Flange Depth Code 70 Track

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October 4, 2023

Samuel has an HO question:

“Does anybody know the greatest loco flange depth that can run on code 70 track?”

Reply under COMMENTS below if you can help Samuel.

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One Response to Flange Depth Code 70 Track

Dale says:

October 4, 2023 at 4:35 pm

AS usual, the NMRA Standards are the source for information. It says that, for HO, the recommended flange depth should be 0.047 inches (1.19 mm). That said, the maximum isn’t really possible to say for certain. Different track manufacturers might have different depth flange-ways on their turnouts or crossings. A loco might be fine on Atlas track and have issues with Peco (or vice versa). I’m not sure there is a defined maximum flange depth measurement standard.

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