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I don't know what they're building with this crane, but it looks serious.There's one of these parked across the street from our place in Portland and four others elsewhere in the neighborhood. I'm in the research phase of a new project, but I wanted to do some modeling so this is the result. It's a perfect fit for your urban scenes.This tower crane is similar to the ones so often seen at construction sites and occasionally at container yards. The mast is 200 ft (60 m) tall. The prototype has a capacity of about 1000 ton-ft (300 tonne-m), which means that the amount it can lift decreases the farther the reach is out on the boom. These days a computer system takes care of making sure the operator doesn't exceed the load capacity.The model includes simple animation, of the boom only. It swings gradually through a 120 degree arc, pauses for a while, then returns, pauses and repeats. It's easy to make adjustments to this if you want to. You might also want to paint it a different color or change the banner to your favorite contractor.The download, which is now in the File Library, includes step-by-step instructions for installing it using the (shudder) Route Editor.Does anybody know how they set these cranes up?Rick Grout Bandon-by-the-Sea, OR
> Does anybody know how they set these cranes up?From what I've heard, they are assembled from modules flat on the ground, and then raised vertical when complete. I may be wrong, though.I will definitely add that one on the Dakota Eastern as I have a couple of buildings under construction, and I can't figure out a modern city without one poking up skyward.
>Does anybody know how they set these cranes up? Taking them down is actually much more challanging.Setting them up involves setting up enough sections of the tower and then adding the sections of the boom, all using another crane. Then as the building under construction grows, the top of the crane is jacked up and a new section of tower inserted.When it comes time to take down the tower crane, there is less room for the other crane to work (new building in the way) and the boom of the tower crane is now much further above the ground that it was when set up.David Beach.Palouse & LewistonRoute Building 1% Completed Route Mapping 10% Completed Route Photo Map 100% Completed (Now, Can I make the Railroad Profile match the photo map?)
Standardized \global\tsection.dat file now at build00017.
"Does anybody know how they set these cranes up?"Actually, I posed this as a quiz question. The answer, as some of you have correctly pointed out, is "with another, bigger crane."Here's a web page showing the whole process.http://www.ci.renton.wa.us/commserv/facility/feature3.htmThere's also a link at the bottom of the page to where they show how the crane is dismantled. I always figured they used dynamite! Rick G