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x-posted to .technic, .modelteam and .announce.moc, FUT .technic, .modelteam
In lugnet.general, Randal Barger writes:
> After four years of lurking I going to finally post.
>
> You will find my Demag TC 2800 here:
>
> http://www.brickshelf.com/cgi-bin/gallery.cgi?f=27025
>
> It was assembled after construction several different cranes over the last
> 5-6 years. I think we are all originally inspired by Dennis Boseman's
> LG-1550. Jennifer Clark provided more inspiration although this model was
> completed prior to her AC-50.
>
> All the necessary information came from the information at the Demag website
> as well as many pictures available online here:http://www.demag24.com/en/
>
> General Features:
> Scale is approximately 1:16 - I only have that size wheel/tire.
> The model is 14 studs wide.
> The boom does not have diagonal bracing.
> The boom hoist and three winch drums are driven by new style motors.
> Motors are not used for wheel drive, steering or swing/slewing.
> The front axles are steered from the wheel on the drivers side of the cab.
> The rear axles are steered from a rear bumper mounted steering wheel. This
> allows "crab steering"
> The front two and rear two axles steer the "most". The remaining front
> three and rear are steered through a 8:24 to 16:16 reduction.
> Just like Dennis, the model is supported not only by the outriggers, but
> also by additional blocking.
>
> Most gratifing technical problems solved:
> The sturdy transition from straight to 45', allowing the outriggers
> traditional mounting and pinning to the slewing ring.
> The design of the boom tip and upper load block.
> The use of tiles to support the technic turntable. (actually use three or
> models ago)
>
> Things that need improvement:
> The LEGO hook block designs I have seen do not allow the load to turn
> without use of bolts or metal pins. I've tried many different things and
> just haven't found a saticfactory solution.
>
> Only modification:
> Yes I drilled the "cross" out of the 1x6 pulleys to allow rotation on an • axle.
>
> Only regret:
> Should have used smaller photo sizes for the upload to the Brickshelf. Sorry.
Nice crane, Randal!
I'm beginning to think DEMAG should use lugnet.technic for advertising material
8?)
ROSCO
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Message is in Reply To:
 | | Demag TC 2800 crane
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| After four years of lurking I going to finally post. You will find my Demag TC 2800 here: (URL) was assembled after construction several different cranes over the last 5-6 years. I think we are all originally inspired by Dennis Boseman's LG-1550. (...) (22 years ago, 22-Oct-02, to lugnet.general)
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