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Hi Gang, I know this question has been asked here before , however I couldnt find it to retreave the answers.
I am building double track Truss type bridge and was wondering what the average clearance is between the 2 inside rails?
would 2 inches be enough?
I am building double track Truss type bridge and was wondering what the average clearance is between the 2 inside rails?
would 2 inches be enough?