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I can't see from your photos how you're stopping the main structure lifting off the base. Correct me if I'm wrong, but crane turntables hold the superstructure down so the load moment is transferred to the crawler base. I've seen photos of cranes (...) (16 years ago, 21-Feb-08, to lugnet.technic)
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(...) This is correct. Real cranes have roller bearings that are pinned in place that bear the weight and force of the superstructure where it is connected to the base. (...) I am going to use a threaded axle through the center to hold the plates (...) (16 years ago, 21-Feb-08, to lugnet.technic)
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(...) Mine has that. (16 years ago, 21-Feb-08, to lugnet.technic)
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(...) Yes, that is correct. (...) See also (URL) technique> - this allowed me to lift the whole crane base up by the superstructure. ROSCO (16 years ago, 21-Feb-08, to lugnet.technic, FTX)
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(...) Great crane Rosco, shame their's no accompanying text. Steve (16 years ago, 21-Feb-08, to lugnet.technic, FTX)
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(...) Thanks, read about it (URL) here>. ROSCO (16 years ago, 21-Feb-08, to lugnet.technic, FTX)
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(...) It worked pretty well for me on this one: (URL) all of these: (URL) have had no problems with the two parts coming apart....If you can tell by this pic, the red and white one is holding up a 8421 almost 8 feet away from the center of (...) (16 years ago, 22-Feb-08, to lugnet.technic)
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(...) That's a lot of cranes. Are they all yours? (...) I know I'd like to know. Steve (16 years ago, 22-Feb-08, to lugnet.technic)
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(...) <snip> (...) Oh. My. Goodness!!! That would hurt if it fell on you! Once again the LEGO builders--in whatever theme--never cease to astound me! Nicely done! Dave K (16 years ago, 22-Feb-08, to lugnet.technic)
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(...) Yeah, Steve, those are all mine...That was at BF 06' They are all still together with the exception of the truck mounted one. The superstructure and boom is still together, but I tore apart the "truck" part of it to rebuild in the near (...) (16 years ago, 22-Feb-08, to lugnet.technic)
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(...) Wish I did. :-) Steve (16 years ago, 22-Feb-08, to lugnet.technic)
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Impressive supply of Technic beams you have there :-) The completed model is going to be a monster. Nice job. (...) I've been checking out the design of the dual CC8800, and it appears to not really require that the turntable resists overturning (...) (16 years ago, 12-Jun-08, to lugnet.technic)
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(...) Yeah, check out my brickshelf folder....I still have all the cranes there with the exception of the 18000...So I have a good bit of beams :D (...) Yeah, I have seen the 2250's do the same thing. One thing that I have noticed about the (...) (16 years ago, 13-Jun-08, to lugnet.technic)
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