reverse engineering Baldwins Wurlitzers back replete

[pianoman]

Hello Roger,
Its' morning now and I'm better.

James Grebe
R.P.T. of the P.T.G.
 Since 1962 in St. Louis, MO
Home of Handsome Hardwood Caster Cups
pianoman@inlink.com        

----------
> From: Roger Jolly <baldyam@sk.sympatico.ca>
> To: pianotech@ptg.org
> Subject: Re: reverse engineering Baldwins Wurlitzers back
> Date: Thursday, August 20, 1998 1:42 AM
> 
> Hi James,
>          No it is not quite an exact copy, but close enough, different
> foudry, very slightly different dimensions, different jigs to cut boards
> and bridges ect. Heck the piano business is not quite that precise.
>  And no I dont think your crabby.
> Regards Roger
> 
> 
> At 09:53 PM 19/08/98 -0500, you wrote:
> >Hello,
> >So again, did they disassemble and measure all the parts or did they
take
> >the exact numbers for the design from Baldwin and go that way. 
> >	 I don't think you caught the gist of my first post.  It is something
> >like, Is a digital copy and EXACT duplicate of the original or not as
exact
> >as another widget made from the exact dimensions from the design.
> >Don't take me as crabby, I had a hard day and feel like arguing.  I'll
be
> >better tomorrow.
> >My CC's are the same but I have  changed their names for this list, but
not
> >my clients who read my brochures.
> >
> >James Grebe
> >R.P.T. of the P.T.G.
> > Since 1962 in St. Louis, MO
> >Home of Handsome Hardwood Caster Cups
> >pianoman@inlink.com        
> >
> >----------
> >> From: Roger Jolly <baldyam@sk.sympatico.ca>
> >> To: pianotech@ptg.org
> >> Subject: Re: reverse engineering Baldwins Wurlitzers
> >> Date: Wednesday, August 19, 1998 8:56 PM
> >> 
> >> Hi James, 
> >>           I see you have re-engineered your caster cups to make them
> >handsome.
> >> There is nothing wrong with going with a proven scale design that has
> >cost
> >> a company thousands to develop, why try to reinvent the wheel. Things
> >like
> >> plate patterns, and the associated stress analysis all takes valuable
> >time
> >> and money before production can get under way. Now comes the big
> >question,
> >> how do we make a piano that is less costly, and will not compete with
> >with
> >> the American built unit. A mahogany rim vs maple, a cheaper action, no
> >> acujust hitch pins, and so the list goes on. I have never heard techs
> >> complain about the scaling of these units, on the contary all
complains
> >> have been action and hammer related.
> >>   The point that I have made in previous post, is that if a great deal
of
> >> care is taken in regulating the action, timing the dampers, and
voicing
> >the
> >> hammers, you will end up with a better than satisfactory piano. I have
> >sold
> >> many C173's over the years to small town arts groups with limited
budgets
> >> that have been delighted with the performance. However I'm more than a
> >> little anal in how they leave my stores.
> >>   Reverse engineering is a common practice in many fields, for
instance
> >GM
> >> develops a 3.8 motor for a spacific car to begin with and will readapt
to
> >> fit a whole line of other models. This helps with the economy of
scale.
> >>   Another way to look at this is to realise that you have a proven
scale
> >> design at half the cost, my view has been to focus on the areas that
can
> >be
> >> improved to bring the product closer to the original.
> >> Hope this sheds some light.
> >> Roger
> >> 
> >> At 07:19 PM 19/08/98 -0500, you wrote:
> >> >Hello, 	I have always been under the impression that disassembling an
> >> >object to measure the parts carefully does not get you the original
> >design.
> >> > It only gets you one copy of that design which may or may not be a
good
> >> >example of the original object.  Agree- dis-agree?
> >> >James Grebe
> >> >R.P.T. of the P.T.G.
> >> > Since 1962 in St. Louis, MO
> >> >Home of Handsome Hardwood Caster Cups
> >> >pianoman@inlink.com        
> >> >
> >> Roger Jolly
> >> Baldwin Yamaha Piano Centre
> >> Saskatoon and Regina
> >> Saskatchewan, Canada.
> >> 306-665-0213
> >> Fax 652-0505
> >
> Roger Jolly
> Baldwin Yamaha Piano Centre
> Saskatoon and Regina
> Saskatchewan, Canada.
> 306-665-0213
> Fax 652-0505