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Reply to "Grade on train layout"

rrman posted:

Interesting as I never considered grades, in light of running my magna traction engines up and down those Lionel elevated piers with ease.  Anyone know approximate grade?

When I first saw this topic title, I was gonna reply (ala Christmas Story Miss Shields):
A+A+A+A+A+A+A+

Sorry long Iowa winter nights....

The #110 sets are 22 pieces, yes? The A piece is 4 3/4". 11 to get there, one at each track joint. A straight run of O would be 11 x 10" or 110".

Rise/run x 100% = 4.75/110 = .043 x 100% = 4.3% 

Curves are longer in length than a straight, (O31 is ~ 11.14"), therefore a curved approach to a shorter straight run would reduce it slightly. Larger diameter curves even more.

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