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[DPRG] Contest Course

Subject: [DPRG] Contest Course
From: David P. Anderson dpa at io.isem.smu.edu
Date: Tue Aug 15 19:07:20 CDT 2000

Hi

Ed writes:

> 
> >                 |   |
> >                 |   |
> >                 |   |
> >                 |   |            +---------
> >   strapping     +-|-+            /
> >   tape hinge -->  |             /+---------        _____
> >                 +-|-+        +-/-+              +-/-+ +-\-+
> >                 |   |        |   |              |   | |   |
> >                 |   |        |   |              |   | |   |
> >                 |   |        |   |              |   | |   |
> >                 |   |        |   |              |   | |   |
> >
> >
> >                straight    90 degrees         flat (180 degrees)
> >
> >
> > Any ideas?
> >
> > If we can come up with some similar hinge arrangement for the foam board
> > walls, and some kind of stiffener or support for the long wall sections,
> > instead of the metal angle brackets and 2x4s all the way around, the
> > rigidity of the course could be much improved, and the setup time greatly
> > reduced.
> 
> 
> This reminds me of the kid's toy that ripples pieces of wood downwards
> repeatedly.

I've seen these, with a sort of cloth hinge woven thru the dominos or 
whatever they are.

> It has straps going through the gaps that go from one side to the opposite
> side of the adjoining piece.  YOu can have then straight butted, or at 90 or
> 180 degrees apart.
> We could do this quickly with two pieces of overlapped sticky-to-sticky duct
> tape.  With a 1/2" or more overlap and the overlap in the gap, each piece of
> tape attaches to its wall.  Every other tape joiner goes through the gap the
> opposite way.
> 
> Ed Koffeman

By using double sided sticky tape?  like this?



                   |     |
                   |     |
                   |     |
                 | |     | |
                 | |     | |
                 | |     | |
                 | +-----+ |
                  \       /
                   \     /
                    \   /
                     \ /
                      X
                     / \
                    /   \
                   /     \
                  /       \
                 | +-----+ |
                 | |     | |
                 | |     | |
                 | |     | |
                   |     |
                   |     |
                   |     |
                   |     |


dpa



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