| Main features | Hallberg-Rassy 42F MkI Shoal draft |
Model | Hallberg-Rassy 42F MkI |
Version | Shoal draft |
Hull type | Monohull |
Category | Offshore cruising sailboat |
Sailboat builder | Hallberg-Rassy |
Sailboat designer | |
Country | Sweden |
Construction | GRP (glass reinforced polyester): Single skin bottom, sandwich sides and deck: Divinicell fiberglass polyester |
Number of hulls built | 53 |
First built hull | 1991 |
Last built hull | 2001 |
Appendages | Keel : L-shaped keel (with bulb) |
Helm | Single helm wheel |
Rudder | Single spade rudder |
Unsinkable | No |
Trailerable | No |
EC design category iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)A: Wind < force 9, Waves < 10m B: Wind < force 8, Waves < 8m C: Wind < force 6, Waves < 4m D: Wind < force 4, Waves < 0,5m | A |
| Main dimensions | Hallberg-Rassy 42F MkI Shoal draft |
Hull length | 43’ 5”13.22 m |
Waterline length | 34’10.35 m |
Beam (width) | 13’3.95 m |
Draft | 5’ 7”1.7 m |
Light displacement (MLC) | 27558 lb12500 kg |
Ballast weight | 10362 lb4700 kg |
Ballast type | Lead on deep GRP bilge |
| Rig and sails | Hallberg-Rassy 42F MkI Shoal draft |
Upwind sail area | 1087 ft²101 m² |
Rigging type | Sloop Marconi masthead |
Mast configuration | Deck stepped mast |
Rotating spars | No |
Number of levels of spreaders | 2 |
Spreaders angle | No spreader |
Spars construction | Aluminum spars |
Standing rigging | 1x19 strand wire |
| Performances | Hallberg-Rassy 42F MkI Shoal draft |
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. | 202 ft²/T18.75 m²/T |
Displacement-length ratio (DLR) iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet).The DLR can be used to compare the relative mass of different sailboats no matter what their length: a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat. | 319 |
Ballast ratio iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.The higher the ballast ratio is, the greater is the stability. | 38 % |
Righting moment @ 30° iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after heeling. Its value corresponds to the torque needed to heel the boat for this angle.Higher the righting moment is for an angle, greater is the stability. | 43398 lb.ft6000 kg.m |
Maximum righting moment iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after heeling. Its value corresponds to the torque needed to heel the boat for this angle.Higher the righting moment is for an angle, greater is the stability. | 62927 lb.ft8700 kg.m @ 65.00 ° |
Critical hull speed iAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed".The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34. | 7.81 knots |
| Auxiliary engine | Hallberg-Rassy 42F MkI Shoal draft |
Engine(s) | 1 inboard engine |
Engine(s) power | 74 HP |
Fuel type | Diesel |
Fuel tank capacity | 111 gal420 liters |
| Accommodations and layout | Hallberg-Rassy 42F MkI Shoal draft |
Cockpit | Center cockpit |
Freshwater tank capacity | 181 gal685 liters |
Boiler capacity | 10.6 gal40 liters |
Maximum headroom | 6’ 7”2 m |
Galley headroom | 6’ 4”1.92 m |
| Fore cabin | Hallberg-Rassy 42F MkI Shoal draft |
Maximum headroom | 6’ 6”1.98 m |
| Aft cabin | Hallberg-Rassy 42F MkI Shoal draft |
Maximum headroom | 6’ 4”1.91 m |
Berth length | 6’ 7”2 m |
Berth width | 3’ 11”1.2 m |