Acceptable grades
#25
1" in 12" is your 8.33%. What kills you here is the transition -- you can't put an pure angle in of that type and I think a transition of 12" (6" in the grade bit and 6" in the flat) is a bit sharp.
I feel that it would make your grade look lumpy and awkward and in engineering awkward looking things often don't work right.
David
Moderato ma non troppo
Perth & Exeter Railway Company
Esquesing & Chinguacousy Radial Railway
In model railroading, there are between six and two hundred ways of performing a given task.
Most modellers can get two of them to work.
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