"Swingman" wrote in message
...


Still doesn't explain why, in the OP's original query, one cut on the TS
will be square/perpendicular, and the next not?

YEAH! LOL and does not hold up when cuting a miter.

If the stock that he is using is truely square it has to boil down to
technique. I am betting the resulting taper is no longer square to the
sides.