[TheForge] Re: triangle bells/rebar

[Mike Linn]

The nodal points are actually 22.42 % from either end



At 09:01 AM 9/17/2004, you wrote:
>Yeah uh, ok,  but since the length of tube for a chime has to be some 
>integral component of the wave , where are you sugesting to make the 
>attachment ( as a fraction of the length)
>
>Maybe I am missing it and you have told us that, and I am just too dense 
>this morning?
>
>
>Charles
>
>
>Bill Alleman wrote:
>
>>Larry and Pat Brown wrote on 9/17/2004, 5:04 AM:
>>
>> > If I remember correctly from making some wind chimes the attachment
>> > point is about 1/4 down the tube
>>
>>A half-wave, like a jumprope, doesn't get you any useable nodes. One full 
>>wave (an octave) would be end to end, with a node at the center. Then 1.5 
>>waves (like a triangle) divides in thirds. The next harmonic, 2 full 
>>waves, would have nodes at the 1/4s and 1/2. Etcetera. The length, from 
>>attachment point to ends, should be an integral number of half-waves, and 
>>I believe that the lower the harmonic of choice, the better the effect. 
>>Like the guitar technique Yes used in Roundabout...
>>
>
>
>            Mike Linn
>      Artist Blacksmith
>          McCalla, AL
>        AFC Webmaster
>http://afc.abana-chapter.com
>
>
>"Don't worry Chief, I can stand the torture if they can stand the screaming."
>                                              - Maxwell Smart, Secret Agent 86
>
>
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