Shaft Straightening

[PhilosopherKing]

Is this a real thing?

 

[Kim Bye]

Usually it's a temporary success. Wood likes to revert back to it's natural grain structure.

 

[GBCues]

Usually it's a temporary success. Wood likes to revert back to it's natural grain structure.

Ditto I have straightened a few but they mostly reverted back. Also, warpage can be seasonal, so some shafts that warp in the winter have been known to go back straight in warmer weather.
My 2 cents