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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  ...

Castle Drawbridge - Castles


Learn about the purpose, design and origin of the Castle Drawbridge. ... a castle Castle Drawbridge; What was the purpose of the Castle Drawbridge and how did it help defenses? ... The Castle Drawbridge - A Modern Bascule Bridge ... The drawbridge works by counterbalance so that when one end is lowered the other is ...

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 ... I watched a bridge tender do this once at St. Augustine Florida!!!!!! This vid.

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 cross the bridge. These bridges ... Modern drawbridges usually serve two functions. ... How to Make a Working Cardboard Drawbridge.

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


Jul 4, 2004 ... "That's a boring modern bridge," Newell said of the span he designed. ... the Alameda company that did the work, had to prove it could do the ...

Hydraulic Draw Bridge | - Kid Makers


Unfortunately, this workshop won't teach you how to do that, but it will get you ... 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.

Drawbridge Home Design Ideas, Pictures, Remodel and Decor


This is the ultimate in secret forts; a treehouse complete with a retractable drawbridge. Does your child's room have a fun theme? Please tell us about it below.

What is a Drawbridge? (with picture) - wiseGEEK


Apr 29, 2016 ... ... let things pass under it. Most modern drawbridges... ... Watch the Did-You- Know slideshow ... It is also used for light and heavy railroad work.

Meet the family who operate the bridges of St. Petersburg - CNN.com


Nov 8, 2013 ... A multiple exposure photograph of a drawbridge in St. Petersburg. ... St. Petersburg, Russia (CNN) -- Every working night for the past 34 years, Sergey Matveev has watched ... "One can do it all by just touching the screen" Matveev said. ... St. Petersburg itself has morphed into a modern, cosmopolitan city.

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How Drawbridges Work | HowStuffWorks


A drawbridge is a bridge over a body of water that opens up to allow boats and ships to pass through. Watch this video from HowStuffWorks to learn how it works . ... are manufactured and tested on Discovery Channel's "How Do They Do It?".

Castle Drawbridge - Medieval Times | Medieval Life


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

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 ... Scherzer bridges did not require cofferdams and did not deteriorate from ...