Detailed sailboat specifications and datasheets since 2015
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Elan S4 Shoal draft

Sailboat specifications

The Elan S4 is a 34’10” (10.6m) racer-cruiser sailboat designed by Humphreys Yacht Design (United Kingdom). She was built between 2016 and 2019 by Elan Yachts (Slovenia). The Shoal draft version features a shorter keel to grant access to shallow areas.

The Elan S4 is as well listed, on Boat-Specs.com, in Standard and Deep draft version (see all the versions compared).

Elan S4's main features

Model
Elan S4
Version
Shoal draft
Hull type
Monohull
Category
Racer-cruiser sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
Slovenia
Construction
Hull and deck: GRP (glass reinforced polyester)
First built hull
2016
Last built hull
2019
Appendages
Keel : T-shaped keel (with bulb)
Helm
Twin helm wheels
Rudder
Twin spade rudders
Unsinkable
No
Trailerable
No
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
A
Standard public price ex. VAT (indicative only)
About 
164 000
 (2019)

Elan S4's main dimensions

Overall length
34’ 10”10.6 m
Hull length
34’ 10”10.6 m
Waterline length
33’ 1”10.1 m
Beam (width)
11’ 6”3.5 m
Draft
5’ 7”1.7 m
Mast height from DWL
57’ 10”17.61 m
Light displacement (MLC)
12181 lb5525 kg
Ballast weight
3439 lb1560 kg

Elan S4's rig and sails

Upwind sail area
706 ft²65.59 m²
Downwind sail area
1571 ft²145.91 m²
Mainsail area
387 ft²35.91 m²
Jib area
319 ft²29.68 m²
Asymmetric spinnaker area
1184 ft²110 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
45’ 2”13.77 m
J
 iFore triangle base (from mast foot to bottom of forestay)
13’ 2”4.03 m
P
 iMainsail hoist measurement (from tack to head)
44’ 4”13.49 m
E
 iMainsail foot measurement (from tack to clew)
15’ 2”4.63 m
Rigging type
Sloop Marconi 9/10
Mast configuration
Keel stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
Swept-back
Spars construction
Aluminum spars (carbon fiber spars as an option)
Standing rigging
Dyform

Elan S4'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.
226 ft²/T20.99 m²/T
Downwind 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.
503 ft²/T46.69 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.
152
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.
28 %
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.
7.71 knots

Elan S4's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
30 HP
Fuel type
Diesel
Fuel tank capacity
19.8 gal75 liters

Elan S4's accommodations and layout

Cockpit
Open aft cockpit
Cabin(s) (min./max.)
2 / 3
Berth(s) (min./max.)
4 / 8
Head(s)
1
Freshwater tank capacity
48.9 gal185 liters
Have you spotted incorrect data?  You can report it in the forum or contact the webmaster

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