Reply to "Front truck jumping switch"

RJROGR Forum Member

Precisely measure the gauge of the switch, and compare the gauge at the frog with that a few inches away on on a track section. I had one Gargraves 100 (out of several dozen with no problem) that narrowed very slightly at that point, and the single axle leading truck on a steamer was slightly wide, forcing the wheel flange to go the wrong way at the frog. Track was about 2-3 mm narrower at that point/. Moved the outer curved rail slightly to widen the gauge.

11/30/1510:17 PM

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