OK, if the steepest grade for real railways is 30:1 then in dublo land a 3" rise would need a 90" riser.
this can be difficult on a small layout so what have you done? How steep can your dublo go?
reply to dublo@iinet.net.au
Re the gradient issue you may not remember seeing the one on my layout but it is very gradual - about 1 in 60.
Martin I
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