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Subject: 
Re: Building a realistic working road grader from Technic LEGO parts.
Newsgroups: 
lugnet.technic
Date: 
Thu, 6 Dec 2007 17:43:11 GMT
Viewed: 
11975 times
  
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

I did a large technic road grader in 2006, and although the steering works, it
does not work exactly like the real thing. I tried to modify it to make the
blade rotate further, but it did not work and the design in the pictures is
finished.

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=148840

Below are links to other great technic road grader designs.

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=149690

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=7980

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=235621

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=101542



Message has 2 Replies:
  Re: Building a realistic working road grader from Technic LEGO parts.
 
(...) Clarification: the blade design in the pictures works but my modification did not work- therefore the overall blade range remains about 45 degrees. (17 years ago, 6-Dec-07, to lugnet.technic)
  Re: Building a realistic working road grader from Technic LEGO parts.
 
"Nathan Bell" <Radarbell@hotmail.com> wrote in message news:Jsn2Jz.7nD@lugnet.com... (...) Another two pneumatic cylinders, and I think you would've had the steering like a real grader does. I've seen few other models with that degree of steering (...) (17 years ago, 7-Dec-07, to lugnet.technic)

Message is in Reply To:
  Building a realistic working road grader from Technic LEGO parts.
 
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 (...) (17 years ago, 1-Dec-07, to lugnet.technic)

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