PRINGIPESSA — ORC Rating

GPH

885.4

OSN

850.2

LOA

8.162 m

Displacement

3350 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4947

Medium

0.6993

High

0.8628

Triple Offshore

Low

0.6352

Medium

0.8696

High

1.0346

Boat Specifications

Dimensions

Length overall: 8.162 m
Beam: 2.71 m
Draft: 1.33 m
Displacement: 3350 kg
Crew weight: 402 kg
Wetted surface: 16.72 m²

Sails

Mainsail: 14.85 m²
Genoa: 15.43 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: MACWESTER 27
Builder: Macwester Marine
Designer: C. J. S. Roy
Year built: 1972

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.

6,46.5,3.326774,52,3.62,60,3.89,75,4.08,90,4.03,110,3.75,120,3.51,135,3.1,150,2.71,176.4,2.444824
8,45.3,3.966479,52,4.34,60,4.6,75,4.82,90,4.79,110,4.55,120,4.34,135,3.94,150,3.53,177.2,3.223849
10,45,4.426488,52,4.88,60,5.19,75,5.46,90,5.45,110,5.24,120,5.02,135,4.61,150,4.22,178.3,3.921726
12,45.2,4.83939,52,5.31,60,5.61,75,5.83,90,5.88,110,5.77,120,5.62,135,5.22,150,4.81,178.9,4.510831
14,44.9,5.195246,52,5.64,60,5.86,75,6.05,90,6.14,110,6.07,120,5.97,135,5.71,150,5.37,178.9,5.070935
16,43.5,5.39032,52,5.85,60,6.04,75,6.21,90,6.34,110,6.28,120,6.2,135,6.02,150,5.79,179.3,5.570416
20,43.2,5.514641,52,6,60,6.21,75,6.47,90,6.71,110,6.68,120,6.59,135,6.41,150,6.25,179.8,6.150037

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.62	3.89	4.08	4.03	3.75	3.51	3.1	2.71
8	4.34	4.6	4.82	4.79	4.55	4.34	3.94	3.53
10	4.88	5.19	5.46	5.45	5.24	5.02	4.61	4.22
12	5.31	5.61	5.83	5.88	5.77	5.62	5.22	4.81
14	5.64	5.86	6.05	6.14	6.07	5.97	5.71	5.37
16	5.85	6.04	6.21	6.34	6.28	6.2	6.02	5.79
20	6	6.21	6.47	6.71	6.68	6.59	6.41	6.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.5°	2.29	176.4°	2.44
8	45.3°	2.79	177.2°	3.22
10	45°	3.13	178.3°	3.92
12	45.2°	3.41	178.9°	4.51
14	44.9°	3.68	178.9°	5.07
16	43.5°	3.91	179.3°	5.57
20	43.2°	4.02	179.8°	6.15

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