Israelite House of David - Laying Track on a Level Grade
Colonists took care in laying track on a level grade. Cuts and embankments were used to assure that the early under powered locomotives didn't have to climb grades. All curves were properly banked to allow the trains to negotiate them without losing speed. The 15" inch wide track used was about the largest gauge used for grand gauge park railways. The next smaller common gauge is 12". On a 12" gauge railway passengers can only sit one abreast because the narrower track made sitting two abreast too top heavy and prone to capsize and derailment on the curves. By using the 15" gauge format the colony doubled the passenger capacity for a train of a given length. The 15" was necessary to move the large volume of park visitors.
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