Subject:
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Re: Building a realistic working road grader from Technic LEGO parts.
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Newsgroups:
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lugnet.technic
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Date:
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Sun, 2 Dec 2007 04:19:39 GMT
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Viewed:
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14691 times
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In lugnet.technic, Geoffrey Hyde wrote:
> I've been looking at how to do a properly done, realistic road grader for
> some time now, from Technic LEGO, and I've become stuck trying to properly
> emulate a realistic design for the front steering.
>
> As anyone who's seen a road grader knows, they have a true three-dimensional
> seering system.
>
> It can lean to one side or the other, turn, and handle driving over drilled
> runs with ease. Larger graders, especially, are articulated using
> hydraulics at the cab-blade beam joint, making really tight 360 turns
> possible.
>
> As I understand it, in order to properly build the front end I need to use
> some sort of universal joint assembly for the steering on the front wheels.
> Does anyone have an idea how to do this in Technic?
>
> Has anyone attempted a road grader in Technic? The few models I can recall
> LEGO themselves doing didn't address the steering aspects needed.
>
>
> Cheers ...
>
> Geoffrey Hyde
Have you thought about using pneumatics for the front end? Are you planning on a
newer style machine? Old motor graders had linkage and drive shafts to run
everything. Modern machines are all hydraulic and use hydrostatic front wheel
drive. I work on Deere graders from time to time. I could get pictures of
anything you would like.
Here's a link that might help
http://www.deere.com/en_US/cfd/construction/deere_const/motorgraders/deere_motorgrader_selection.html
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