WD-50

[Newton Hunt]

Sorry, somewhere along the way I lost my ability to count.
		Newton

John Ross wrote:
> 
> Hi Newton,
> Your subject heading really had me interested.   I thought it was a new product.
> 
> Regards,
> John M. Ross
> 
> Newton Hunt wrote:
> 
> > WD-40 is a petroleum product composed of surfactants, solvents and 1/3
> > light machine oil.  It can be used as you describe and may well help
> > the situation butt would prefer a very little amount of "Liquid
> > Wrench" applied with an artists brush to limit the area of
> > application.
> >
> > The problem with WD-40 is that it most often comes as a spray can.  I
> > have a gallon of the stuff in an unpressurized can that I prefer to
> > apply with a syringe.
> >
> > Applying anything that cannot be removed should be done knowledgeable,
> > discretely and sparingly.
> >
> >                 Newton
> >
> > fwilliam@collegeclub.com wrote:
> > >
> > > List,
> > >      I have a question about WD 40 spray.  I recently tuned an 1885
> > > upright that had suffered from string breakage and 20 years of non-tuning.
> > > In accordance with the manuel, I taped a thick paper over the pins and
> > > carefully sprayed WD 40 onto the pressure bar and upper bridge.  No
> > > strings broke as I tuned this piano.  This worked well, but I'm very
> > > cautions about WD 40 and pianos.  Am I right in my concern?  Should I do
> > > this more regularly on 80+ year old pianos to reduce the risk of string
> > > breakage?
> > >
> > > Tomarrow I'll be tuning another upright that was never pulled up to A440
> > > pitch.  It was built in 1936 and hasn't been tuned for about 5 years.
> > > There is some rust on the pins and strings, but I've seen and tuned worse.
> > > Do you folks think I should lubricate the bridge and pressure bar of this
> > > piano?
> > >
> > > -Fritz William Herrick, piano technician
> > > Greenville ME, Montreal PQ.
> > >
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