GRACE — ORC Rating | RegattaPages

GPH

697.9

OSN

677.7

LOA

8.3 m

Displacement

3101 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6067

Medium

0.8005

High

0.897

Triple Offshore

Low

0.7685

Medium

0.963

High

1.0543

Boat Specifications

Dimensions

Length overall: 8.3 m
Beam: 3.2 m
Draft: 1.81 m
Displacement: 3101 kg
Crew weight: 432 kg
Wetted surface: 17.57 m²

Sails

Mainsail: 19.25 m²
Genoa: 28.43 m²
Spinnaker: 59.95 m²
Asymmetric spinnaker: 0 m²

Design

Type: PLENAMAR 27
Builder: AST. PLENAMAR
Designer: NESTOR VOLKER
Year built: 1990
Stability index: 100.7

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.

6,41.4,4.372686,52,4.9,60,5.11,75,5.21,90,5.09,110,5.08,120,4.94,135,4.5,146.9,3.987018,150,3.85
8,40,5.091088,52,5.66,60,5.81,75,5.91,90,5.86,110,5.98,120,5.87,135,5.48,150,4.85,151.4,4.783692
10,38.2,5.484459,52,6.04,60,6.16,75,6.26,90,6.3,110,6.43,120,6.37,135,6.12,150,5.66,155,5.439653
12,37.5,5.659521,52,6.23,60,6.36,75,6.49,90,6.54,110,6.75,120,6.71,135,6.51,150,6.19,164.6,5.746319
14,37,5.72226,52,6.32,60,6.47,75,6.66,90,6.72,110,7.01,120,7.02,135,6.83,150,6.53,176.3,6.062637
16,37,5.759824,52,6.36,60,6.53,75,6.78,90,6.9,110,7.23,120,7.3,135,7.14,150,6.83,179,6.410976
20,37.5,5.772964,52,6.39,60,6.57,75,6.89,90,7.17,110,7.52,120,7.84,135,7.85,150,7.43,179,6.981063

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.11	5.21	5.09	5.08	4.94	4.5	3.85
8	5.66	5.81	5.91	5.86	5.98	5.87	5.48	4.85
10	6.04	6.16	6.26	6.3	6.43	6.37	6.12	5.66
12	6.23	6.36	6.49	6.54	6.75	6.71	6.51	6.19
14	6.32	6.47	6.66	6.72	7.01	7.02	6.83	6.53
16	6.36	6.53	6.78	6.9	7.23	7.3	7.14	6.83
20	6.39	6.57	6.89	7.17	7.52	7.84	7.85	7.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.4°	3.28	146.9°	3.34
8	40°	3.9	151.4°	4.2
10	38.2°	4.31	155°	4.93
12	37.5°	4.49	164.6°	5.54
14	37°	4.57	176.3°	6.05
16	37°	4.6	179°	6.41
20	37.5°	4.58	179°	6.98

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