Good morning!
I am doing some armchair layout construction. I will need a 4%
grade for this proposal. I am worried about going from 0% grade to 4%
grade without a transition. I looked at the NMRA website and they do
not discuss grades (nor transitions). I did a web search and did not
find anything about grade transition. (I did find Woodland Scenic's
foam grades and wondered if these have transitions.)
How long is the transition section from flat to 4% and how much rise
does it yield? 2%? 3%?
Is there a formula?
Many thanks in advance for this information,
Thorin
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