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 ...
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
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 ...
The Drawbridge in later medieval times tilted up as it ... Modern drawbridges are
called “Bascule ...
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.
Modern drawbridges across rivers, canals, the entrances of docks, etc., are
generally made to open vertically, and the movable portion is called a bascule, ...
They are now very rare, but were once commonly used to allow river traffic to
pass at crossings that were too wide for a drawbridge. The Umpqua River Bridge
Aug 6, 2013 ... [fototag id=”Drawbridge”]. Classical, medieval drawbridges worked via the simple
principle of counterweight, with large wood and metal bridges ...
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 ...
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.