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J122e Shoal draft is a Offshore racer-cruiser sailboat built by J/Boats and designed by Rod Johnstone. Her first hull was built in 2006 and a Keel stepped mast mast configuration.

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J122E SHOAL DRAFT Sailboat Specifications​


Builder(s)J Boats Tillotson Pearson
Designer(s)Rod Johnstone
BrandJ Boats
VersionShoal draft
categoryOffshore racer-cruiser sailboat
CountryUnited States
Hull TypeMonohull
First Hull Built2006
Last Hull BuiltStill in production
AppendagesKeel fin with bulb
HelmSingle helm wheel
RudderSingle spade rudder
CockpitOpen aft cockpit
Ballast TypeCast iron fin with lead bulb
Rigging TypeSloop Marconi fractional
Mast LayoutKeel stepped mast
Freshwater Tank Capacity lt/gal160 L / 42.3 gal
Ballast Ratio0.41


Hull Length12.19 m / 40 ft
Waterline Length (LWL)10.55 m / 34.7 ft
Beam (width)3.63 m / 11.11 ft
Draft1.92 m / 6.4 ft
Light Displacement (MLC) 6990 kg / 15410 lb
Ballast Weight2880 kg / 6349 lb


Critical Hull Speed7.88 knots
Displacement-Length Ratio (DLR)169
Ballast Ratio0.41
Upwind Sail Area to Displacement24.62 m²/T / 265 ft²/T
Downwind Sail Area to Displacement54.71 m²/T / 589 ft²/T

Above Deck

Mast LayoutKeel stepped mast
Rotating SparsNo
Number of Levels of Spreaders2
Spreaders AngleSwept-back
Spars ConstructionCarbon fiber mast and aluminum boom
Standing RiggingSingle-strand (ROD)
Upwind Sail Area90 m² / 969 ft²
Downwind Sail Area200 m² / 2153 ft²
Mainsail Area50 m² / 538 ft²
Genoa Area40 m² / 431 ft²
I54.5 ft * 16.59 m
J15.2 ft * 4.63 m
P51.4 ft * 15.65 m
E17.7 ft * 5.36 m

Engine Room

Engine(s)1 inboard engine
Fuel typeDiesel
Fuel Tank Capacity100 L / 26.4 gal

Below Deck

Maximum Headroom6.2 ft * 1.9 m
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