In article , "Toller" wrote:

Could the blade be getting dull after 160' of 5" thick fresh walnut, or is
there another possibility I am over looking. Thanks.

Perhaps you hit a foreign object (nail, stone, etc) embedded in the wood. Have
you checked the teeth to make sure they're equally sharp on both sides?

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Regards,
Doug Miller (alphageek at milmac dot com)

It's time to throw all their damned tea in the harbor again.