Bagheera: ORC Rating

GPH

601.6

OSN

586.4

LOA

11.99 m

Displacement

8056 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7608

Medium

1.0236

High

1.1745

Triple Offshore

Low

0.9856

Medium

1.2642

High

1.4065

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.79 m
Draft: 1.97 m
Displacement: 8056 kg
Crew weight: 792 kg
Wetted surface: 33.42 m²

Sails

Mainsail: 51.68 m²
Genoa: 49.13 m²
Spinnaker: 103.97 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 39 SQ
Builder: Dehler
Designer: Judel -Vrolijk
Year built: 1999

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.2,4.993356,52,5.57,60,5.9,75,6.2,90,6.15,110,5.82,120,5.65,135,5.1,144.5,4.569376,150,4.3
8,41.8,5.862026,52,6.58,60,6.9,75,7.13,90,7.13,110,7.02,120,6.86,135,6.26,149.3,5.454425,150,5.41
10,41.5,6.529091,52,7.2,60,7.42,75,7.58,90,7.6,110,7.66,120,7.57,135,7.18,150,6.38,151.3,6.304536
12,40.4,6.762628,52,7.45,60,7.65,75,7.84,90,7.9,110,8.04,120,7.97,135,7.7,150,7.2,155.8,6.896022
14,39.8,6.859447,52,7.55,60,7.76,75,8.03,90,8.16,110,8.4,120,8.36,135,8.06,150,7.68,171.8,7.021789
16,39.4,6.88465,52,7.59,60,7.81,75,8.14,90,8.4,110,8.68,120,8.79,135,8.46,150,8.02,180,7.5
20,39.3,6.95234,52,7.64,60,7.84,75,8.25,90,8.75,110,9.08,120,9.47,135,9.39,150,8.81,180,8.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.57	5.9	6.2	6.15	5.82	5.65	5.1	4.3
8	6.58	6.9	7.13	7.13	7.02	6.86	6.26	5.41
10	7.2	7.42	7.58	7.6	7.66	7.57	7.18	6.38
12	7.45	7.65	7.84	7.9	8.04	7.97	7.7	7.2
14	7.55	7.76	8.03	8.16	8.4	8.36	8.06	7.68
16	7.59	7.81	8.14	8.4	8.68	8.79	8.46	8.02
20	7.64	7.84	8.25	8.75	9.08	9.47	9.39	8.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.64	144.5°	3.72
8	41.8°	4.37	149.3°	4.69
10	41.5°	4.89	151.3°	5.53
12	40.4°	5.15	155.8°	6.29
14	39.8°	5.27	171.8°	6.95
16	39.4°	5.32	180°	7.5
20	39.3°	5.38	180°	8.2

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.57	6.58	7.20	7.45	7.55	7.59	7.64
60°	5.90	6.90	7.42	7.65	7.76	7.81	7.84
75°	6.20	7.13	7.58	7.84	8.03	8.14	8.25
90°	6.15	7.13	7.60	7.90	8.16	8.40	8.75
110°	5.82	7.02	7.66	8.04	8.40	8.68	9.08
120°	5.65	6.86	7.57	7.97	8.36	8.79	9.47
135°	5.10	6.26	7.18	7.70	8.06	8.46	9.39
150°	4.30	5.41	6.38	7.20	7.68	8.02	8.81