Gullkrona — ORC Rating

GPH

729.5

OSN

708.6

LOA

10.455 m

Displacement

5100 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.556

Medium

0.7515

High

0.8571

Triple Offshore

Low

0.7156

Medium

0.9309

High

1.0314

Boat Specifications

Dimensions

Length overall: 10.455 m
Beam: 3.15 m
Draft: 1.46 m
Displacement: 5100 kg
Crew weight: 483 kg
Wetted surface: 26.48 m²

Sails

Mainsail: 23.44 m²
Genoa: 42.79 m²
Spinnaker: 62.53 m²
Asymmetric spinnaker: 0 m²

Design

Type: Allegro 33
Builder: Allegro båt
Designer: Lars-Olof Norlin
Year built: 1975
Stability index: 149.8

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.

6,44.4,4.08693,52,4.49,60,4.77,75,4.99,90,4.93,110,4.73,120,4.59,135,4.19,148.4,3.686628,150,3.62
8,43,4.771973,52,5.3,60,5.6,75,5.84,90,5.82,110,5.75,120,5.6,135,5.15,150,4.58,152,4.507629
10,43,5.359924,52,5.91,60,6.14,75,6.32,90,6.35,110,6.4,120,6.33,135,5.99,150,5.4,155,5.185876
12,43,5.674409,52,6.19,60,6.39,75,6.56,90,6.62,110,6.74,120,6.7,135,6.49,150,6.11,158.3,5.790347
14,42.3,5.759628,52,6.29,60,6.49,75,6.72,90,6.83,110,7.02,120,7,135,6.81,150,6.53,171.8,6.031666
16,41.8,5.768127,52,6.33,60,6.54,75,6.82,90,7,110,7.29,120,7.3,135,7.11,150,6.82,178.1,6.413526
20,43,5.756449,52,6.31,60,6.55,75,6.9,90,7.27,110,7.6,120,7.84,135,7.76,150,7.42,179,6.981063

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.49	4.77	4.99	4.93	4.73	4.59	4.19	3.62
8	5.3	5.6	5.84	5.82	5.75	5.6	5.15	4.58
10	5.91	6.14	6.32	6.35	6.4	6.33	5.99	5.4
12	6.19	6.39	6.56	6.62	6.74	6.7	6.49	6.11
14	6.29	6.49	6.72	6.83	7.02	7	6.81	6.53
16	6.33	6.54	6.82	7	7.29	7.3	7.11	6.82
20	6.31	6.55	6.9	7.27	7.6	7.84	7.76	7.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	2.92	148.4°	3.14
8	43°	3.49	152°	3.98
10	43°	3.92	155°	4.7
12	43°	4.15	158.3°	5.38
14	42.3°	4.26	171.8°	5.97
16	41.8°	4.3	178.1°	6.41
20	43°	4.21	179°	6.98

Loading polar chart…