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Tower Cranes
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Posted
Mar 8, 2008, 4:34 AM
harryc
Registered User
Join Date: Jun 2007
Location: Oak Park, Il
Posts: 14,989
353 N Clark - Chicago
Operational
preparing the Trolley - the hook block is temporarily attached by a big pin
Cabling up the trolleys and hooks.
Mobile crane leaving - telescoped down
Extension leaves
Lunch with a view
Hard to get good signal
One hook/trolley this gives a 2/1 reduction.
both hooks and trolleys in series gives a 4/1 reduction
looking big
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