Heavenly Twins

Designer
Pat Patterson
Builder
Heavenly Cruising Yachts Ltd. (UK)
Associations
?
# Built
?
Hull Type
Catamaran (no boards/asym.)
Construction
FG

Dimensions

Length Overall
27 0 / 8.2 m
Waterline Length
21 5 / 6.6 m
Beam
13 8 / 4.2 m
Draft
2 3 / 0.7 m
Displacement
5,600 lbs / 2,540 kg
Ballast
?
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
412 ft2 / 38.3 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
20 gal / 76 l

Accomodations

Water Capacity
52 gal / 197 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.21 knots
Sail Area/Displacement
20.9
high performance
Ballast/Displacement
?
Displacement/Length
251.55
moderate
Comfort Ratio
11.31
lightweight racing boat
Capsize Screening
3.1
better suited for coastal cruising

Notes

The heavenly twins has been produced since 1971 in the following variants (major changes/distinguishing features are indicated):

Mk1 - shorter keels and no central nacelle/pod aft of the cockpit, rounded saloon access door

Mk2 - As Mk1 but larger rig, square saloon access door

Mk2A - New Hull mould, incorporating longer keels (fwd) and full length central nacelle

Mk3 - Same hull as MK2A but with new Deck Moulding, incorporating larger aft cabin hatches, additional re-enforcement under mast/above saloon door

Mk4 - Solid foredeck, improvements inside.

HT27 - 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


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