"Australopithecus scobis" wrote in message
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bevel angle consistent with edge retention. The effect of a back bevel on
a bevel-up blade might affect the edge's strength, so the OP planed for
longer periods with a truly sharp blade.

Ah, thanks for that insight. I'm going to go do a back bevel on one of my
planes. I need to exercise my new Lee Valley honing jig. :-)

Bob