[pianotech] Q & A Roundtable (metronomes)

Mr. Mac's tune-repair at allegiance.tv
Sun Jan 30 15:33:16 MST 2011


Tks, Ron.

Keith

On Jan 30, 2011, at 2:44 PM, Ron Nossaman wrote:

> On 1/30/2011 12:34 PM, Mr. Mac's wrote:
> 
>> Finally got that video to show without doing anything extra.
>> It was fascinating to watch, but I don't get what actually happened or why.
>> 
>> Moving the platform of the metronomes onto the aluminum cans didn't help me at all either.
>> 
>> Any simple offering to help one in need to know what actually happened here?
> 
> On the table, the base was solidly anchored, and all metronomes beat at their own cycle and phase. On the beer cans (must have been), the base was free to move, and as it did, each metronome had an effect on the movement of the base. Those close enough to the same period fell into phase as a result, where the two on the left didn't because they were two far off period, one too fast, one too slow, so they beat against the others.
> 
> That's it.
> Ron N



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