Re: align the tensioner's axle
Like Joe said; there's no need to cut and weld the bracket. It can be twisted easily in a bench vice and big Crescent wrench. The other thing to keep in mind is securing the bracket to the frame so it can not loosen and rotate into the spokes. Many before you have learned the hard way that no matter how tight you wrench on the tensioner bolts it can still work loose and cause you big, expensive and sometimes dangerous problems.
Read the threads on tensioner brackets. There's lots of good ideas and information about them here. Use Google search, key word, 'tensioner'
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"