John, I use the rail bender pictured above Was able to purchase several to sell locally. It works for bending straight track or making curved track straight. Great tool. Norm the designer was a fabricator of aircraft quality who made G scale RR bridges and other items which were a cut above.
After the radius is set I can form a curved piece of Atlas, Old Pullman 2 rail or MTH 3 rail Scale Track flex in about one minute's time. I have done traction layouts with 12" MTH Scale Track curves easily. `
Norm went into the hospital for a common procedure and passed... His family was devastated. We had a couple of deals in the works but that never came to pass. One of the most pleasant persons I have ever met.
As for the powered bender, I should have been more specific. About 10 years ago or so a machine shop owner was offering a electric powered (3) THREE RAIL flex track bender here on OGR. It was terrific, I should have grabbed one at that point.