Mission IF Possible: ORC Rating

GPH

811.6

OSN

786.6

LOA

7.87 m

Displacement

2150 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5072

Medium

0.6825

High

0.7771

Triple Offshore

Low

0.6484

Medium

0.834

High

0.9253

Boat Specifications

Dimensions

Length overall: 7.87 m
Beam: 2.2 m
Draft: 1.16 m
Displacement: 2150 kg
Crew weight: 275 kg
Wetted surface: 15.28 m²

Sails

Mainsail: 17.05 m²
Genoa: 15.39 m²
Spinnaker: 31.3 m²
Asymmetric spinnaker: 0 m²

Design

Type: IF
Builder: Marieholm
Designer: Tord Sunden
Year built: 1974
Stability index: 144.9

Performance data

Polar CSV

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

6,43.2,3.621555,52,4.04,60,4.25,75,4.37,90,4.37,110,4.4,120,4.25,135,3.83,148.7,3.370554,150,3.32
8,41.5,4.23256,52,4.74,60,4.94,75,5.08,90,5.18,110,5.23,120,5.1,135,4.7,150,4.2,153.8,4.067948
10,40.6,4.662365,52,5.18,60,5.35,75,5.5,90,5.64,110,5.71,120,5.62,135,5.35,150,4.92,159.2,4.621182
12,40.2,4.909688,52,5.43,60,5.59,75,5.75,90,5.9,110,6.02,120,5.95,135,5.75,150,5.45,170,4.995899
14,40,5.012764,52,5.56,60,5.73,75,5.92,90,6.05,110,6.28,120,6.23,135,6.05,150,5.8,177.2,5.416467
16,40.2,5.092983,52,5.62,60,5.81,75,6.05,90,6.17,110,6.49,120,6.5,135,6.34,150,6.08,179,5.760877
20,40.8,5.151949,52,5.68,60,5.88,75,6.18,90,6.43,110,6.79,120,6.97,135,6.9,150,6.62,179,6.280957

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.04	4.25	4.37	4.37	4.4	4.25	3.83	3.32
8	4.74	4.94	5.08	5.18	5.23	5.1	4.7	4.2
10	5.18	5.35	5.5	5.64	5.71	5.62	5.35	4.92
12	5.43	5.59	5.75	5.9	6.02	5.95	5.75	5.45
14	5.56	5.73	5.92	6.05	6.28	6.23	6.05	5.8
16	5.62	5.81	6.05	6.17	6.49	6.5	6.34	6.08
20	5.68	5.88	6.18	6.43	6.79	6.97	6.9	6.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	2.64	148.7°	2.88
8	41.5°	3.17	153.8°	3.65
10	40.6°	3.54	159.2°	4.32
12	40.2°	3.75	170°	4.92
14	40°	3.84	177.2°	5.41
16	40.2°	3.89	179°	5.76
20	40.8°	3.9	179°	6.28

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°	4.04	4.74	5.18	5.43	5.56	5.62	5.68
60°	4.25	4.94	5.35	5.59	5.73	5.81	5.88
75°	4.37	5.08	5.50	5.75	5.92	6.05	6.18
90°	4.37	5.18	5.64	5.90	6.05	6.17	6.43
110°	4.40	5.23	5.71	6.02	6.28	6.49	6.79
120°	4.25	5.10	5.62	5.95	6.23	6.50	6.97
135°	3.83	4.70	5.35	5.75	6.05	6.34	6.90
150°	3.32	4.20	4.92	5.45	5.80	6.08	6.62