 | | Re: Liebherr LR-1750 Completion Photos —Nathan Bell
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| | | (...) 30 lbs! I did not realize it took that much weight to balance the boom, but I guess that makes sense. 40 hrs is not much time at all for a design that big. Is it possible to build a crane that tall without grounded support in the rear? I mean (...) (19 years ago, 1-Nov-05, to lugnet.technic)
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| | | | | Re: Liebherr LR-1750 Completion Photos —Ross Crawford
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| | | | | (...) Dunno about Alvins, but my CC-2800 only needs the extra ballast while raising the boom. Once it's up, the extra ballast can be disconnected, and just rely on the counterweight attached to the superstructure. Of course I have to be careful not (...) (19 years ago, 1-Nov-05, to lugnet.technic)
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| | | | | Re: Liebherr LR-1750 Completion Photos —Alvin Brant
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| | | | (...) As far as the "grounded support" that you are referring to, on the real crane it is called the "suspended ballast" On the real LR-1750, the guys for it are attached to hydraulic cylinders which can raise and lower the ballast. Therefore it can (...) (19 years ago, 10-Nov-05, to lugnet.technic)
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