Should I use a Wye or Switch

This bridge I'm building to connect my double helix, it's the only place that I could have a siding.  I have about 7 inches in width to work with.  My local LHS doesn't have any wye's in stock for me to measure.  I'm thinking that a switch would be to wide.

 

Is there a wye made for Lionel tube track,   I've searched the bay but don't see any available.

 

Thanks for any suggestions.

 

Doug

Hlx Bridge 2

Hlx Bridge 1

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Paul,

I have construction pictures in my Blog in the J&C Studios Archive.  Just click on "My Blog"  in my last post above,  then go to "Double Helix Construction pictures.  I'm using 054 tube track for the down side and 0 60 Fast track for the up loops.

 

Hope you enjoy the pictures,

 

Doug

Boomer

 

That looks like a place where traditional tinplate switches like an O-54 or O-72 are not good choices.  They take up too much width and create abrupt S curves.

 

It does look like a good place for a Ross #4 tinplate switch.  Numbered switches are only curved between the points and the frog and have a straight angle on the departing route from the frog on.  That allows for closer parallel tracks and provides a straight segment between reverse curves.

Originally Posted by Ted Hikel:

Boomer

 

That looks like a place where traditional tinplate switches like an O-54 or O-72 are not good choices.  They take up too much width and create abrupt S curves.

 

It does look like a good place for a Ross #4 tinplate switch ... allows for closer parallel tracks and provides a straight segment between reverse curves.

Those Ross tinplate switches definitely look better from a geometric standpoint for closer parallel tracks, although they are spendy at $120 each. I once cut down an O22 switch (O31 curve) to make closer parallel tracks. I might do the same with an O72 switch someday. A standard O72 switch and curve gives 5.5" spacing for parallel track.
 

IMG_3125

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