Re: New Corners

[Steve Wise <swise@aoot.com>]

Hey ed,

Did we just build them wrong or is the module specification document
wrong?

I'd rather just build new ones.


On Sun, 2006-03-19 at 13:39 -0800, Edward Weltens wrote:
> Scott, 
>  
> I think We should build new corners from scratch.  I will donate the
> lumber and may be able to build (at least start them) them next
> weekend.
>  
> If we modify the ones we have they will be heavier and probably not as
> strong.
>  
> Anyone else have ideas?
> 
> Scott A Smiley <sc.smiley@juno.com> wrote:
>         Yesterday Ed and I started on laying out the new track on to
>         the new
>         corner modules. Some interesting things came up.
>         
>         1. We discovered that the wood frame and size is not the same
>         as the
>         other new corners. Some things just happen.
>         2. The units are essentially 2.5" short on both ends. 5" on
>         one end may
>         be able to accomplish the same effect but they would not be
>         symmetrical.
>         3. The radii of the tracks would have to be shorter on all
>         tracks to fit
>         this shorter arc length available. The track in the D position
>         for track
>         4 would not be 72". Track 1 would be less than 96". With the D
>         position
>         at 72", the rest of the diameters would be 80.5", 89", and
>         97.5". We
>         only have the standard dia. of track to work with so compound
>         curves were
>         used on the previous new corners.
>         4. These modules as built will not nest with the others and be
>         a 3rd
>         size. This will create issues for transport in the trailer.
>         The tracks
>         can be damaged as we have seen with the old and new corners
>         now if not
>         precisely positioned and secured.
>         5. These corners will have to be placed across from each other
>         in set up
>         or the layout would not be square, and there would therefore
>         be some
>         points of intersection without a curve in the layout if they
>         were not
>         positioned correctly opposite each other.
>         6. The clearance between the tracks around the curves would be
>         less than
>         4.25" in order to achieve the largest radii for each track and
>         to use
>         standard curve sections. The track is laid out on one new
>         corner for all
>         to see.
>         
>         
>         Considering all of these factors, it is my recommendation that
>         we modify
>         the wood work of these new corners to extend each end by 2.5
>         ". This
>         would be done by removing some of the facials and a portion of
>         the deck
>         and extend with new facias and deck. This would keep the
>         center section
>         of each corner as is. The deck would be in 3 pieces as in the
>         other
>         corners but with the bracing already installed, this will not
>         be a
>         problem. The width of the unit will be slightly less than the
>         others but
>         upon inspection of the others you can see that the width can
>         be reduced
>         and still accommodate the track plan and outside dimensions.
>         As long as
>         the corners are not transported on this one side, they will
>         nest with the
>         others.
>         
>         This really is a matter for the board to decide but since it
>         has
>         operational concerns that would impact all, I decided to write
>         this to
>         the entire membership so the board could hear input from the
>         membership.
>         
>         Scott
>         ------
>         TTAT members reflector.
> 
> 
> 
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