Boat-Specs.com

Sailboat specifications and datasheets

Elan S4 standard

The Elan S4, here in "standard" version, is a 34’10” monohull sailboat designed by Rob Humphreys. She was built by Elan Yachts (Slovenia) and made of fiberglass / polyester (composite infusion). The production started in 2016 .

The Elan S4 belongs to the S Series range. The Elan S4 is as well listed, on Boat-Specs.com, in version Deep draft and Shoal draft.

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Elan S4's   Main Features
Model Elan S4
Version Standard
Type of hull Monohull
Category Racer-cruiser sailboat
Shipyard
Designer Rob Humphreys
Range S Series
Construction Hull and deck:
fiberglass / polyester (composite infusion)
First built hull 2016
Last built hull Still in production
Appendages Keel :
T-shaped keel (with bulb)
Helm 2 wheels
Rudder 2 spade rudders
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
164 000
(2017)
Elan S4's   Main dimensions
Length overall 34’ 10”
Hull length 34’ 10”
Waterline length 33’ 1”
Beam (width) 11’ 6”
Draft 7’ 1”
Mast height from DWL 57’ 10”
Light displacement 11795 lbs
Ballast weight 3053 lbs
Elan S4's   Rig and sails
Upwind sail area 706 sq.ft
Downwind sail area 1571 sq.ft
Mainsail area 387 sq.ft
Jib area 319 sq.ft
Asymetric spinnaker area 1184 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum (carbon fiber as an option)
Standing rigging Dyform
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 45’ 2”
JiFore triangle base (from mast foot to bottom of forestay) 13’ 2”
PiMainsail hoist measurement (from tack to head) 44’ 4”
EiMainsail foot measurement (from tack to clew) 15’ 2”
Elan S4'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.
21.44
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.
47.70
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.
147
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.
26 %
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.
7.71 knots
Elan S4's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 30 HP
Fuel type Diesel
Fuel tank capacity 19.8 gal
Elan S4's   Accommodation
Cabin(s) (min/max) 2 / 3
Berth(s) (min/max) 4 / 8
Head(s) 1
Fresh water tank capacity 48.9 gal

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