MargoDaphne — ORC Rating

GPH

790.9

OSN

766

LOA

7.87 m

Displacement

2148 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.51

Medium

0.6995

High

0.8312

Triple Offshore

Low

0.6563

Medium

0.8564

High

0.9842

Boat Specifications

Dimensions

Length overall: 7.87 m
Beam: 2.2 m
Draft: 1.19 m
Displacement: 2148 kg
Crew weight: 332 kg
Wetted surface: 15.55 m²

Sails

Mainsail: 16.94 m²
Genoa: 14.94 m²
Spinnaker: 36.82 m²
Asymmetric spinnaker: 0 m²

Design

Type: IF
Builder: Marieholm AB
Designer: Tord Sundén
Year built: 1967

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.

6,43.5,3.57057,52,3.97,60,4.2,75,4.35,90,4.47,110,4.55,120,4.42,135,4.01,149,3.511567,150,3.48
8,42.4,4.18441,52,4.71,60,4.98,75,5.15,90,5.38,110,5.45,120,5.35,135,4.9,150,4.34,153,4.23117
10,42.8,4.770148,52,5.27,60,5.46,75,5.58,90,5.82,110,5.86,120,5.8,135,5.57,150,5.1,154,4.951079
12,40.9,5.10681,52,5.57,60,5.71,75,5.84,90,6.11,110,6.18,120,6.09,135,5.91,150,5.64,173,5.128225
14,39,5.288582,52,5.76,60,5.89,75,6.04,90,6.39,110,6.52,120,6.41,135,6.2,150,5.94,180,5.58
16,37.9,5.411337,52,5.91,60,6.05,75,6.23,90,6.65,110,6.84,120,6.74,135,6.52,150,6.21,180,5.89
20,37.5,5.520869,52,6.1,60,6.32,75,6.58,90,6.9,110,7.42,120,7.38,135,7.15,150,6.81,180,6.43

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.97	4.2	4.35	4.47	4.55	4.42	4.01	3.48
8	4.71	4.98	5.15	5.38	5.45	5.35	4.9	4.34
10	5.27	5.46	5.58	5.82	5.86	5.8	5.57	5.1
12	5.57	5.71	5.84	6.11	6.18	6.09	5.91	5.64
14	5.76	5.89	6.04	6.39	6.52	6.41	6.2	5.94
16	5.91	6.05	6.23	6.65	6.84	6.74	6.52	6.21
20	6.1	6.32	6.58	6.9	7.42	7.38	7.15	6.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.59	149°	3.01
8	42.4°	3.09	153°	3.77
10	42.8°	3.5	154°	4.45
12	40.9°	3.86	173°	5.09
14	39°	4.11	180°	5.58
16	37.9°	4.27	180°	5.89
20	37.5°	4.38	180°	6.43

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