I think the OP was looking for a rough guestimate with which to set his
expectations. I believe that IS and answerable question.

If you would post your experience, it would be another data point and more
useful than what you chose to post.

"George" wrote in message
...
Meaningless answers to an unanswerable question. They last until they're
too dull to plane the kind of wood you have to plane at the moment. Might
do the next variety well, but that's a horse of a different color.