Thread: Tower Cranes
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Old Posted Mar 8, 2008, 4:34 AM
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harryc harryc is offline
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Join Date: Jun 2007
Location: Oak Park, Il
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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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