There will be two return loops (inner & outer) to allow for passing manoeuvres to occur during ops sessions.
Once this was completed I begun working on the return loops benchwork and its positioning under the layout.
The return loops will be formed like a single helix loop to save on building an entire section of benchwork.
The outer loop will be a 29"R and the inner loop will be a 27"R, the inner and outer loops about 13' (4 metres) each in length.
Jas...
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