Masthead Sloop
• Catamaran (no boards/asym.)
• Built 1971
Dimensions
LOA
27 ft
LWL
21.5 ft
Beam
13.75 ft
Max Draft
2.25 ft
Displacement
6,285 lbs
Ballast
— lbs
Performance Ratios
Capsize Ratio ⓘ
2.98
(use caution offshore)
SA/D Ratio ⓘ
17.9
D/L Ratio ⓘ
282
Ballast Ratio ⓘ
—
Sail Plan
Sail Area
380 sq ft
Construction
Hull Type
Catamaran (no boards/asym.)
Rig Type
Masthead Sloop
Hull Material
FG
Ballast Type
—
Production
First Built
1971
Last Built
—
Number Built
—
Engine & Accommodations
Engine Make
Yanmar
Engine Model
1GM10
Power
2x 9 hp
Engine Type
Diesel
Water
62 gal
Fuel
24 gal
Notes: The heavenly twins has been produced since 1971 in the following variants (major changes/distinguishing features are indicated):\n\nMk1 (1971) - Original LOA: 26.17 ft / 7.98 m. Shorter keels and no central nacelle/pod aft of the cockpit, rounded saloon access door\n\nMk2 (1975) - As Mk1 but larger rig, square saloon access door\n\nMk2A - New Hull mould, incorporating longer keels (fwd) and full length central nacelle\n\nMk3 (1977) - Same hull as MK2A but with new Deck Moulding, incorporating larger aft cabin hatches, additional re-enforcement under mast/above saloon door\n\nMk4 (1981) - Solid foredeck, improvements inside.\n\nHT27 (1989) - LOA 27 ft / 8.23 m. Hull/Deck join lifted 100mm, giving height for a "stoop-thru" passage in stbd hull, deck mould altered beneath mast to give standing headroom in saloon.\n\nOther engine options: Perkins 20 hp diesel or Yamaha 9.9 AEL 4-stroke outboard.\n\n\n\n\n\n