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Sailboat specifications and datasheets

Hallberg-Rassy 312 MkI

The Hallberg-Rassy 312 MkI is a 30’11” monohull sailboat designed by Christoph Rassy and Olle Enderlein. She was built by Hallberg-Rassy (Sweden) and made of monolithic fiberglass / polyester. This sailboat was produced between 1979 and 1986 with 485 hulls completed.
Hallberg-Rassy 312 MkI Hallberg-Rassy 312 MkI sailplanHallberg-Rassy 312 MkI layoutHallberg-Rassy 312 MkI sailingHallberg-Rassy 312 MkI sailingHallberg-Rassy 312 MkI sailingHallberg-Rassy 312 MkI accommodationsHallberg-Rassy 312 MkI accommodationsHallberg-Rassy 312 MkI accommodationsHallberg-Rassy 312 MkI accommodations
Hallberg-Rassy 312 MkI's   Main Features
Model Hallberg-Rassy 312 MkI
Type of hull Monohull
Category Cruising sailboat
Shipyard
Designer Christoph Rassy
Olle Enderlein
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich fiberglass / polyester
First built hull 1979
Last built hull 1986
Number of hulls built 485
Appendages Keel :
Fin without bulb
Helm 1 tiller
Rudder 1 rudder on skeg
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
Standard public price ex. VAT (indicative only) N/A
Hallberg-Rassy 312 MkI's   Main dimensions
Hull length 30’ 11”
Beam (width) 10’ 1”
Draft 5’ 4”
Mast height from DWL 45’
Light displacement 10803 lbs
Ballast type Cast iron
Hallberg-Rassy 312 MkI's   Rig and sails
Upwind sail area 603 sq.ft
Mainsail area 237 sq.ft
Genoa area 366 sq.ft
Solent area 280 sq.ft
Jib area 199 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire continuous
Number of levels of spreaders 1
Spreaders angle Swept-back
Hallberg-Rassy 312 MkI's   Performances
Upwind sail area to displacementiThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.
The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. Upwind : under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 23 it indicates a fast sailboat.
19.41
Hallberg-Rassy 312 MkI's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 28 HP
Fuel type Diesel
Fuel tank capacity 29.1 gal
Hallberg-Rassy 312 MkI's   Accommodation
Cabin(s) 1
Berth(s) (min/max) 4 / 5
Head(s) 1
Fresh water tank capacity 31.7 gal
Fridge/ice-box capacity 21.1 gal
Maximum headroom 6’
Head headroom 5’ 10”
Hallberg-Rassy 312 MkI's   Saloon
Berth length 6’ 5”
Hallberg-Rassy 312 MkI's   Fore cabin
Berth length 6’ 7”

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