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It really looks terrific! It's definately a competitor of Ron Jansen:
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=38986
Ron hasn't built boom sections yet because of lack of time. It progresses
very slowly.
Is Chris' crane built on scale? What kind of information do you use (pics,
diagrams etc.)? I know it's hard to find scaled drawings of it.
And how do you build the crawler tracks? Ron used the three studs wide
technic chain links (two rows) and put some plates on it to make the tracks
wider and give it a massive look. His undercarriage is very, very heavy!!
(scale 1:24)
Soon I will start building a huge LEGO crane myself (Sennebogen 5500HDSL,
scale 1:13) but I will use other pieces for the crawler tracks. What I will
use? You will see!
http://www.brickshelf.com/gallery/Legotrucks/Projects/proj_5500hdsl_01.jpg
Indead the boom has to be very light but strong as you can read in some of
the replies. But it's very difficult to construct. Chris' design is too
heavy and the bracing is not quite correct, but as Chris wrote he will
change it. Beats design for his LR11200 is light, but is it strong? You'd
better can't lift a heavy load, but the crane is strong enough to raise to
boom. Thomas' design is good, but then you need a lot of technic lifarms
($$$$$$$$$).
I know a guy who's into cranes a well, but it's a very strange person. He
claimed building the strongest LEGO crane (as well as the boom as the
lifting capacity).
http://www.brickshelf.com/gallery/Legotrucks/GVR-2001/gvr2001-06.jpg
http://www.brickshelf.com/gallery/Legotrucks/GVR-2001/gvr2001-07.jpg
http://www.brickshelf.com/gallery/wandrer/legoworld2002/technic/crane.jpg
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=9595
OK, I have to admit, his design is strong but it's far toooooo heavy!! He
needed two hours to raise to boom I guess :-) And I don't like the color
sheme ...
Anyway, building cranes is fun. It's challanging, difficult, huge. There are
so many cranes. I know it's very interesting to build world's biggest, but I
stay with my 180 tons Sennebogen. Creating a fully operational crane I my
aim (self supporting from fully stripping to fully operational).
Well Chris, success with your crane and let us know how it progresses!
Dennis Bosman
In lugnet.technic, Thomas Avery writes:
> I was just surfin' through Brickshelf and came across Chris Davis' Demag
> CC12600 model:
>
> http://www.brickshelf.com/cgi-bin/gallery.cgi?f=38697
> (CAD rederings of CC12600)
>
> http://www.brickshelf.com/cgi-bin/gallery.cgi?f=38698
> (Actual construction- turntable and part of crawler base)
>
> Anyone else seen this? Looks like a monster!
>
> My only advice would be to change the boom construction, or provide more
> bracing. It will not be strong in the lateral direction, and will flop over
> sideways during a heavy lift. Something like this is good:
> http://www.texbrick.com/creations/msg50/truss.jpg
>
> -TJ
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Message has 1 Reply:
 | | Re: Demag cc12600 Crawler Crane
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| (...) For scaling: All the pictures I could find on the web, and the spec doc from Demag's website. The Demag doc has enough dimensions to make good 'estimates' I'm mostly on scale, but the scale varies slightly (approx 1:35, somethings up to 1:39) (...) (22 years ago, 1-Apr-03, to lugnet.technic, lugnet.modelteam)
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Message is in Reply To:
| | Demag cc12600 Crawler Crane
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| I was just surfin' through Brickshelf and came across Chris Davis' Demag CC12600 model: (URL) rederings of CC12600) (URL) construction- turntable and part of crawler base) Anyone else seen this? Looks like a monster! My only advice would be to (...) (22 years ago, 31-Mar-03, to lugnet.technic, lugnet.modelteam)
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