Have you ever tried humming while watching a propeller?
The strobe effect is fascinating.

My flight instructor thought that I was crazy until he tried it.


Mike - AA8K


On 11/29/2010 09:51 AM, jimlux wrote:

if one has a voltmeter (or total power detector, like your ear), hearing
low frequency beats at sub-1Hz is easy.. (anyone who has tuned an
instrument by ear, or sat in a plane with poorly synchronized engines
will know this)


_______________________________________________
time-nuts mailing list -- [email protected]
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.

Reply via email to