Detailed sailboat specifications and datasheets since 2015
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Hallberg-Rassy 312 MkI

Sailboat specifications

The Hallberg-Rassy 312 MkI is a 30’11” (9.42m) cruising sailboat designed by Christoph Rassy (Germany) and Olle Enderlein (Sweden). She was built between 1979 and 1986 by Hallberg-Rassy (Sweden) with 485 hulls completed.

Hallberg-Rassy 312 MkI's main features

Model
Hallberg-Rassy 312 MkI
Hull type
Monohull
Category
Cruising sailboat
Sailboat builder
Sailboat designer
Country
Sweden
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich fiberglass polyester
Number of hulls built
485
First built hull
1979
Last built hull
1986
Appendages
Keel : fin without bulb
Helm
Single tiller
Rudder
Single rudder on skeg
Unsinkable
No
Trailerable
No
Standard public price ex. VAT (indicative only)
N/A €

Hallberg-Rassy 312 MkI's main dimensions

Hull length
30’ 11”9.42 m
Beam (width)
10’ 1”3.08 m
Draft
5’ 4”1.62 m
Mast height from DWL
45’13.73 m
Light displacement (MLC)
10803 lb4900 kg
Ballast type
Steel incapsulated in deep GRP bilge

Hallberg-Rassy 312 MkI's rig and sails

Upwind sail area
603 ft²56 m²
Mainsail area
237 ft²22 m²
Genoa area
366 ft²34 m²
Solent area
280 ft²26 m²
Jib area
199 ft²18.5 m²
Rigging type
Sloop Marconi masthead
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
1
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire continuous

Hallberg-Rassy 312 MkI's performances

Upwind sail area to displacement
 iThe 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 25 it indicates a fast sailboat.
209 ft²/T19.41 m²/T

Hallberg-Rassy 312 MkI's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
28 HP
Fuel type
Diesel
Fuel tank capacity
29.1 gal110 liters

Hallberg-Rassy 312 MkI's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s)
1
Berth(s) (min./max.)
4 / 5
Head(s)
1
Freshwater tank capacity
31.7 gal120 liters
Fridge/ice-box capacity
21.1 gal80 liters
Maximum headroom
6’1.83 m
Head headroom
5’ 10”1.78 m

Hallberg-Rassy 312 MkI's saloon

Berth length
6’ 5”1.95 m

Hallberg-Rassy 312 MkI's fore cabin

Berth length
6’ 7”2 m
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