Subject:
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8wide crane (was Re: My modified 4552 crane)
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 19 Sep 2000 17:57:26 GMT
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Viewed:
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1134 times
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Larry Pieniazek wrote:
> EXCELLENT Start! I stumbled into it via recent gallery postings before I found
> your post...
thanks!
> The trucks need to be massive. So does the frame they sit on. Think 6 wheel
> and a fishbelly frame. The frame can be longer than your current version, I
> think. The trucks can be long enough to allow for some center articulation of
> the axle, especially if this is a self propelled crane (I dunno this
> particular Brown model very well).
I've been holding off on the trucks as much as i can, I've only recently
found pics of ones where the trucks are visible.
> As to the boom, the lift harness you have now is a keeper,anyway, although can
> you get more strands of cable onto it? These cranes sometimes had 8-16 strands
> in the lift sheave. Booms are hard because they have a funny geometry,
> thickening in the middle and narrowing at both ends, or narrowing just at one,
> and also have a weird profile when viewed from the top.
I plan of getting some more strands into it. I think the most I can
reasonably get into it is going to be 4-6 but that's what selective
compression is for. The two strands present currently was just a holder
to keep the boom from falling down. Most of my lego is still very
disorganized since my move and most of my play time is dedicated to
resorting right now.
> I think your approach using horizontal plates won't work as it hasn't much
> strength, you are almost certainly going to have to go SNOT, probably back to
> back or inside out.
Hmm... it feels pretty strong to me although granted i haven't tried
lifting anything heavy with it. Your comments gave me some ideas and I
will try them soon.
Thanks
-chris
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Message is in Reply To:
 | | Re: My modified 4552 crane
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| (...) your post... (...) The trucks need to be massive. So does the frame they sit on. Think 6 wheel and a fishbelly frame. The frame can be longer than your current version, I think. The trucks can be long enough to allow for some center (...) (24 years ago, 19-Sep-00, to lugnet.trains)
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