[sdiy] oscillating a plate

[R. Drake]

cris,

try doing a search on tuning violin plates or chladni patterns... find pages
like http://www.phys.unsw.edu.au/~jw/chladni.html...

that seems like a pretty small plate--what are the width & thickness
dimensions? 

lbd



on 4/1/03 3:04 AM, cris at music-service.nl at cris at music-service.nl wrote:

> Hi all,
> i don't think this is the best forum for this question, but i have to try...
> i have a 1,52m long metal plate and i want to bring this plate in
> selfoscillation with sound, this sounds crasy but some people do
> things like that....
> I hang this plate vertically and i put a frequency of 60 Hz in the front
> nothing happened. I think you need 1/4 of the wavelengt in frequency
> to make this plate to oscillate, but nothing happened, only my ears
> and my speakers are almost damaged.....
> If somebody knows something about this, just some links or
> something like that, please please help me, because i get more and
> more frustrate with this problem....
> thanks in advance
> cris