[pianotech] Guess which pin...

[Ryan Sowers]

I've also heard that methanol works a little better. But not only is it
harder to get, it is much more toxic. So I stick with the friendlier
chemical.

Ryan

On Sun, Jul 31, 2011 at 10:15 AM, Tom Gorley <tomgorley88 at sonic.net> wrote:

> On trips to the Wurlitzer and Baldwin factories in the 70's, Baldwin said
> use 50/50 and Wurlitzer said 2 to 1 in favor of alcohol.  Both said to use
> methanol and not denatured alcohol.  I never knew why. Your success with
> denatured seems to make that advice moot, especially with methanol being a
> little harder to obtain.
>
> ---Tom Gorley
>
>
>
> On Jul 31, 2011, at 8:43 AM, Ryan Sowers wrote:
>
> I've tried various ratios. I'm not completely convinced that it makes a lot
> of difference. Personally I use 50/50 denatured alcohol and water. I think
> air drying works than artificially drying it with a heat gun or hair drier.
> It gives the parts more time to swell. For this to be most effective, the
> parts should really seize up at first.
>
> That being said, heat does seem to be effective as well in some cases. But
> I would try that after the initial treatment has thoroughly dried.
>
> This type of treatment is somewhat hit or miss. It's not very controllable.
> Sometimes it doesn't work as well as you would like, other times it works
> all too well! But, it can make a non-functioning piano playable again with
> very modest effort and damage to the clients checking account.
>
> Ryan
>
> On Sun, Jul 31, 2011 at 8:29 AM, David Weiss <davidweiss at embarqmail.com>wrote:
>
>> I'm curious as to preferred methods  for water/alcohol treatment.  What
>> ratio of water to alcohol, best method of application, and air drying versus
>> drying with a heat  source?****
>>
>> ** **
>>
>> David Weiss****
>>
>> ** **
>>
>> *From:* pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] *On
>> Behalf Of *Ryan Sowers
>> *Sent:* Sunday, July 31, 2011 11:24 AM
>> *To:* pianotech at ptg.org
>> *Subject:* Re: [pianotech] Guess which pin...****
>>
>> ** **
>>
>> I always go for the water/alcohol fix first, as well. A couple of
>> treatments may work better than one.
>>
>> Ryan****
>>
>> On Sun, Jul 31, 2011 at 6:50 AM, Ron Nossaman <rnossaman at cox.net> wrote:*
>> ***
>>
>> On 7/31/2011 7:25 AM, Tom Driscoll wrote:****
>>
>> Rob,
>> Many of he Baldwin acros of the 60's -70's have chronic tight centers .
>> My first test is to depress the left pedal , release quickly and watch
>> for slow hammer return. Jacks centers can also be tight .I use the age
>> old alc-water shrink-sizing method and it seems to provide a permanent
>> fix. Give it overnight and test. Some use a hair dryer to speed things
>> up but I'd rather see what the center will do on it's own. I then shoot
>> some protek figuring it can't hurt to slick the center up.
>> I realize that not every piano will respond ( I.E. center pin plating
>> problem on the Samicks) but with this Kimball I would give it a try.
>> It's easy ,cheap and will do no harm AND it might solve the problem.
>> Just my take,
>> Best wishes,****
>>
>> ** **
>>
>> I agree. Given the quality and worth of the piano, this is a sane
>> approach. Repinning the action is, I think, abusive to the owner if
>> shrinking will get you there. And replacing parts (the action) in nominals
>> like this is way way past cost prohibitive and far beyond sensible for any
>> of my customers. I must need dumber richer customers. <G>
>>
>> Ron N
>>
>> ****
>>
>>
>>
>>
>> --
>> Ryan Sowers, RPT
>> Puget Sound Chapter
>> Olympia, WA
>> www.pianova.net****
>>
>
>
>
> --
> Ryan Sowers, RPT
> Puget Sound Chapter
> Olympia, WA
> www.pianova.net
>
>
>


-- 
Ryan Sowers, RPT
Puget Sound Chapter
Olympia, WA
www.pianova.net
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