The Hunter 25.5
is a 25’7” (7.8m) cruising sailboat designed by Cortland Steck Yacht Designs
(). She was built between 1984 and 1987 by Marlow Hunter
(United States). The Shoal draft
version features a shorter keel to grant access to shallow areas.
The Hunter 25.5
is as well listed, on Boat-Specs.com, in Deep draft
version (see all the versions compared
Hunter 25.5's main features
Hull and deck: GRP (glass reinforced polyester)
First built hull
Last built hull
Keel : fin without bulb
Single transom hung rudder
Standard public price ex. VAT (indicative only)
Hunter 25.5's main dimensions
25’ 7”7.8 m
22’ 1”6.73 m
9’ 1”2.77 m
3’ 2”0.99 m
Mast height from DWL
34’ 4”10.44 m
Light displacement (MLC)
4500 lb2041 kg
1799 lb816 kg
Hunter 25.5's rig and sails
Upwind sail area
283 ft²26.25 m²
I iFore triangle height (from mast foot to fore stay top attachment)
J iFore triangle base (from mast foot to bottom of forestay)
P iMainsail hoist measurement (from tack to head)
26’ 5”8.05 m
E iMainsail foot measurement (from tack to clew)
Sloop Marconi masthead
Deck stepped mast
Number of levels of spreaders
1x19 strand wire continuous
Hunter 25.5'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.
176 ft²/T16.31 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.
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.
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.
Hunter 25.5's auxiliary engine
1 inboard engine
Hunter 25.5's accommodations and layout
Closed aft cockpit
4 / 7
Freshwater tank capacity
34.9 gal132 liters
6’ 6”1.98 m
Hunter 25.5's saloon
5’ 6”1.68 m
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