History

Constellation Yachts:

Last known Address: Nonsuch House, Mary Tavy Tavistock, Devon, England PL19 9PF
Construction Dates: mmm yy - mmm yy
Models built: Mark II (1975)

Mark II:
No significant changes. Mast was extended from 28' to 30' and from 3/4 to masthead rig during early Mark I's.

Aquarius Marine:

Last known Address: The Shipyard, Porthleven HELSTON, Cornwall
Construction Dates: 1977? - 1979
Models built: Mark III (1977)

Mark III:
Skeg now part of GRP hull moulding (was wooden, bolt on previously); central nacelle extended to rear of aft cabin to reduce wave impact on bridge deck under bunks in heavy seas; hatches to aft cabins now hinged, rather than sliding; keels extended forwards by 18" to ensure level taking of the ground; saloon entrance squared off at top rather than semicircular. Note: Many interim HT's were made with MARK III hulls and rig, and Mark II deck.

P.T. Yachts Ltd:

Last known Address: Foss Quay, Millbrook Nr Plymouth
Construction Dates: 1979 - 1981

Moulds returned to Pat Patterson following collapse of Aquarius Marine.

Heavenly Cruising Yachts Ltd:

Last known Address: Thornham Marina, EMSWORTH Hants, PO10 8DD
Construction Dates: 1981 - 1998
Models built: Mark IV (1981), Mark IVA (1987) & New 27 (1989)

Mark IV:
Balsa core GRP sandwich to bridge deck, coachroof and sidedecks for extra stiffness, improved insulation and significant weight savings. Foredeck now part of deck moulding (was hardwood slats before), so drier, lighter, and stronger for bow roller and forestay fittings -single forestay therefore taken to stemhead ratherthan the earlier twin forestay bridle system; 4" extra width in aft cabin entrances; under mast stiffening and improved, heavier duty rigging allows tighter rigging/better windward ability; inner forestay with storm jib/cutter rig - roller reefing Genoa standard, with some extra sail area low down; slab reefing now standard on mainsail; rack & pinion steering system -heavier duty and no play; rudder tie bar internal, hence freeing comfortable aft deck area and allowing fitting of pushpits and all round lifelines; buoyancy chambers installed fore and aft in both hulls (earlier versions sink if holed, unless extra buoyancy installed); engine rooms increasedin size giving much improved engine access (twin inboards) or massive extra internal stowage space (outboards); GRP cockpit locker lids plywood previously); folding sprayhood option introduced.

Mark IVA:
Extra 4" freeboard on hulls, giving extended bow line, additional reserve buoyancy forward, and extra headroom and lockerspace throughout the boat; bridge deck height was raised 2" to reduce wave slap at speed; improved specifications, with extra lockers and interior finish to the highest standards. Improved galley with double sink, teak & holly flooring, and insulated coolbox as standard.

New 27:
For the New-27, a brand new deck mould was created, which allowed the following improvements: Extra headroom throughout the saloon, plus a larger forehatch; Stoopthrough access option to aft cabins; Increased headroom in saloon entrance; "U" shaped saloon option; Huge aft stateroom option, with aft cabins divider removable; Interior woodwork in ash as standard, giving even lighter interiors; Larger aft cabins - greater headroom, larger entrances, longer bunks; High tech sails option, with NORTH SAILS fully battened mainsail, lazyjacks, and C-CUT roller reefing Genoa with foam luff; Lewmar 16ST self tailing Genoa winch is standard; Mainsheet track curved & level for smoother tacking; Genoa sheet totally revised, resulting in much closer windedness and easier tacking; Improved steering geometry gives tighter turning circle, easier tacking; Isopthalic resins now standard throughout the hull layup; Larger watertight cockpit & foredeck lockers, with easier access; Cockpit floor area increased for outboard powered versions; Cockpit floor totally flush for twin diesel versions; Heavy duty stainless steel bow roller; Improved drawings available for DIY boatbuilders; Superb, freestanding allover cockpit cover now available; Twin hydraulic drives option, with single, centrally mounted diesel.

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