Skip to main content

Reply to "spiral-curve-spiral"

I am not talking about a helix.  I think conductor Earl knows, it is like real railroads use a spiral from the tangent to the curve then a spiral from the curve to the tangent.

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

×
×
×
×
×