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challenged you’ll need to use the footstools to get high enough
to see them.
MRH:
What about getting from one deck to the other?
Rob:
I don't have a big enough room to use a reasonable grade to
get between the decks so I chose a helix. It's double tracked with
four laps and has an inner radius of 20" and a grade of about 2%.
and a number of high mountain marshes. Rob had to really
compress the S-curve to make it fit in his available space.
