Masthead Ketch
• Fin with rudder on skeg
• Built 1978
Dimensions
LOA
40 ft
LWL
32.75 ft
Beam
12.5 ft
Max Draft
5.97 ft
Displacement
22,046 lbs
Ballast
9,921 lbs
Performance Ratios
Capsize Ratio ⓘ
1.78
(offshore safe)
SA/D Ratio ⓘ
10.4
D/L Ratio ⓘ
280
Ballast Ratio ⓘ
45.0%
Sail Plan
Sail Area
510 sq ft
Construction
Hull Type
Fin with rudder on skeg
Rig Type
Masthead Ketch
Hull Material
FG
Ballast Type
—
Production
First Built
1978
Last Built
—
Number Built
—
Engine & Accommodations
Engine Make
Thornycroft
Power
50 hp
Engine Type
Diesel
Water
92 gal
Fuel
63 gal
Notes: Another version (fitted out by Swinton and Wilkingson, UK) was called the BLACKWATER 40.\n\nSail Area:\nMain: 234 sq ft / 21.74 sq m\nMizzen: 104 sq ft / 9.66 sq m\nGenoa: 444 sq ft / 41.25 sq m\n#! jib: 322 sq ft / 29.91 sq m\n#2 Jib: 172 sq ft / 15.98 sq m\nMizzen staysail: 264 sq ft / 24.53 sq m