Thea è un Hallberg Rassy 312 MK I

E' la n° 244 del 1983

Adesso sta subendo un lento refitting compatibilmente con i nostri tempi.
Curiosando all'interno del blog troverete tutti i lavori terminati e quelli in corso divisi per argomento alla voce "lavori a bordo"

Hallberg-Rassy 312
Christoph Rassy / Olle Enderlein
Hull length
9.42 m / 30' 11"
3.08 m / 10' 1"
1.62 m / 5' 4"
4900 kg / 10800 lbs
Sail area with jib
45 m² / 495 sqft
Volvo Penta MD 2003S/120 B
kW / hp
20.5 / 28
Fresh water
120 litres (25 US gallon)
110 litres (23 US gallon)
Transport height without windscreen
HR 312 Mk I
3.14 m / 10' 4"
Transport height without windscreen
HR 312 Mk II
3.17 m / 10' 5"
Transport height with windscreen
HR 312 Mk I
3.51 m / 11' 6"
Transport height with windscreen
HR 312 Mk II
3.54 m / 11' 7"

(From Dec. 1987)


GRP. Colour: White, Marine blue decorating stripe above the rubbing strake.
Underwater hull treated with GRP primer, two-component primer and antifouling paint.
Blue water line.
Built in longitudinal stringers and tanks in GRP. Ballast keel of iron, moulded in and completely protected in GRP.


Rudder blade in GRP.
Rudder main shaft Ø 35 mm bronze. Heavy cast rudder fittings in bronze.

Deck and superstructure:

GRP-sandwich construction, 25 mm with polyvinyl cellular plastic as core material for strength and insulation.
Colour: Ivory white.
Hull and deck completely joined by overlapping the GRP laminate. Bulwark formed in the deck and hull mouldings and fitted with a solid capping in teak.
Handrails, companionway, hatchguides, sole and seats in cockpit are all in Bangkok-teak.
Laid teakdeck on top of GRP deck, 1/2". The deck is provided with four 1" scuppers draining below the waterline.
Two 1/2" scuppers from the watertight and self draining cockpit.

Spars and rigging:

Mast and boom in anodised light alloy profiles. Mast 177x124 mm. Boom 128x80 mm.
The mast is stepped on the cabin top directly over strengthened bulkhead. Slab reef with internal reeflines.
2 halyard winches Lewmar or equiv. On the main mast is one Lewmar 7 for reef and outhaul.
Boom vang tackle.
Internal halyards and outhaul.
Fittings for spinnaker halyard at masthead, pennantlines. Main sheet 4-part on x-track with traveller.
Foresail sheet. Four adjustable travellers for foresail sheets on light alloy track. Main shrouds and stays in Ø 7 mm 1x19.
Turnbuckles 1/2".
Jib halyard Ø 5 mm and main halyard Ø 4 mm with 7x19 terylene tails.
Boom lift.
Stainless chain plates.
Steamhead fitting in stainless steel with incorporated anchor roller.


First class original Hood cloth.
Main sail: app. 22 m² (240 sq ft) 280 gr./m².
Working jib: app. 26 m² (275 sq ft) 280 gr./m².
All sails are delivered with bags and eventual battens.


Sheetwinches, two Lewmar 40 two speed.
Two winch handles 10", "Lockin".
Four 12" mooring cleats.
Two 10" mooring cleats amidships.
Stainless steel pulpit, open type for easy embarkment.
Built in rubbing strake with bronze profile.
Double lifelines with four pairs of conical stanchions, 26" high.
The yacht is delivered with permanent windscreens with heat treated glass in light alloy frames. In the windscreen one panel is opening. A canvas sprayhood is attached to the windscreen, protecting the forward part of the cockpit.
Portlights in 9 mm acrylic glass and light alloy frames.
Compass: Silva or equivalent.
Bilge pump.
Anchor of light weight type 14 kg (30 lb.). One anchor line 30 m (100 ft.), 12 ft. chain.
Four mooring Lines 10 m (30 ft.).
Boat hook, flag staff.
International navigation lights Ø 100 mm.
Water tank app. 120 litres.
Four 6" fenders.
Cockpit table.
Bathing ladder on transom.
Stainless sink with manual fresh water pump.


Volvo Penta Diesel 2003 S/120 B 20,5 kW (28 hp) at 3.200 rpm. Two cylinder, four stroke marine diesel engine with sail drive. Reduction ratio 2.2: 1. Single lever control of gear and rpm. Instruments comprise. Revolution counter and optic acoustic warning. Two-blade folding propeller
Engine and drive is rubber-suspended as one unit. The engine foundation is made in GRP and forms a spill tray under the engine.
The engine compartment is sound insulated for lowest possible sound level.
"Wet" exhaust line in rubber with Volvo special muffler.
Built in fuel tank 110 litres (32 US. gallon) with separate pump for draining of eventual water.


12 V electrical system with two 60 Ah batteries, one for starting and one separate circuit for lighting etc.
One 55 amp engine drive alternator charging the two separate circuits over a double diode set.
All wiring with adequate sectional areas. The cables are where possible protected in plastic pipes or hoses.
Central switchboard at the navigation desk with fuses and switches for the different circuits.
Fuel gauge. Voltmeter and 12 V outlet.
Two main switches at the accommodation ladder (One for engine and one for lights etc.).


First class workmanship in selected mahogany, hand rubbed and treated to a silk smooth finish.
The accommodation consists from forward:
Water and gastight stowage for liquid gas bottles, anchor chain below.
The space is accessible from deck and drained overboard.
Forward stateroom with two comfortable berths, 2.00 m (6'8') long. Filler between berths.
Below the berths stowage: Shelves at sides. A folding door separates forward stateroom from the toilet compartment.
The toilet compartment is fitted with a reliable marina pump toilet and a china wash basin with fresh water from foot pump. On SB-side is a good sized hanging locker and space for eventual heater. Teak floor over drained bilge. Headroom 1.80 m (5'11"). Door to main cabin.
The main cabin is built with fair sized sofa-berths P and SB. The SB side sofa is made as a L-sofa. Behind the swing up backrests is stowage for bedding. The sofas are 1.95 m (6'6") long. Bookshelves and locker over the sofas. Large table with fold down top panels. Stowage for bottles etc. in the centre of the table. The inside of the hull above berths is paneled with mahogany. The ceiling is lined with vinyl panels. Headroom in main cabin 1,85 m (6'1").
Aft in the main cabin is a L-shaped galley equipped with a 2-burner stove with oven in gimbals. Permanent tubing with shut of valve. Drained ice-box with a volume of 80 litres. The working surfaces on counter top in easily cleaned teak texture plastic laminate. Locker for china, drawers and a locker for a dustbin etc.
On the port side is a navigation table with chart locker and drawers. The electrical switch panel with voltmeter and meter for fuel is placed here for easy access. The cushions are all made of heavy 10 cm polyester foam. The upholstery in high quality furniture fabrics.
The floor boards are made of 20 mm mahogany covered by wall to wall carpets.
Curtains in all windows.


The cockpit is self draining but with low sill height for easy access to the accommodation. Seats and floor in cockpit are covered with teak. Length of cockpit app. 6'7".
Storages are accessible from cockpit.
Main sheet on low beam.
Stowage in coamings starboard and port.


Forward stateroom: opening skylight and one vent.
Toilet room: opening skylight.
Main cabin: one opening skylight, two Dorade vents and ventilating panel in the main hatchway.


Each hull is built according to Lloyd's specifications for "Certificate of hull construction " and under personal supervision of Lloyd's surveyor in the respects of hull, deck and superstructures in GRP, main bulkheads, engine foundations, chainplates, rudder with fittings and built in fuel and water tanks. Hull moulding release note and certificate are supplied.

Hallberg-Rassy 312 Standard

is equipped according to above specification.

Hallberg-Rassy 312 Scandinavia

has the following additional equipment fitted:
  • Heater
  • Third battery
  • Compressor unit for icebox
  • Sail cover
  • Windex
  • Fire extinguisher
  • Genoa 34 m² and Hardwind jib 18.5 m²

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