Another ATSF Admirer

Helix Mockup

A mockup of the helix space to check space usage and clearances. Supports are about the right height and have the toe at the right point. Real supports will be a fraction deeper. Staging deck and main deck are at the right height. Things of note: The green tape measure is about where the second points of the yard ladder will be. The F-Clamp above the tape measure is about where the loop of helix over the yard ladder will be

Helix Mockup
Another ATSF Admirer, Jan 8, 2008