The fun begins when you are trying to fit pre-made turnouts into the scheme
when you can't build your own anymore. The resulting kinks at the joints,
well. . .
Dave Engle
----- Original Message -----
From: Richard Karnes
To: S-Scale
Sent: Friday, November 09, 2012 5:09 PM
Subject: {S-Scale List} Re: Spiral Easements
Well, a correction to my "final word" is in order:
I said "spike the first six inches along the end of the straight centerline
in three places, so that one edge of the rail base is against the centerline."
This is incorrect. You should place the center of your spline at the
approximate location where the tangent ends and the curve begins. Then spike
the spline to the straight section some distance AWAY from this location, then
ditto for the curved section.
You will discover that the tighter the radius, the greater the length of the
easement. The key is to find the spiral that requires the least manual force to
maintain without the spline flopping around.
Dick Karnes
