<HTML> In a message dated 10/20/03 10:45:39 AM, Erwinspiano@aol.com writes: <BLOCKQUOTE CITE STYLE="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; = MARGIN-RIGHT: 0px; PADDING-LEFT: 5px" TYPE="CITE">You're asking the har= d technical questions. My engineer friend say that when his friends get pick= y with details the comment is "hey your not building a piano ya know" I take= that as a compliment. In this case we are but fortunately board thinning = isn't a mystery. It however helps to have an organized approach to thinn= ing. If you ask 5 belly guys how they do it you'll get five different answer= s. </BLOCKQUOTE> Dale, and I do hope you took my comment as the compliment it was intended. I am al= most overwhelmed by the degree of detail people on the list have to offer. S= ince the last post I have acquired a depth mike and I intend to cut one of t= he spindles down to almost nothing to see if this will penetrate the board w= ithout scarring. I much prefer to work to .005 plus or minus, as long as it = doesn't cost a ton of time. In the tool trade the common wisdom holds workin= g to the next decimal over takes ten times the effort, and you learn to pick= your battles. Glenn C.</HTML>