I saw a picture with what seems to be an oscilloscope on the F3C Japanese Nationals. Who knows what this is about? Are they using electronics for judging?
I believe it is used to measure the dB of the sound level coming from the heli.
There is a rule in F3C that says the competing heli should not emit more than a certain dB level of sound when in flight.
10-24-2003 Over year old.
w.pasman Elite Veteran Location: Netherlands
No don't think so. The sound level is measured with a small device fitting in the hand showing the number
But rather work intensive to have two persons full time watching the analyser!
