Katla — ORC Rating | RegattaPages

GPH

700.4

OSN

678.8

LOA

8.75 m

Displacement

3685 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.57

Medium

0.7865

High

0.9389

Triple Offshore

Low

0.7382

Medium

0.9691

High

1.1113

Boat Specifications

Dimensions

Length overall: 8.75 m
Beam: 3.02 m
Draft: 1.82 m
Displacement: 3685 kg
Crew weight: 527 kg
Wetted surface: 19.75 m²

Sails

Mainsail: 25.17 m²
Genoa: 18.08 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 47.67 m²

Design

Type: Dehler 29
Builder: Dehler
Designer: JUDEL/VROLIJK
Year built: 1997

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.

6,43.5,4.108223,52,4.55,60,4.79,75,4.97,90,5.16,110,5.12,120,4.92,135,4.39,147,3.851333,150,3.73
8,41.6,4.787389,52,5.39,60,5.67,75,5.89,90,6.15,110,6.14,120,5.94,135,5.35,150,4.71,152,4.620886
10,41.2,5.382668,52,6.01,60,6.23,75,6.43,90,6.65,110,6.65,120,6.54,135,6.17,150,5.53,155,5.318282
12,39.8,5.805149,52,6.38,60,6.53,75,6.72,90,6.96,110,6.98,120,6.88,135,6.62,150,6.24,161,5.82749
14,37.9,6.03231,52,6.61,60,6.74,75,6.9,90,7.24,110,7.32,120,7.19,135,6.93,150,6.64,180,6.14
16,37.1,6.156092,52,6.75,60,6.9,75,7.08,90,7.42,110,7.7,120,7.55,135,7.26,150,6.93,180,6.56
20,37.5,6.239338,52,6.85,60,7.07,75,7.44,90,7.66,110,8.35,120,8.32,135,8,150,7.57,180,7.14

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.55	4.79	4.97	5.16	5.12	4.92	4.39	3.73
8	5.39	5.67	5.89	6.15	6.14	5.94	5.35	4.71
10	6.01	6.23	6.43	6.65	6.65	6.54	6.17	5.53
12	6.38	6.53	6.72	6.96	6.98	6.88	6.62	6.24
14	6.61	6.74	6.9	7.24	7.32	7.19	6.93	6.64
16	6.75	6.9	7.08	7.42	7.7	7.55	7.26	6.93
20	6.85	7.07	7.44	7.66	8.35	8.32	8	7.57

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.98	147°	3.23
8	41.6°	3.58	152°	4.08
10	41.2°	4.05	155°	4.82
12	39.8°	4.46	161°	5.51
14	37.9°	4.76	180°	6.14
16	37.1°	4.91	180°	6.56
20	37.5°	4.95	180°	7.14

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