[pianotech] Nitrocellulose Lacquer: Stirred, Shaken, or Left Alone?

[Paul Milesi, RPT]

Thanks.  I will now more seriously consider doing the shoulders of the bass
and tenor.

Paul Milesi, RPT
Washington, DC
(202) 667-3136
E-mail:  paul at pmpiano.com
Website:  http://www.pmpiano.com



From: Al Guecia/Allied PianoCraft <alliedpianocraft at hotmail.com>
Reply-To: <pianotech at ptg.org>
Date: Mon, 31 Jan 2011 09:26:42 -0500
To: <pianotech at ptg.org>
Subject: Re: [pianotech] Nitrocellulose Lacquer: Stirred, Shaken, or Left
Alone?


Very likely on a "D", and often on other Steinways.

Al -
High Point, NC



On Jan 31, 2011, at 8:56 AM, Paul Milesi, RPT wrote:

> Thank you, Al.  I did do a second application last evening on the top two
> sections of this D, using more like 3 or 4:1.  Also, I did stir the gallon of
> lacquer this time just to be sure.  Your clarifications are much appreciated!
> Thank you.
> 
> How likely is it that ALL the hammers of a set (Steinway) would need juicing?
> I did do the middle section the first time because it  seemed a little weak,
> but left it out of the second application because I didn¹t want to overdo it.
> 
> Paul Milesi, RPT
> Washington, DC
> (202) 667-3136
> E-mail:  paul at pmpiano.com
> Website:  http://www.pmpiano.com <http://www.pmpiano.com/>
> 
> 
> 
> From: Al Guecia/Allied PianoCraft <alliedpianocraft at hotmail.com>
> Reply-To: <pianotech at ptg.org>
> Date: Mon, 31 Jan 2011 08:41:35 -0500
> To: <pianotech at ptg.org>
> Subject: Re: [pianotech] Nitrocellulose Lacquer: Stirred, Shaken, or Left
> Alone?
> 
> Paul,
> 
> First, it does settle and the lacquer must always be stirred before using.
> Secondly, you may need to do several applications to get the results you are
> looking for. Thirdly, sometimes you'll need a 4:1 mix on the last 6 or 7
> treble hammers.
> 
> Al -
> High Point, NC
> 
> 
> 
> On Jan 30, 2011, at 11:34 AM, Paul Milesi, RPT wrote:
> 
>> I purchased a gallon of ML Campbell clear nitrocellulose lacquer and their
>> thinner to use to build tone in Steinway hammers.  Since this lacquer is 25%
>> solids, per Steinway manual I used a ratio of roughly 8:1 thinner to
>> lacquer.  One application (hammers thoroughly soaked) did not build tone as
>> I thought it would.  What happened?  Also, wondering now if the solids
>> settle, and maybe I didn't stir or shake the lacquer before using--don't
>> remember now.  Does this matter?  Thanks for any ideas.  Still learning how
>> to do this.
>> 
>> Paul Milesi, RPT
>> Washington, DC
>> (202) 667-3136
>> E-mail:  paul at pmpiano.com
>> Website:  http://www.pmpiano.com <http://www.pmpiano.com/>
>> 
>> 
>> 
> 
> 



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