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User Name Thread Name Subject Posted
diesel BS: Finding the Q spot (57* d) RE: BS: Finding the Q spot 27 Dec 04


Hi

My tuppence worth is that the Q in frequency is not the quality of the glass (as in Bev's and Jerry's above) but is the efficiency of the delivery of the frequency.

We see it (Q) being used to develop Rf systems in plasma and communications generation and how it applies to transmission of a frequency into a load such as an aerial for broadcast or a chamber for plasma generation etc. In practical terms the higher the Q value (through some maths that I don't understand) the more efficient the delivery of the frequency.

If the frequency you were playing was poor or varied, the build up of harmonics in the glass would have been inhibited or at best - varied, but as the delivery was more efficient, the harmonics developed were sustained long enough to shatter the glass by basically vibrating it to bit's.
A note - if the glass was cracked it may have been more difficult to shatter due to the crack interferring with the resonations.


Diesel


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