<!doctype html public "-//W3C//DTD W3 HTML//EN"> <html><head><style type="text/css"></style><title>[CAUT] Checking</title></head><body> <div>><font face="Arial" size="-4" color="#000000">there are a few good principles: smoothly curved profile of the tail, no<br> >?bump?; there is a limit to how high the check can be relative to the shank<br> >at rest, and this varies a bit with tail length; angle of check needs to be</font></div> <div><font face="Arial" size="-4" color="#000000">>within fairly tight parameters,</font></div> <div><font face="Arial" size="-4" color="#000000"><br></font></div> <div><font face="Arial" size="-4" color="#000000">I generally use a 3" arc on the tails. Due to the degree of coving, anything</font></div> <div><font face="Arial" size="-4" color="#000000">shorter</font> leaves too thin of a tail section. I order hammers un-coved and find the</div> <div>coving process unnecessary. It removes such a minute amount of weight which has a</div> <div>negligible effect on touch weight (certainly not worth the effort). I also ease the 'square'</div> <div>end with a rough file and fine-file the tapered edges to remove 'hairs'.</div> <div><br></div> <div>Tail length 1 1/16", shorter lengths brings the check closer and the tops of the back</div> <div>checks can hit the shoulders of the hammers.  I order hammers with a molding 1/8" longer than my longest bore. I then sand all tails to even length after hanging.  Why have varying tail lengths as a</div> <div>result of a tapered bore?</div> <div><br></div> <div>Back check height, I have not gone wrong with setting the height to even-with or 2 mm</div> <div>below the tail at drop position.</div> <div><br></div> <div>Angle, 72 degrees from key stick. That's the leather face, not the wood rear profile.</div> <div><br></div> <div>That's my recipe for success.</div> <x-sigsep><pre>-- </pre></x-sigsep> <div><br> Regards,<br> <br> Jon Page</div> </body> </html>