PRION: ORC Rating

GPH

682.9

OSN

661.4

LOA

9.05 m

Displacement

1999 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5954

Medium

0.8066

High

0.9171

Triple Offshore

Low

0.7644

Medium

0.9949

High

1.1132

Boat Specifications

Dimensions

Length overall: 9.05 m
Beam: 2.13 m
Draft: 1.84 m
Displacement: 1999 kg
Crew weight: 360 kg
Wetted surface: 16.43 m²

Sails

Mainsail: 20.29 m²
Genoa: 15.71 m²
Spinnaker: 41.05 m²
Asymmetric spinnaker: 43.58 m²

Design

Type: RCOD (mod)
Builder: RSG Plastics, Durb
Designer: vd Stadt
Year built: 1982
Stability index: 130

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,42.4,4.238577,52,4.72,60,4.94,75,5.07,90,5.15,110,5.17,120,5,135,4.49,144.8,4.026214,150,3.8
8,40.5,5.063085,52,5.67,60,5.88,75,6.02,90,6.19,110,6.28,120,6.12,135,5.63,147.1,5.037994,150,4.88
10,39,5.558801,52,6.22,60,6.4,75,6.54,90,6.71,110,6.86,120,6.78,135,6.44,148,5.907684,150,5.78
12,38.4,5.729281,52,6.4,60,6.61,75,6.84,90,6.96,110,7.32,120,7.32,135,6.98,150,6.39,159.2,6.03321
14,38.2,5.802583,52,6.49,60,6.7,75,7.02,90,7.21,110,7.71,120,7.84,135,7.54,150,6.88,171.8,6.304455
16,38.2,5.853483,52,6.54,60,6.76,75,7.13,90,7.46,110,8.02,120,8.33,135,8.16,150,7.36,177.2,6.728032
20,38.8,5.876783,52,6.56,60,6.81,75,7.25,90,7.75,110,8.54,120,9.24,135,9.74,150,8.48,176.6,7.613401

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.72	4.94	5.07	5.15	5.17	5	4.49	3.8
8	5.67	5.88	6.02	6.19	6.28	6.12	5.63	4.88
10	6.22	6.4	6.54	6.71	6.86	6.78	6.44	5.78
12	6.4	6.61	6.84	6.96	7.32	7.32	6.98	6.39
14	6.49	6.7	7.02	7.21	7.71	7.84	7.54	6.88
16	6.54	6.76	7.13	7.46	8.02	8.33	8.16	7.36
20	6.56	6.81	7.25	7.75	8.54	9.24	9.74	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.13	144.8°	3.29
8	40.5°	3.85	147.1°	4.23
10	39°	4.32	148°	5.01
12	38.4°	4.49	159.2°	5.64
14	38.2°	4.56	171.8°	6.24
16	38.2°	4.6	177.2°	6.72
20	38.8°	4.58	176.6°	7.6

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.72	5.67	6.22	6.40	6.49	6.54	6.56
60°	4.94	5.88	6.40	6.61	6.70	6.76	6.81
75°	5.07	6.02	6.54	6.84	7.02	7.13	7.25
90°	5.15	6.19	6.71	6.96	7.21	7.46	7.75
110°	5.17	6.28	6.86	7.32	7.71	8.02	8.54
120°	5.00	6.12	6.78	7.32	7.84	8.33	9.24
135°	4.49	5.63	6.44	6.98	7.54	8.16	9.74
150°	3.80	4.88	5.78	6.39	6.88	7.36	8.48