physically getting hammers on shanks

[A440A at aol.com]

Greetings, 
 I wrotes: 

    >>Don't forget to make a hole all the way through the hammer core so that 
the

    glue can squeeze through. Otherwise, you have pressure to fight.<<
 
JD writes:

<< I've never heard of or seen anyone do that.  The normal way to provide an 
escape for the glue is to score a line down the top of the shank for 15mm or 
so, but even that is not necessary if the knurling provides an escape route. >>

     The "normal" way I have always seen is to have a pinhole through the 
hammer core, directly above the boring, so that when fitting the hammer over wet 
glue, there is an escape vent for the air trapped by the hammer fit. 

Regards,  
Ed Foote RPT 
http://www.uk-piano.org/edfoote/index.html
www.uk-piano.org/edfoote/well_tempered_piano.html