[pianotech] FW: Tuning hammer heads

Tom Driscoll tomtuner at verizon.net
Thu Sep 9 06:06:56 MDT 2010


Brian,
 Thank you for your kind words. 
I've used a 15 °  short head for many years. This was a suggestion in class made by Jim Coleman Sr. and the late George Defebaugh.
In fact Jim Coleman Jr offers a 20 °  head on his site.
(See the description below)


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 20 DEGREE TUNING HEAD 
Using a short tip with the 20 degree head allows for most control, less torquing of the tuning pin, and still good clearance of struts. It will fit most tips and levers. 
$21 each 

  http://www.colemantools.com/www.colemantools.com/index.shtml

  Without the 15 ° angle on the short head the lever will not clear many plate struts.  In fact my last lever was shipped with the Coleman 20 ° head at the buyers request.
  The default on my levers is the Schaff 15 ° head because it is well made and shorter than the Watanabe 15 ° version with the Watanabe tips as they are superior to the Schaff  in my opinion.
  I've tuned quite a few pianos with the Coleman head but my lever has such a narrow profile that the 15° head is more than sufficient for strut clearance.
  I chose to use a standard hex shaft on my levers to provide the flexibility of using whatever head-tip combination you prefer
  I hope this helps and I will ship to Australia !
  http://tomdriscollpianoservice.com/tools.html

  Best wishes,
   Tom Driscoll


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From: wilsonpiano at hotmail.com
To: piantech at ptg.org
Subject: Tuning hammer heads
Date: Thu, 9 Sep 2010 15:13:54 +1000

Hi All
I have been thinking about tuning hammer heads since Tom Driscoll's post last week. btw nice work Tom!
I looked at the link and found the default head was a 15 degree. There was a testomonial stating the user now prefers the 15 degree over the older way of using the 5 degree.
Please enlighten me. Why do these new hammers have a default head of 15 degrees? eg Faulk, Fujan and now Driscoll. Most of these first two come with a 15 and yes I know you can order the 5.
I know that it is best to be as close to the tuning pins as possible and the hammer must move in a circle, etc and no bending of the pins etc ! but I am intrigued why . Do you have higher plates ? Convienient ? Just the way you do it?
I did try a 15 on a schaff tuning hammer. It seemed so strange, and I felt like I was going to bend the pin
I too, have been using 5 and 10 degree heads over the years. My first tool kit was purchased through Kawai and the tuning hammer was a 5 degree Itoshin. I remember seeing these tuning hammers in the Hamamatsu factory. Since wearing that tool out, I bought a Watanabe and that is 10 degrees. That tool took a while to get used to, as 10 degrees to me seems large. Reminds of running up a 10 degree hill... ouch
Thoughts please ?
btw haven't posted anything for a while... when you have nothing to say, say nothing..
Regards
Brian
 
Brian Wilson
Brisbane, Australia



 
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