HURLY-BURLY — ORC Rating

GPH

721.3

OSN

697.4

LOA

8.8 m

Displacement

2600 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6233

Medium

0.8672

High

1.0177

Triple Offshore

Low

0.8043

Medium

1.0619

High

1.2057

Boat Specifications

Dimensions

Length overall: 8.8 m
Beam: 2.5 m
Draft: 1.64 m
Displacement: 2600 kg
Crew weight: 300 kg
Wetted surface: 16.49 m²

Sails

Mainsail: 19.59 m²
Genoa: 15.88 m²
Spinnaker: 47.88 m²
Asymmetric spinnaker: 0 m²

Design

Type: H 28
Builder: HENZE
Designer: HEINEMANN
Year built: 1988

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.

6,42.3,3.853272,52,4.3,60,4.53,75,4.7,90,4.91,110,4.97,120,4.81,135,4.34,147.4,3.774694,150,3.67
8,40.6,4.557001,52,5.15,60,5.41,75,5.63,90,5.93,110,6,120,5.86,135,5.33,150,4.65,151.5,4.58571
10,40.7,5.210158,52,5.82,60,6.01,75,6.15,90,6.41,110,6.47,120,6.39,135,6.12,150,5.53,151.5,5.461887
12,39.4,5.603484,52,6.16,60,6.3,75,6.41,90,6.69,110,6.8,120,6.72,135,6.5,150,6.18,162.3,5.762803
14,38,5.786723,52,6.34,60,6.48,75,6.62,90,6.86,110,7.16,120,7.08,135,6.82,150,6.52,180,6.07
16,37.9,5.905581,52,6.46,60,6.62,75,6.81,90,6.96,110,7.52,120,7.47,135,7.19,150,6.81,180,6.44
20,38.6,5.962736,52,6.53,60,6.77,75,7.15,90,7.34,110,7.91,120,8.26,135,8,150,7.52,180,7.03

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.3	4.53	4.7	4.91	4.97	4.81	4.34	3.67
8	5.15	5.41	5.63	5.93	6	5.86	5.33	4.65
10	5.82	6.01	6.15	6.41	6.47	6.39	6.12	5.53
12	6.16	6.3	6.41	6.69	6.8	6.72	6.5	6.18
14	6.34	6.48	6.62	6.86	7.16	7.08	6.82	6.52
16	6.46	6.62	6.81	6.96	7.52	7.47	7.19	6.81
20	6.53	6.77	7.15	7.34	7.91	8.26	8	7.52

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	2.85	147.4°	3.18
8	40.6°	3.46	151.5°	4.03
10	40.7°	3.95	151.5°	4.8
12	39.4°	4.33	162.3°	5.49
14	38°	4.56	180°	6.07
16	37.9°	4.66	180°	6.44
20	38.6°	4.66	180°	7.03

Loading polar chart…