General Boat Info
MakeDuckworth
MakeDuckworth
Model721
ModelSilverwing Inboard 20 ft
Model Year201
Model Year2007
Measurements / Dimensions
Beam - Meters2.59
Beam - Meters2.39
Beam - Inches102
Beam - Inches93.5
DeadriseBow Entry: 13°<br>Forward Entry: 11.5°<br>Transom: 10°
Deadrise14℃ at transom
Weight - Detail1,600 lbs
Weight - Detailnot available
Weight - kg725.75
Weight - kgnot available
Weight - lbs.16
Weight - lbs.not available
Width [transom] - Detail84 x 0.190 in. (with full length Delta Pad)
Width [transom] - Detail72 in
Height - DetailSides: 31 x 0.125 in
Height - Detail32 in
Height - Meters0
Height - Meters0.81
Height - Inches0.125
Height - Inches32
Length - Feet21
Length - Feet2
Length overall - Detail21 ft. 0 in
Length overall - Detail20 ft. 0 in
Length overall - Meters6.4
Length overall - Meters6.1
Length overall - Inches252
Length overall - Inches24
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typeModified Vee
Hull typeDeep vee
Hull thicknessnot available
Hull thickness0.125 in
Engine and Drivetrain
Fuel tank capacity - Detail42 gal
Fuel tank capacity - Detail62 gal
Fuel tank capacity - Liters158.99
Fuel tank capacity - Liters234.7
Fuel tank capacity - Gal42
Fuel tank capacity - Gal62
Drive typeOutboard
Drive typeInboard
Engine max200 hp
Engine maxnot available
Engine/s standardnot available
Engine/s standardGM 350 V-8