 | | Re: 4 section boom
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| (...) Nope, those are cables for the various sensors that have to reach up to the boom tip. Modern cranes like the AC500 have the ability to extend each segment separately. They use a hydraulic ram inside and a series of locking devices. If you (...) (20 years ago, 17-Jan-05, to lugnet.technic)
| | | | | Re: 4 section boom
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| (...) This series of pictures shows an AC100 extending it's boom one section at a time: (5 URLs) ROSCO (20 years ago, 17-Jan-05, to lugnet.technic, FTX)
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