The Marlow Hunter 40
is a 40’ (12.19m) cruising sailboat designed by Glenn Henderson
(United States). She is built since 2013 by Marlow Hunter
(United States). The Shoal draft
version is offered with a short keel fitted with large winglets. This configuration provides an interesting draft / low center of gravity / upwind performance trade-off.
The Marlow Hunter 40
is as well listed, on Boat-Specs.com, in Deep draft
and Furling mainsail
version (see all the versions compared
Marlow Hunter 40's main features
Marlow Hunter 40
GRP (glass reinforced polyester):
Single skin bottom, sandwich sides and deck: balsa fiberglass polyester with Kevlar reinforcements
First built hull
Last built hull
Still in production
Keel : wing keel
Twin helm wheels
Single spade rudder
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
Standard public price ex. VAT (indicative only)
Marlow Hunter 40's main dimensions
41’ 2”12.57 m
13’ 2”4.01 m
5’ 2”1.57 m
Mast height from DWL
61’ 8”18.82 m
Light displacement (MLC)
19701 lb8936 kg
6027 lb2734 kg
Marlow Hunter 40's rig and sails
Upwind sail area
1006 ft²93.46 m²
Sloop Marconi (in-mast furling mainsail) fractional
Deck stepped mast
Number of levels of spreaders
1x19 strand wire
Marlow Hunter 40'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.
234 ft²/T21.7 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.
Marlow Hunter 40's auxiliary engine
1 inboard engine
Fuel tank capacity
49.9 gal189 liters
Marlow Hunter 40's accommodations and layout
Closing aft cockpit with opening system
4 / 6
Freshwater tank capacity
90.1 gal341 liters
Holding tank capacity
39.9 gal151 liters
5 gal19 liters
6’ 6”1.98 m
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