Welcome to the forum. Your engine should work fine on Lionel 027 tubular track - in fact, this track was so inexpensive that I ended up using it for my entire layout. The only thing I would check with your engine is the 027 switches (or turnouts) you would think about using, to make sure your engine can clear them. Enjoy your refurbishing. BTW, i just saw a spool of thin copper that would work for your project at my local Ace hardware store/
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