Detailed sailboat specifications and datasheets since 2015
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Jeanneau 51 (Standard)

Main featuresJeanneau 51 Standard
Model
Jeanneau 51
Version
Standard
Hull type
Monohull
Category
Offshore cruising sailboat
Sailboat builder
Jeanneau
Sailboat designer
Sailboat range
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich fiberglass polyester
First built hull
2016
Last built hull
Still in production
Appendages
Keel : L-shaped keel (with bulb)
Helm
Twin helm wheels
Rudder
Single spade rudder
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)
348360 2020
 
Main dimensionsJeanneau 51 Standard
Overall length
50’ 6”15.38 m
Hull length
49’ 1”14.98 m
Waterline length
45’ 10”13.95 m
Beam (width)
15’ 5”4.7 m
Draft
7’ 6”2.28 m
Mast height from DWL
72’21.95 m
Light displacement (MLC)
31747 lb14400 kg
Ballast weight
9480 lb4300 kg
Ballast type
Cast iron
 
Rig and sailsJeanneau 51 Standard
Upwind sail area
1279 ft²118.8 m²
Downwind sail area
1753 ft²162.9 m²
Mainsail area
677 ft²62.9 m²
Genoa area
602 ft²55.9 m²
Jib area
448 ft²41.6 m²
Code 0 area
1076 ft²100 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
63’19.2 m
J
 iFore triangle base (from mast foot to bottom of forestay)
19’ 6”5.93 m
P
 iMainsail hoist measurement (from tack to head)
58’ 8”17.9 m
E
 iMainsail foot measurement (from tack to clew)
19’ 8”6 m
Rigging type
Sloop Marconi 9/10
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire discontinuous
 
PerformancesJeanneau 51 Standard
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.
216 ft²/T20.07 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.
296 ft²/T27.52 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.
150
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.
30 %
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.
9.07 knots
 
Auxiliary engineJeanneau 51 Standard
Engine(s)
1 inboard engine
Engine(s) power (min./max.)
80 HP / 110 HP
Fuel type
Diesel
Fuel tank capacity
63.4 gal240 liters
 
Accommodations and layoutJeanneau 51 Standard
Cockpit
Open aft cockpit
Cabin(s) (min./max.)
2 / 3
Berth(s) (min./max.)
4 / 8
Head(s) (min./max.)
2 / 3
Freshwater tank capacity
169.1 gal640 liters
Holding tank capacity
44.9 gal170 liters
Fridge/ice-box capacity
34.3 gal130 liters
Boiler capacity
10.6 gal40 liters
 
Fore cabinJeanneau 51 Standard
Berth length
6’ 8”2.05 m
Berth width
5’ 2”1.6 m
 
Aft cabinJeanneau 51 Standard
Berth length
6’ 7”2.02 m
Berth width
5’ 5”1.64 m
 
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