Hi Not having a bar sitting here to play with, it's hard to tell how the bar is mounted. If it's mounted by the points on the disks, then they must be non-moving nodal points. If that's what they are, I'm a bit surprised that the bar has nodes at the ends.
Bob On Jan 23, 2013, at 6:57 PM, Fabio Eboli <fabi...@quipo.it> wrote: > Il 2013-01-23 13:39 Bob Camp ha scritto: > >> the mode that the bar is resonating in, it's a bit hard to guess where >> the nodes will be. Just looking at the bar, you wouldn't *guess* that >> the end points would be nodes... >> >> Bob > > Sorry Bob I didnt understand last part. > You say that the end faces are nodes that move very little? > Or that it's hard to tell the way they move? > I asked that because reading the patent, I understand > that the plates are trimmed to stay near the rod and > not touching it, to give costant air reflection behaviour. > And talks about supersonic movement of the air, so I > was wondering why that was only a problem on end faces > and not on other "long" faces of the rod. > > Thanks, > Fabio. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.