springs vs. lead

David C. Stanwood stanwood@tiac.net
Wed, 11 May 2005 07:19:12 -0400


>
>We all come across noise from springs in pedals.   Why couldn't we 
>eliminate the spring and use key leads inserted into, for instance the 
>damper lifter tray, pedal levers...places where springs are used to return 
>parts...?
>
>David Ilvedson


>Just a guess here David, but I would think you would have to use an awful
>lot of lead to get the return rate that you get with springs.  Springs allow
>for a graduated resistance, increasing as the pedal is depressed further.
>Weighting might also allow the upper assy. (e.g. tray) to loose contact with
>the trapwork levers, causing some knocking noise.  Speculation here.  Maybe
>not............
>
>Respectfully,
>William R. Monroe

How about coupled pairs of opposing and attracting strong magnets?
You'd have force without contact and no mass.

D Stanwood 


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