The Ruling Grade.

“The ruling grade may be defined as the maximum gradient over which a tonnage train can be hauled with one locomotive. Momentum grades, pusher grades, or those that must regularly be doubled by tonnage trains may be heavier.”

About mirrenaudax

Slightly greying, bequiffed and enterprising visual artist from Up North.
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2 Responses to The Ruling Grade.

  1. Nordaca says:

    I’m really interested in these, and have even tried some of them myself. Keep up the AMAZING work!

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