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Drawbridge - Wikipedia


A drawbridge or draw-bridge is a type of movable bridge typically associated with the entrance ... In France, working drawbridges survive at a number of châteaux, including the Château du ...

How draw bridge is made - material, history, used, structure, History ...


The type of movable bridge that most people think of as a draw bridge is similar to ... The modern era of movable bridge construction began in the mid-nineteenth .... Additional locks can secure the leaves in their open position so wind does not  ...

Types of Drawbridges | eHow


A drawbridge is a form of bridge that can be moved, lifted or otherwise taken out of the way so no one can ... Modern drawbridges usually serve two functions.

www.ask.com/youtube?q=How Does a Modern Drawbridge Work&v=4bWMpB2yf7w
Mar 9, 2007 ... We've all been stuck in traffic waiting for a drawbridge. Have you ever stopped to wonder what it takes to move a bridge? Learn more in this ...

Hydraulic Draw Bridge | - Kid Makers


A draw bridge (or the technical term: bascule bridge) is a moveable bridge. ... today is the old ones used gear mechanisms, and modern ones use hydraulics.

What Is A Drawbridge Like Today? - Chest of Books


Modern drawbridges across rivers, canals, the entrances of docks, etc., are generally made to open vertically, and the movable portion is called a bascule, ...

How drawbridges worked | All About History


Aug 6, 2013 ... [fototag id=”Drawbridge”]. Classical, medieval drawbridges worked via the simple principle of counterweight, with large wood and metal bridges ...

Opening (Swing, Bascule & Lift) | Types | Bridge Building | Bridges of ...


In some of the modern day bridges the centre shaft lifts the bridge clear of the pier ... downwards inside the structure and does not become submerged in water.

Castle Learning Center Portcullis - Castles of Britain


One of the last stages saw it incorporated into the drawbridge. ... Not many actual portcullis survive in modern times because of the material used in their ...

Amsterdam's Bridges - Matte Gray


The very modern Jan Schaefferbrug from Java Eiland in the IJ to Amsterdam. .... Brug, which i obstinately refused to photograph because every other tourist does so. ... And a very modern drawbridge, the Latjgesbrug, also near the Waterlooplein ... piece, illustrating how all these interconnected parts work with one another.

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Castle Drawbridge - Castles Index


Learn about the purpose, design and origin of the Castle Drawbridge. ... The Castle Drawbridge - A Modern Bascule Bridge ... The drawbridge works by counterbalance so that when one end is lowered the other is raised - so that when one ...

Castle Drawbridge - Medieval Times | Medieval Life


The Drawbridge in later medieval times tilted up as it ... Modern drawbridges are called “Bascule Bridges” and ...

KINGS OF SWING / Delta's utilitarian drawbridges slow down ...


Jul 4, 2004 ... "To me, it's neat that some of these old bridges just work as well as ... "That's a boring modern bridge," Newell said of the span he designed.