Spar (aeronautics)
Videos
In a fixed-wing aircraft, the spar is often the main structural member of the wing, running spanwise at right angles to the fuselage. The spar carries flight loads and the weight of the wings while on
Main spar of a de Havilland DH.60 Moth
Basic metal-sparred wing using a honeycomb 'D' box leading edge
Cantilever
Videos
A cantilever is a structural element that is firmly attached to a fixed structure at one end and is unsupported at the other end. Sometimes it projects from a vertical surface such as a wall. A cantil
Spar (aeronautics)
…loads transmitted may be different from those of a wing spar. The wing spar provides the majority of the weight support and dynamic load integrity of cantilever monoplanes, often coupled with the strength of the wing 'D' box itself. Together, these two structural components collectively provide the wing rigidity…
The Forth Bridge, a cantilever truss bridge
This concrete bridge temporarily functions as a set of two balanced cantilevers during construction – with further cantilevers jutting out to support formwork.
Howrah Bridge in India, a cantilever bridge
A cantilevered balcony of the Fallingwater house, by Frank Lloyd Wright