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Klarinet Archive - Posting 000083.txt from 2000/07

From: Richard Bush <rbushidioglot@-----.com>
Subj: Re: [kl] extra keys & fingering question
Date: Mon, 3 Jul 2000 11:50:31 -0400

Several factors effect the "feel" or perceived speed of the side keys which are
sprung with flat or leaf springs. They are:
1) The position of the leaf spring on the underside of the key relative to the
fulcrum and the point of purchase (pivoting point and the touch part where the
key is touched by the finger).
2) The material of the leaf spring (blued steel, bronze phosphor, gold alloy,
etc.)
3) The dimensions of the spring, its thickness, width and length.
4) The shape or bend of the spring.
5) The bearing points of both the spring end where it makes contact with the
instrument body and the trough or slotted guide along which it slides.
6) The possible addition of lubrication or grease to decrease friction at the
bearing point.
7) The freedom or precision of the pivot point or fulcrum of the key (does it
bind, or hinge freely? Is it free without being sloppy in its fit over the rod
screw and, laterally, between the key posts?)

A qualified repairman can change many of the above to alter the pressure required
to operate the key and affect a speed change.

Roger Shilcock wrote:

> The springs on these keys are of different types and lengths - I found the
> side key to be slow, too.
> Roger S
>
> On Mon, 3 Jul 2000, Patricia Smith wrote:
>
> > Date: Mon, 3 Jul 2000 11:42:52 -0400
> > From: Patricia Smith <pattiesmith@-----.net>
> > Reply-To: klarinet@-----.org
> > To: klarinet@-----.org
> > Subject: Re: [kl] extra keys & fingering question
> >
> > This "forked" fingering was the first fingering I ever learned for Eb/Bb. I
> > feel that perhaps it should be taught first. For me, at least, it is
> > faster and keeps the fingers in line better; it does not allow for the
> > student to change the overall position of the hand while playing. As a
> > teacher of beginners, I do my best to correct all sorts of dreadful
> > contortions on a daily basis. I know the side fingering felt slow when I
> > first used it (I can actually remember back that long ago!).
> >
> > Patty Smith
> >
> >
> >
> >
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> >
> >
>
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