Followup on the bobbling hammers in Yamaha

Richard Brekne Richard.Brekne@grieg.uib.no
Thu, 16 Dec 2004 21:09:24 +0100


Avery Todd wrote:

> Scott,
>
> Without referring to a bunch of the replies to your post, if I 
> remember correctly, you mentioned decreasing hammer blow and taking up 
> the resulting lost motion. This will make the spoons lift sooner and 
> thereby bringing the tension of the damper springs into the equation, 
> making the touch feel heavier.
>
> You also mentioned about a "weird touch" and I believe some associated 
> that with the "bobbling hammer" thing in their response(s). Two 
> basically unrelated things, IMO.

Pehaps not so unrelated... overly tight dampersprings feel weird.... and 
can cause you to not bottom out well enough whilst playing... and can 
indeed contribute to a bobblings problem.

Personally, I dont run into this kind of thing too much.  Seems like 
manufactureres have understood that damper springs can actually be too tight

Cheers
RicB.

> Avery
>
> At 07:49 AM 12/16/04, you wrote:
>
>> Thanks everyone for your responses.
>>
>>   I can understand how an overly tight jack spring would make it 
>> difficult and slow for the jack to trip out--getting in the way of 
>> the hammer but--but what i don't get is how the dampers (springs or 
>> spoons) would figure in.  Can somebody spell this out for me?  Thanks 
>> again.
>>
>> Scott
>
>
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