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Sailboat specifications and datasheets

Elan 310 deep draft

The Elan 310, here in "deep draft" version, is a 30’4” monohull sailboat designed by Rob Humphreys. She was built by Elan Yachts (Slovenia) and made of GRP (glass reinforced polyester). The production started in 2009 .

The Elan 310 is as well listed, on Boat-Specs.com, in version Standard.

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Elan 310's   Main Features
Model Elan 310
Version Deep draft
Type of hull Monohull
Category Cruiser-racer sailboat
Shipyard
Designer Rob Humphreys
Construction GRP (glass reinforced polyester)
First built hull 2009
Last built hull Discontinued
Appendages Keel :
Fin with bulb
Helm 1 tiller
Rudder 2 spade rudders
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) N/A
Elan 310's   Main dimensions
Length overall 31’ 4”
Hull length 30’ 4”
Waterline length 28’ 7”
Beam (width) 10’ 7”
Draft 7’ 1”
Light displacement 6063 lbs
Ballast weight 1984 lbs
Elan 310's   Rig and sails
Upwind sail area 577 sq.ft
Downwind sail area 1132 sq.ft
Mainsail area 325 sq.ft
Genoa area 253 sq.ft
Asymetric spinnaker area 807 sq.ft
Gennaker area 807 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 40’ 2”
JiFore triangle base (from mast foot to bottom of forestay) 11’ 8”
PiMainsail hoist measurement (from tack to head) 39’ 6”
EiMainsail foot measurement (from tack to clew) 13’ 6”
Elan 310'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.
27.32
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.
53.57
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.
118
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.
33 %
Righting moment @ 30°iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
12296 lbs.ft
Maximum righting momentiThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
17359 lbs.ft @ 75.00 °
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.
7.16 knots
Elan 310's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 18 HP
Fuel type Diesel
Fuel tank capacity 11.9 gal
Elan 310's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 37 gal
Maximum headroom 6’

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