Air hammers for Pin torque

[Diane Hofstetter]

Around the time I started stringing with an air hammer, I mentioned it at a 
PTG meeting.  After the meeting, Laroy Edwards came over and told me that at 
the Yamaha factory they had discovered they got better and more consistent 
pin torque with an air hammer.
Diane

>From: "Paul" <tunenbww@clear.lakes.com>
>Reply-To: pianotech@ptg.org
>To: <pianotech@ptg.org>
>Subject: Re: Pin torque - project
>Date: Fri, 20 Oct 2000 17:40:22 -0500
>
>Terry
>Thanks for your reply. Interesting!
>I use the same pin block material from Schaaf or sometimes from Pianotek. I
>now use a #F drill (.257") and get the torque that suits me. By the time I
>drive the pins, chip to pitch and tune (usually 8 passes) they feel pretty
>good. I should torque them to see exactly what they'd read, but they feel a
>lot like the new pianos I tune for dealers. I'm tempted from time to time 
>to
>try other blocks, but stick with this combination.
>
>Paul Chick
>(oops! I deleted your post)
>

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