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Sailboat specifications and datasheets

Nauticat 321 standard

The Nauticat 321, here in "standard" version, is a 32’10” monohull sailboat designed by Design Office Siltala. She was built by Nauticat Yachts (Finland) and made of monolithic fiberglass / polyester. The production started in 1999 .

The Nauticat 321 belongs to the Nauticat range. The Nauticat 321 is as well listed, on Boat-Specs.com, in version Shoal draft and Deep draft.

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Nauticat 321's   Main Features
Model Nauticat 321
Version Standard
Type of hull Monohull
Category Deck saloon motorsailer
Shipyard
Designer Design Office Siltala
Range Nauticat
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich fiberglass / polyester
First built hull 1999
Last built hull Still in production
Appendages Keel :
Fin with bulb
Helm 2 wheels
Rudder 1 semi-spade rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
198 000
(2017)
Nauticat 321's   Main dimensions
Hull length 32’ 10”
Waterline length 27’ 2”
Beam (width) 10’ 7”
Draft 5’ 5”
Mast height from DWL 45’ 4”
Light displacement 13669 lbs
Ballast weight 4409 lbs
Ballast type Lead
Nauticat 321's   Rig and sails
Upwind sail area 576 sq.ft
Downwind sail area 1101 sq.ft
Mainsail area 240 sq.ft
Genoa area 336 sq.ft
Jib area 203 sq.ft
Stormjib area 65 sq.ft
Symetric spinnaker area 861 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Number of levels of spreaders 2
Spreaders angle Swept-back
Nauticat 321'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.
15.85
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.
30.31
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.
307
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.
32 %
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.
6.99 knots
Nauticat 321's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 39 HP
Fuel type Diesel
Fuel tank capacity 66 gal
Nauticat 321's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 116.2 gal
Fridge/ice-box capacity 26.4 gal
Maximum headroom 6’ 2”
Nauticat 321's   Saloon
Maximum headroom 6’ 2”
Nauticat 321's   Fore cabin
Berth length 6’

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