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Subject: 
Re: 60 degree problem
Newsgroups: 
lugnet.build
Date: 
Wed, 13 Jan 1999 18:14:22 GMT
Viewed: 
2375 times
  
James Brown writes:
> James Brown writes:
> > I've got a design problem that I'm having a hard time working around - • normally
> > I'd just drop the design, but this one has such great possibilities I'd hate • to
> > have to do that.
> > 
> > I'm building an articulated 3-claw foot, based off of 1x4/2x2 hinge plates as • a
> > center-point, arranged so:
> > 
> >    ||
> >   //\\
> 
> Ok, it's fairly obvious I wasn't clear enough (I can't even figure out what I
> meant <grin>) so here is a second attempt.  The part I am using as the major
> component of my foot design is the (aucZILLA designation)1x4/2x2 corner- • connect
> plate hinges.  Using 1, 2, and 3 to represent stud locations from the three
> hinge-plates, I will attempt a clearer ASCII drawing.  'x' represents the
> equilateral triangle formed by the three sides - hence the original title of • my
> post.  The '/' are there because LUGnet tried to interpret this as a .dat file
> without them.
> 
> 
> /  1 3     3 2
> /   1 3   3 2
> /       x
> /      1 2
> /      1 2
> 
> Essentially, a perfect 120 "y".
> That still doesn't quite get the angles right, but I think it gets the point
> across.  I have connected the hinges together with 2x2 plates over each of the
> three 'sides' so there is no freedom of motion in the hinges (alternating • these
> layers makes for a very solid structure), and am trying to figure out a way to
> anchor a single larger plate to all three orientations.
> 
> My original question still stands - does anyone have a solution for me?

Have you tried a Technic 3 blade rotor?  It's not *quite* what you are trying
to build, but I think it should be workable.

Duane



Message has 1 Reply:
  Re: 60 degree problem
 
(...) A 3 blade rotor will give the same angle geometry but I don't beleive it is what James is asking. I believe he is asking how to anchor something to the top of this assembly that is connected to all three legs. Geometrically, there is no (...) (28 years ago, 13-Jan-99, to lugnet.build)

Message is in Reply To:
  Re: 60 degree problem
 
(...) normally (...) to (...) a (...) Ok, it's fairly obvious I wasn't clear enough (I can't even figure out what I meant <grin>) so here is a second attempt. The part I am using as the major component of my foot design is the (aucZILLA (...) (28 years ago, 13-Jan-99, to lugnet.build)

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