.92	11.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
4	43°	2.5	144.9°	2.5
6	43°	3.47	144.9°	3.6
8	40.5°	4.24	148.9°	4.59
10	38.5°	4.77	149.8°	5.48
12	37.3°	5.02	156.3°	6.26
14	36.7°	5.15	164.9°	6.83
16	36.3°	5.23	165.8°	7.3
20	36.3°	5.32	162.2°	8.31
24	37.1°	5.3	144.6°	10.32

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