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Sailboat specifications and datasheets

Nauticat 42 sloop

The Nauticat 42, here in "sloop" version, is a 42’8” monohull sailboat designed by Kaj Gustaffson. She was built by Nauticat Yachts (Finland) and made of monolithic fiberglass / polyester. The production started in 1995 with about 200 hulls completed.

The Nauticat 42 belongs to the Nauticat range.

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Nauticat 42's   Main Features
Model Nauticat 42
Version Sloop
Type of hull Monohull
Category Offshore deck saloon motorsailer
Shipyard
Designer Kaj Gustaffson
Range Nauticat
Construction Hull and deck:
monolithic fiberglass / polyester
First built hull 1995
Last built hull Still in production
Number of hulls built About 200
Appendages Keel :
Fin with bulb
Helm 2 wheels
Rudder 1 semi-spade rudder
Cockpit Raised aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
446 000
(2017)
Nauticat 42's   Main dimensions
Hull length 42’ 8”
Waterline length 34’
Beam (width) 13’ 1”
Draft 6’ 5”
Mast height from DWL 65’ 7”
Fore freeboard 5’ 5”
Mid-ship freeboard 4’ 8”
Light displacement 35274 lbs
Ballast weight 10141 lbs
Ballast type Lead
French customs tonnage 23.40 Tx
Nauticat 42's   Rig and sails
Upwind sail area 1049 sq.ft
Downwind sail area 1835 sq.ft
Mainsail area 425 sq.ft
Genoa area 624 sq.ft
Jib area 347 sq.ft
Stormjib area 115 sq.ft
Asymetric spinnaker area 1410 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle 0 °
Nauticat 42'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.
15.36
Downwind 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.
26.85
Displacement-Length ratio (DLR)iThe Displacement Length ratio is a figure that points out the boat's weight compared to its waterline length. 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.
409
Ballast ratioiThe Ballast ratio is an indicator of the stability; it is obtained by dividing the boat's displacement by the weight of the ballast. Since the stability depends also of the hull shape and the position of the center of gravity, only boats with similar ballast arrangements and hull shape should be considered.
Higher the ballast ratio is, greater is the stability.
29 %
Hull speediAs 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
Nauticat 42's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 110 HP
Fuel type Diesel
Fuel tank capacity 184.9 gal
Nauticat 42's   Accommodation
Cabin(s) (min/max) 2 / 3
Berth(s) (min/max) 5 / 7
Head(s) (min/max) 4 / 9
Fresh water tank capacity 184.9 gal
Holding tank capacity 23.8 gal
Fridge/ice-box capacity 26.4 gal
Nauticat 42's   Saloon
Maximum headroom 6’ 4”
Nauticat 42's   Fore cabin
Maximum headroom 6’ 2”
Nauticat 42's   Aft cabin
Maximum headroom 6’ 4”

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