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As a horologist I distrust anything said about Q because, like Alan H, I am not convinced your application of it to clock pendulums is legitimate. Especially if you're talking about resonance in electrical circuits.
You give a pendulum an impulse.
It swings to the other side.
It's energy is reduced by resistance to it's motion.
The weight of the bob in gravity doesn't matter.
I do not believe anyone has shown a resonance response to clock pendulums. This is exactly the area Alan H is working in and he certainly doesn't believe it.
I still believe this is unproven, undemonstrated, and false:
On 2011, Feb 15, , at 17:30, brian whatcott wrote:
Conclusion: if your experiment did not confirm that shedding bobweight
reduces Q and hence reduces steady state amplitude for constant
energy input,
you did not control enough factors :-)
Brian W
-Bryan