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Sailboat specifications and datasheets

Marlow Hunter 50 deep draft

The Marlow Hunter 50, here in "deep draft" version, is a 47’10” monohull sailboat designed by Hunter Design. She was built by Marlow Hunter (United States) and made of monolithic bottom, sandwich sides and deck: balsa / fiberglass / polyester with Kevlar reinforcements. The production started in 2011 .

The Marlow Hunter 50 is as well listed, on Boat-Specs.com, in version Shoal draft, Furling mainsail and Tall rig.

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Marlow Hunter 50's   Main Features
Model Marlow Hunter 50
Version Deep draft
Type of hull Monohull
Category Offshore cruising sailboat
Shipyard
Designer Hunter Design
Construction Hull and deck:
monolithic bottom, sandwich sides and deck: balsa / fiberglass / polyester with Kevlar reinforcements
First built hull 2011
Last built hull Still in production
Appendages Keel :
Fin without bulb
Helm 2 wheels
Rudder 1 spade rudder
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) N/A
Marlow Hunter 50's   Main dimensions
Length overall 49’ 11”
Hull length 47’ 10”
Waterline length 43’ 10”
Beam (width) 14’ 8”
Draft 7’
Mast height from DWL 64’ 4”
Light displacement 29405 lbs
Ballast weight 9094 lbs
Ballast type Cast iron
Marlow Hunter 50's   Rig and sails
Upwind sail area 1238 sq.ft
Rigging type Sloop Marconi (in-mast furling mainsail) fractional
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle Swept-back (Bergström)
IiFore triangle height (from mast foot to fore stay attachment) 54’ 7”
JiFore triangle base (from mast foot to bottom of forestay) 16’ 6”
PiMainsail hoist measurement (from tack to head) 51’ 7”
EiMainsail foot measurement (from tack to clew) 21’ 10”
Marlow Hunter 50'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.
20.45
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.
158
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.
31 %
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.
8.87 knots
Marlow Hunter 50's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 75 HP / 110 HP
Fuel type Diesel
Fuel tank capacity 150 gal
Marlow Hunter 50's   Accommodation
Cabin(s) (min/max) 3 / 4
Berth(s) (min/max) 6 / 10
Head(s) (min/max) 2 / 3
Fresh water tank capacity 200 gal
Water heater capacity 11.1 gal
Holding tank capacity 52 gal
Maximum headroom 6’ 10”

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