Sense 50 Deep draft
Sailboat specifications
The
Sense 50 is a 49’1” (14.98m) cruising sailboat designed by
Berret Racoupeau Yachts Design (France). She was built between 2010 and 2016 by
Bénéteau (France). The
Deep draft version offers a deeper L-shaped keel bringing extra performance especially upwind.
The
Sense 50 is as well listed, on Boat-Specs.com, in
Shoal draft version (
see all the versions compared).
Sense 50's main features
Model
Sense 50
Version
Deep draft
Hull type
Monohull
Category
Cruising sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
Number of hulls built
About 70
First built hull
2010
Last built hull
2016
Appendages
Keel : L-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 < 0,5mA
Standard public price ex. VAT (indicative only)
Sense 50's main dimensions
Overall length
50’ 1”15.27 m
Hull length
49’ 1”14.98 m
Waterline length
46’ 1”14.05 m
Beam (width)
15’ 11”4.86 m
Draft
7’ 2”2.2 m
Mast height from DWL
74’ 2”22.62 m
Light displacement (MLC)
33720 lb15295 kg
Ballast weight
8741 lb3965 kg
Ballast type
Cast iron
Sense 50's rig and sails
Upwind sail area
1324 ft²123 m²
Downwind sail area
2669 ft²248 m²
Mainsail area
678 ft²63 m²
Genoa area
646 ft²60 m²
Asymmetric spinnaker area
1991 ft²185 m²
I
iFore triangle height (from mast foot to fore stay top attachment)65’ 7”20 m
J
iFore triangle base (from mast foot to bottom of forestay)20’ 2”6.15 m
P
iMainsail hoist measurement (from tack to head)62’18.9 m
E
iMainsail foot measurement (from tack to clew)19’ 6”5.95 m
Rigging type
Sloop Marconi masthead
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
Sense 50'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.215 ft²/T19.96 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.433 ft²/T40.25 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.156
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.26 %
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 1.34.9.10 knots
Sense 50's auxiliary engine
Engine(s)
1 inboard engine
Engine(s) power
75 HP
Fuel type
Diesel
Fuel tank capacity
109.6 gal415 liters
Sense 50's accommodations and layout
Cockpit
Open aft cockpit
Cabin(s) (min./max.)
2 / 4
Berth(s) (min./max.)
4 / 9
Head(s)
2
Freshwater tank capacity
150.6 gal570 liters
Holding tank capacity
21.1 gal80 liters
Fridge/ice-box capacity
79.3 gal300 liters
Boiler capacity
10.6 gal40 liters
Maximum headroom
6’ 8”2.05 m
Galley headroom
6’ 6”1.98 m
Head headroom
6’ 6”1.99 m
Sense 50's saloon
Maximum headroom
6’ 6”1.98 m
Sense 50's fore cabin
Maximum headroom
6’ 2”1.9 m
Berth length
6’ 7”2 m
Berth width (head/feet)
5’ 2”1.57 m / 3’ 4”1.02 m
Sense 50's aft cabin
Maximum headroom
6’ 6”1.98 m
Berth length
6’ 7”2 m
Berth width (head/feet)
4’ 8”1.43 m / 3’ 5”1.05 m
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2010
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