Wapin Bridge

[Larry J. Messerly]

Why not just switch hammers back and forth.  There is not that much
difference in size and I have done it many times to try and isolate a
noise.

Larry Messerly

On Mon, 14 Feb 2000 21:24:01 -0500 "Brian Trout" <btrout@desupernet.net>
writes:
> I'm with you on this one, Ron.  In almost every discussion I've had 
> with
> another tech about the Wapin system, we've always come to the same 
> spot...
> true comparability.
> 
> I like your idea of alternating two unison 'sets' for a 
> demonstration that
> could give a true and real-time comparison.
> 
> The hammers could be a bit tricky.  How would it be to get a set of 
> Renner
> Blues or some such high end hammer and just stick 'em on, no voicing
> allowed.  Let the cards fall where they may.  Or maybe there's 
> another
> hammer that comes out of the box with more consistency?  Or maybe 
> there's a
> way to 'voice' a set of hammers for consistency on another piano, 
> pull them
> off and stick them on the 'demo'.  Maybe they wouldn't be voiced for 
> the
> 'demo', but they might be more even than just 'random' or 'out of 
> the box'.
> There's got to be a way to give a true comparison.
> 
> I know I'd like to see it!  The Wapin system may be a wonderful 
> thing.  I
> just need to see more than a graph on a piece of paper to convince 
> me.
> 
> Brian Trout
> Quarryville, PA
> btrout@desupernet.net
> 
> ----- Original Message -----
> From: Ron Nossaman <RNossaman@KSCABLE.com>
> To: <pianotech@ptg.org>
> Sent: Monday, February 14, 2000 2:21 PM
> Subject: Re: Wapin Bridge
> 
> 
> > >  Wapin bridge will necessarily stay in the
> > >realms of piano folklore.  Since a controlled experiment on a 
> single
> piano
> > >is impossible, the only recourse would be to statistical 
> experimentation.
> >
> > Well, maybe not. Two unisons, Wapinized, alternating with two 
> unisons,
> > repinned (etc.) as usual, should give you a fairly decent idea of 
> the
> > difference in any part of the scale within one piano. It seems to 
> me that,
> > if the difference was so dramatically and obviously wonderful, the 
> folks
> > licensing the process would have one made up like this and haul it 
> to
> every
> > seminar and convention there is to show it off. Then again, 
> there's the
> > hammer voicing, which can shade things in the direction the voicer 
> wishes,
> > so there probably isn't any realistic way to make a determination. 
> Oh
> well,
> > there's always magic varnish.
> >
> >
> >
> > Ron N
> >
>