AVA — ORC Rating | RegattaPages

GPH

756.5

OSN

731.4

LOA

8.31 m

Displacement

1543 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5261

Medium

0.7318

High

0.8481

Triple Offshore

Low

0.682

Medium

0.9009

High

1.017

Boat Specifications

Dimensions

Length overall: 8.31 m
Beam: 2.19 m
Draft: 1.28 m
Displacement: 1543 kg
Crew weight: 300 kg
Wetted surface: 12.28 m²

Sails

Mainsail: 15.71 m²
Genoa: 10.4 m²
Spinnaker: 32.12 m²
Asymmetric spinnaker: 0 m²

Design

Type: H-BOAT ONE DESIGN
Builder: BOTNIA
Designer: HANS GROOP
Year built: 1967
Stability index: 115.1

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.

6,44.1,3.718009,52,4.11,60,4.36,75,4.54,90,4.74,110,4.77,120,4.59,135,4.13,146.9,3.64084,150,3.53
8,43,4.443814,52,4.97,60,5.25,75,5.44,90,5.71,110,5.75,120,5.61,135,5.12,150,4.47,151.1,4.431933
10,42.4,5.051084,52,5.57,60,5.77,75,5.92,90,6.15,110,6.22,120,6.13,135,5.86,150,5.33,152.9,5.201004
12,40.2,5.34174,52,5.87,60,6.03,75,6.18,90,6.4,110,6.62,120,6.53,135,6.26,150,5.92,161.9,5.5654
14,39.6,5.489847,52,6.02,60,6.19,75,6.41,90,6.54,110,6.98,120,6.95,135,6.65,150,6.29,177.2,5.826957
16,39.4,5.525837,52,6.07,60,6.28,75,6.6,90,6.77,110,7.24,120,7.35,135,7.07,150,6.66,179,6.190943
20,39.9,5.552911,52,6.08,60,6.33,75,6.78,90,7.19,110,7.6,120,8.04,135,8.05,150,7.45,178.1,6.883785

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.11	4.36	4.54	4.74	4.77	4.59	4.13	3.53
8	4.97	5.25	5.44	5.71	5.75	5.61	5.12	4.47
10	5.57	5.77	5.92	6.15	6.22	6.13	5.86	5.33
12	5.87	6.03	6.18	6.4	6.62	6.53	6.26	5.92
14	6.02	6.19	6.41	6.54	6.98	6.95	6.65	6.29
16	6.07	6.28	6.6	6.77	7.24	7.35	7.07	6.66
20	6.08	6.33	6.78	7.19	7.6	8.04	8.05	7.45

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	2.67	146.9°	3.05
8	43°	3.25	151.1°	3.88
10	42.4°	3.73	152.9°	4.63
12	40.2°	4.08	161.9°	5.29
14	39.6°	4.23	177.2°	5.82
16	39.4°	4.27	179°	6.19
20	39.9°	4.26	178.1°	6.88

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