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From: Douglas Tate
Date: Mon, 2 Sep 1996 10:23:07 +0100
Subject: Whoops Renaissance

Now there's a thing!, can't even spell the name of our baby. That is the
problem of having an 'insert word button' on a word processor. Man can make
mistakes but it takes the combination of computer AND man to really screw
things up.

Vern suggests changing design ie using a Farrell plastic body with other
bits of Renaissance to reduce cost of product.

We have not yet released details of how this harmonica works. It is not
conventional, although, for ease of use, it uses standard reed plates. The
result of the unconventional and unique approach is that the design is an
integrated whole. The new approach is to give the instrument enhanced music
production and player usage qualities. There is not one place where a
conventional component could be used as an integrated part of the design.
(Look at the 'Silver Concerto' which uses standard slider pieces from the
270 ... on a 4,500 POUND instrument ... it spoils a nice, but very expensive
concept.)

Before Bobbie and I teamed up to work on the design I was looking at using
alternative materials and techniques. The actual new idea for the comb was
finished but then it came to the nitty gritty of how to put the idea into
practical and easily manufactured form. It was at about this stage that I
asked Bobbie if she would consider doing some detail design work for me (she
ended up doing major design work with me throughout the instrument) The
reason I chose stainless steel as the comb and slider material was because I
wanted strength, dimensional stability and resistance to bending in the
slide, and I have had good experience with the material for the body.
Interestingly, after the comb had rested for a few days after machining I
had to re grind the surfaces because of stress relief movement of some of
the surfaces. Last week we were discussing the use of materials like
foamed stainless for lightness etc, but this is for the future.

The brass for covers is again a decision based on a liking for brass in
historic instrument covers. I have not got the facilities to deal readily
with Stainless steel covers.. in any case, these will be deep silver plated
and I have good experience with this combination. The mouthpiece I wanted
in stainless and I still do, but it is horrendously expensive to machine
(even the brass one built for the prototype cost $250 as a one off)
tolerances are tight =85 but it works. I think that the final model will
have a brass, silver plated unit. If many are to be made this could be a
machined casting, but unless someone can tell me different (please)
machining from scratch seems the best way (with computer control). Problem
here is retaining an absolutely flat slide bed to within 0.0005 inches,
can't cast that accurately easily. Any advice on this would be gratefully
taken on board.

No, the whole thing is a complete concept , designed to a purpose and a
quality level. It may be that there will, in the future, be a spin-off in a
cheaper instrument to the same design, but it would require much capital.

Here's a thought for you. How much does a family saloon cost? How much
does a racing car cost??
What happens to the ideas formulated in a racing car?? They eventually
filter into the family car in slightly altered form. Same with exclusive
clothing design.

If you want the best you have to pay for the time and effort that goes into
a unique artefact.

As a player I can only say that at present this is the best instrument I
have played, even though it hasn't got proper reed plates in it. (He would
say that wouldn't he!!!)

Sorry to be so heavy!!

Douglas T