[CAUT] [pianotech] Riblets

[Richard Murphy]

Hi All,
    The Steinway D has one of those "Bell" things in there.  Is there room
to install the turnbuckle unit?
Richard


On 2/26/10 2:27 PM, "Jeannie Grassi" <jcgrassi at earthlink.net> wrote:

> Thanks, Chris.
> This is helpful in visualizing.  I assumed Pianotek supplied good
> instructions, but I wanted to get a sense of what was involved.  Doesn't
> sound too complicated.
> 
> I assume this is to improve the treble area.  Would riblets help in the
> bass?  I have a Yamaha C6 that is weak in the bass and I can't seem to find
> any way to improve it significantly.
> 
> Any recommendations that don't involve replacing the soundboard?
> jeannie
> 
> -----Original Message-----
> From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of Chris
> Solliday
> Sent: Friday, February 26, 2010 12:15 PM
> To: caut at ptg.org
> Subject: Re: [CAUT] [pianotech] Riblets
> 
> Hi Jeannie,
> It is a turnbuckle that connects the rim to the belly rail. Fasten with 6 or
> 7 wood bolts, that are provided. I dry fit it by holding the thing in place
> and screwing the buckle out a bit so it will stay in place, mark the holes
> with a punch and remove the resonator then drill all my holes, use screw
> lube, I use beeswax. Tighten wood bolts with a socket wrench.  A little
> turning of the buckle and you're in.Tighten to just get it snug and then a
> little  more and listen, go in 1/16th turns and listen, it usually doesn't
> take much, and there is a point where going beyond diesn't do any mor
> improving. And there is the point that is way beyond. Do not over tighten as
> our friend from Ithaca can testify, you can tear out the belly rail if you
> try hard enough. Takes about 1/2 hour. Support is more evenly distributed
> along the belly rail. Projection, power and clarity are improved.
> They come with very detailed installation instructions.
> Chris
> ----- Original Message -----
> From: "Jeannie Grassi" <jcgrassi at earthlink.net>
> To: <caut at ptg.org>
> Sent: Friday, February 26, 2010 2:59 PM
> Subject: Re: [CAUT] [pianotech] Riblets
> 
> 
>> Hi Chris,
>> Can you please go into a bit more detail about installation of these.
>> Thanks,
>> jeannie
>> 
>> -----Original Message-----
>> From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of
> Chris
>> Solliday
>> Sent: Friday, February 26, 2010 11:49 AM
>> To: caut at ptg.org
>> Subject: Re: [CAUT] [pianotech] Riblets
>> 
>> The device is the Grijalva Treble Tone Resonator (Pianotek part # RH-4TRL)
>> and it would improve your problem, it might even do so amazingly, I just
>> wouldn't want to promise that much always, as results vary.
>> I have put over ten of these on and have always been satisfied, sometimes
> as
>> I said the results are truly superior. Soundboard Geritol.
>> Chris Solliday, RPT
>> ----- Original Message -----
>> From: "Ron Nossaman" <rnossaman at cox.net>
>> To: <pianotech at ptg.org>; <caut at ptg.org>
>> Sent: Friday, February 26, 2010 12:50 PM
>> Subject: Re: [CAUT] [pianotech] Riblets
>> 
>> 
>>> Andrew Anderson wrote:
>>>> The school whose Steinways I service would like to ameliorate the poor
>>>> balance between bass and treble in their D.  This D was a really weak
>>>> treble.  Voicing the hammers up makes for a harsh attack but doesn't
>>>> seem to address power.
>>>> 
>>>> Could someone who has utilized riblets on a S&S D comment on their
>>>> experience.
>>> 
>>> I haven't dried riblets on a D, but I know of a couple of
>>> instances where it was tried, and heard one of them first
>>> hand. The consensus was that it was somewhat less bad, but not
>>> really better. Still, it's worth a try for the price of making
>>> a couple. I think the belly rail, unsupported through the top
>>> half of the scale by other than the "little stick", offers
>>> more potential, however. Pianotek sells a turnbuckle adjusted
>>> brace that will likely help more than riblets.
>>> 
>>> Or if you'd like a more extensive modification...
>>> Ron N
>> 
>