Question for Joe G. on pin driving fluid: (was Oversize pins...)

[Farrell]

Why do folks use pin driving fluid, rosen, varnish, and whatever else? Do manufacturers use these things?

Terry Farrell
  
----- Original Message ----- 
From: "David Love" <davidlovepianos@earthlink.net>
To: <pianotech@ptg.org>
Sent: Wednesday, May 29, 2002 12:36 AM
Subject: Question for Joe G. on pin driving fluid: (was Oversize pins...)


> Joe:
> 
> Are you talking about doing this in a new block?  What is "synthetic
> reducer"?  Do you use a supply house driving fluid or just plain varnish as
> some do?  When you say "swab" the bushing and block, that implies a generous
> amount.  I though the general use of driving fluids was just a small amount
> around the rim of the tuning pin hole so that the act of driving the pin
> down carries the fluid with it.  Though I don't use driving fluids (I tend
> to swab the hole with a bit of violin bow rosin ground up fine in a coffee
> grinder), I've always been curious about how well they work and what the
> basic idea behind them is.  I just have this thing about putting any "stuff"
> into a new block.
> 
> David Love

SNIP