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Reply to "New Layout New Headaches"

Somer isolation pins add a small bump, derailing from them is possible, but kinda rare IN MY EXPERIENCE. The bump is from a flange on the pin. The flange keeps the pin from being pushed into the rail 100% and creates enough gap to mostly prevent a connection by the rail web (upright support) or footing. Part varience or uneven joints( creating a small grade ) can lead to contact down there. I can't access pictures that aren't inserted into text. Look at your long straight rails on 1122s. If there is a sliced long thru rail and short stub rail at the exit, then you do not need iso-pins. That is the early design. (the deviation also has a sliced rail and stub rail. (The stubs are the same part# I think¿?) No slice, and you need one pin on each exits short rails. They are the two rails closest to each other. They merge to a V. (a turnout has an entrance & 2 exits, a thru & a deviation) The only reason I haven't worked to see exactly why my one 1122 has izsues with some loco's is it's on a ceiling layout, and I can't get up there anymore for more than few seconds to see it well. It is the later style. (Obviosly not what most folks/lionel experienced, but early ones work better for ME)

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