DELFINETTA: ORC Rating

GPH

824.6

OSN

798.7

LOA

7.98 m

Displacement

2500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5416

Medium

0.7455

High

0.8684

Triple Offshore

Low

0.7023

Medium

0.9306

High

1.0494

Boat Specifications

Dimensions

Length overall: 7.98 m
Beam: 2.2 m
Draft: 1.21 m
Displacement: 2500 kg
Crew weight: 359 kg
Wetted surface: 17.12 m²

Sails

Mainsail: 16.63 m²
Genoa: 15.89 m²
Spinnaker: 40.79 m²
Asymmetric spinnaker: 41.76 m²

Design

Type: MARIEHOLM 26
Builder: MARIEHOLM
Designer: Tord Sunden
Year built: 1967

Performance data

Polar CSV

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

6,44.5,3.336836,52,3.68,60,3.91,75,4.11,90,4.37,110,4.44,120,4.29,135,3.86,148.6,3.385856,150,3.34
8,43,3.951576,52,4.4,60,4.65,75,4.94,90,5.33,110,5.39,120,5.25,135,4.77,150,4.22,152.7,4.118759
10,43,4.443814,52,4.99,60,5.28,75,5.51,90,5.83,110,5.89,120,5.81,135,5.55,150,5,153.3,4.869196
12,43.7,4.924152,52,5.42,60,5.64,75,5.8,90,6.05,110,6.18,120,6.12,135,5.94,150,5.63,166.6,5.13993
14,43.9,5.162715,52,5.62,60,5.82,75,5.99,90,6.15,110,6.45,120,6.41,135,6.21,150,5.96,180,5.56
16,43.9,5.259863,52,5.7,60,5.92,75,6.13,90,6.24,110,6.67,120,6.71,135,6.51,150,6.22,180,5.9
20,44.3,5.295569,52,5.74,60,5.98,75,6.31,90,6.56,110,6.92,120,7.18,135,7.12,150,6.78,180,6.41

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.68	3.91	4.11	4.37	4.44	4.29	3.86	3.34
8	4.4	4.65	4.94	5.33	5.39	5.25	4.77	4.22
10	4.99	5.28	5.51	5.83	5.89	5.81	5.55	5
12	5.42	5.64	5.8	6.05	6.18	6.12	5.94	5.63
14	5.62	5.82	5.99	6.15	6.45	6.41	6.21	5.96
16	5.7	5.92	6.13	6.24	6.67	6.71	6.51	6.22
20	5.74	5.98	6.31	6.56	6.92	7.18	7.12	6.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.5°	2.38	148.6°	2.89
8	43°	2.89	152.7°	3.66
10	43°	3.25	153.3°	4.35
12	43.7°	3.56	166.6°	5
14	43.9°	3.72	180°	5.56
16	43.9°	3.79	180°	5.9
20	44.3°	3.79	180°	6.41

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°	3.68	4.40	4.99	5.42	5.62	5.70	5.74
60°	3.91	4.65	5.28	5.64	5.82	5.92	5.98
75°	4.11	4.94	5.51	5.80	5.99	6.13	6.31
90°	4.37	5.33	5.83	6.05	6.15	6.24	6.56
110°	4.44	5.39	5.89	6.18	6.45	6.67	6.92
120°	4.29	5.25	5.81	6.12	6.41	6.71	7.18
135°	3.86	4.77	5.55	5.94	6.21	6.51	7.12
150°	3.34	4.22	5.00	5.63	5.96	6.22	6.78