Skip to main content

Reply to "Polar express Spiral mountain track layout design"

More info on track diameter:

SpiralPolar-1b

One can see how the diameters were carefully chose to nest within each other.   This also shows how one could add O72 and another turn around the mountain following the same pattern.

Attachments

Images (1)
  • SpiralPolar-1b
Last edited by Ken-Oscale

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

×
×
×
×
×